- peelae, Cypraeovula connelli peelae F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- peelae, Cystiscus peelae M. Lussi & G. Smith, 1998 - (CYSTISCIDAE)
- peelae, Marginella peelae L. Bozzetti, 1993 - (MARGINELLIDAE)
- peelae, Phenacolepas peelae J.M.J. Christiaens, 1989 - (PHENACOLEPADIDAE)
- peelae, Comitas peelae L. Bozzetti, 1993 - (PSEUDOMELATOMIDAE)
- peelae beltmani, Marginella peelae beltmani M.R. Hart, 1993 - (MARGINELLIDAE)
- peelensis, Astarte omalii peelensis G. Spaink, 1968 † - (ASTARTIDAE) (FOSSIL)
- Peelerophon, Genus Peelerophon Yochelson, 1982 (TROPIDODISCIDAE) (FOSSIL)
- peeli, Tritonophon peeli Horný, 1997 † - (PLECTONOTIDAE) (FOSSIL)
- peeli, Hispanosinuites peeli Fryda & Gutiérrez-Marco, 1996 † - (SINUITIDAE) (FOSSIL)
- peeli, Kosovina peeli Horný, 2004 † - (TRYBLIDIIDAE) (FOSSIL)
- peelii, Drymaeus peelii L.A. Reeve, 1859 - (BULIMULIDAE)
- Peelipilina, Genus Peelipilina Hornύ , 2006 (TRYBLIDIIDAE) (FOSSIL)
- Peelophorus, Genus Peelophorus Blodgett & al., 2003 (PSEUDOPHORIDAE) (FOSSIL)
- peetersae, Neolepton peetersae J. van der Linden, 2003 - (NEOLEPTONIDAE)
- peetersae, Isotriphora peetersae (R.G. Moolenbeek & M.J. Faber, 1989) - (TRIPHORIDAE)
- peethensis, Arca peethensis d'Archaic, 1850 † - (ARCIDAE) (FOSSIL)
- pegasus, Costallodiscus pegasus B.A. Marshall & G.M. Barker, 2008 - (CHAROPIDAE)
- pegasus, Phidiana pegasus R.C. Willan, 1987 - (FACELINIDAE)
- Pegea, Subgenus Ferussacia (Pegea) A. Risso, 1826 (FERUSSACIIDAE)
- peggyae, Boucardicus peggyae K.C. Emberton, 2010 - (CYCLOPHORIDAE)
- peggyae, Utterbackiana peggyae R.I. Johnson, 1965 - (UNIONIDAE)
- peggywilliamsae, Syntomodrillia peggywilliamsae P.J. Fallon, 2016 - (DRILLIIDAE)
- peggywilliamsae, Miraclathurella peggywilliamsae P.J. Fallon, 2010 - (PSEUDOMELATOMIDAE)
- Pegias, Genus Pegias C.T. Simpson, 1900 (UNIONIDAE)
- Pegma, Subgenus Pycnodonte (Pegma) Squires & Demetrion, 1990 (GRYPHAEIDAE) (FOSSIL)
- pegma, Linopyrga pegma C.F. Laseron, 1951 - (PYRAMIDELLIDAE)
- Pegmapex, syn of: Subgenus Diplodonta (Phlyctiderma) W.H. Dall, 1899 (UNGULINIDAE)
- Pegmavalvula, Genus Pegmavalvula Newell & Boyd, 1970 (PSEUDOMONOTIDAE) (FOSSIL)
- pegmihumerosa, Naticopsis pegmihumerosa E.G. Linsley, 1968 † - (DELPHINULOPSIDAE) (FOSSIL)
- Pegocomptus, syn of: Genus Sulcobuccinum D'Orbigny, 1850 (PSEUDOLIVIDAE) (FOSSIL)
- pegodonta, Axinopsida pegodonta J.D. Stilwell & Zinsmeister, 1992 † - (THYASIRIDAE) (FOSSIL)
- Pegophysema, Genus Pegophysema C.C. Stewart, 1930 (LUCINIDAE)
- pegorarii, Clausilia pegorarii C. Pollonera, 1885 - syn of: Clausilia rugosa parvula A.E.J. Férussac, 1807 - (CLAUSILIIDAE)
- pegorarii, Eucobresia pegorarii (C. Pollonera, 1884) - (VITRINIDAE)
- peguensis, Clithon peguensis G.F. Angas, 1877 - (NERITIDAE)
- peguensis, Melania peguensis S.C.T. Hanley & W. Theobald, 1876 - syn of: Brotia costula (C.S. Rafinesque, 1833) - (THIARIDAE)
- peguensis, Unio peguensis J.G. Anthony, 1865 - syn of: Trapezoideus exolescens (A.A. Gould, 1843) - (UNIONIDAE)
- pehuenmapuensis, Steinmanella pehuenmapuensis H.A. Leanza, 1998 † - (MYOPHORELLIDAE) (FOSSIL)
- pehuensis, Edithais pehuensis (J. Marwick, 1926 †) - (MURICIDAE) (FOSSIL)
- peilei, Seilopsis peilei (E.A. Smith, 1910) - (CERITHIOPSIDAE)
- peilei, Macrocypraea cervus peilei (F.A. Schilder, 1932 ) - (CYPRAEIDAE)
- peilei, Amphilepida peilei (J.R. le B. Tomlin, 1921) - (GALEOMMATIDAE)
- peilei, Turbonilla peilei W.H. Dall & P. Bartsch, 1911 - (PYRAMIDELLIDAE)
- peilei, Scissurella peilei R. Winckworth - (SCISSURELLIDAE)
- peilei, Geomelania peilei A. Dean, 1933 - syn of: Geomelania magna C.B. Adams, 1850 - (TRUNCATELLIDAE)
- Peilinia, Genus Peilinia Kues, 1997 (OSTREIDAE) (FOSSIL)
- peimbertae, Volvarina peimbertae J.A. Ortea, 2014 - (MARGINELLIDAE)
- peipsi, Pisidium peipsi (V.J. Timm, 1976) - (SPHAERIIDAE)
- peipsi, Euglesa peipsi V.J. Timm, 1976 - syn of: Pisidium peipsi (V.J. Timm, 1976) - (SPHAERIIDAE)
- peiranoi, Heleobia peiranoi (W.K. Weyrauch, 1963) - (COCHLIOPIDAE)
- Peirescites, Genus Peirescites Bert, Delanoy & Bersac, 2006 (HEMIHOPLITIDAE) (FOSSIL)
- Peiricola, Genus Peiricola Turton, 1822 (TELLINIDAE) (FOSSIL)
- peiropolensis, Florenceia peiropolensis Mezzalira, 1974 † - (HYRIIDAE) (FOSSIL)
- Peismoceras, Genus Peismoceras Hyatt, 1894 (LECHRITROCHOCERATIDAE) (FOSSIL)
- peitaihoensis, Anadara peitaihoensis A.W. Grabau & S.G. King, 1928 - syn of: Anadara gubernaculum (L.A. Reeve, 1844) - (ARCIDAE)
- peitaihoensis, Arca peitaihoensis A.W. Grabau & S.G. King, 1928 - syn of: Anadara gubernaculum (L.A. Reeve, 1844) - (ARCIDAE)
- peitaihoensis, Dentalium peitaihoensis L.C. King & W.X. Ping, 1935 - (DENTALIIDAE)
- peitaihoensis, Lottia peitaihoensis (A.W. Grabau & King, 1928) - (LOTTIIDAE)
- peitoutzense, Cycloceras peitoutzense A.W. Grabau † - (BALTOCERATIDAE) (FOSSIL)
- pejerreyensis, Ostrea pejerreyensis Rivera, 1957 † - (OSTREIDAE) (FOSSIL)
- pekanensis, Satsuma pekanensis H. Rolle, 1908 - (CAMAENIDAE)
- pekanensis insularis, Satsuma pekanensis insularis J.T. Kuroda & T. Kano, 1941 - (CAMAENIDAE)
- pekanensis mosieri, Satsuma pekanensis mosieri H. Rolle, 1911 - (CAMAENIDAE)
- pekinensis, Cathaica pekinensis (G.P. Deshayes, 1870) - (BRADYBAENIDAE)
- Pelacanus, syn of: Genus Aporrhais A. da Costa, 1778 (APORRHAIDAE)
- pelaezi, Vexillum pelaezi G.T. Poppe, S.P. Tagaro & R. Salisbury, 2009 - (COSTELLARIIDAE)
- Pelagella, syn of: Genus Goniodoris E. Forbes & J. Goodsir, 1839 (GONIODORIDIDAE)
- pelagi, Harpagodes pelagi (A. Brongniart, 1821 †) - (HARPAGODIDAE) (FOSSIL)
- pelagi, Lambis pelagi A. Brongniart, 1821 † - syn of: Harpagodes pelagi (A. Brongniart, 1821 †) - (STROMBIDAE) (FOSSIL)
- pelagia, Mangelia pelagia W.H. Dall, 1881 - syn of: Leucosyrinx pelagia (W.H. Dall, 1881) - (MANGELIIDAE)
- pelagia, Leucosyrinx pelagia (W.H. Dall, 1881) - (PSEUDOMELATOMIDAE)
- pelagia, Skenea pelagia I. Nofroni & Valenti, 1987 - (SKENEIDAE)
- pelagia, Pleurotoma pelagia W.H. Dall, 1881 - syn of: Leucosyrinx pelagia (W.H. Dall, 1881) - (TURRIDAE)
- pelagica, Buccinum undatum pelagica P.P. King, 1846 - (BUCCINIDAE)
- pelagica, Gaimardia pelagica E. Forbes in S. Woodward, 1854 - syn of: Adipicola pelagica (E. Forbes in S. Woodward, 1854) - (GAIMARDIIDAE)
- pelagica, Gastrochaena pelagica A. Risso, 1826 - syn of: Rocellaria dubia (T. Pennant, 1777) - (GASTROCHAENIDAE)
- pelagica, Lima pelagica Morton, 1833 † - (LIMIDAE) (FOSSIL)
- pelagica, Limopsis pelagica E.A. Smith, 1885 - syn of: Limopsis tenella J.G. Jeffreys, 1876 - (LIMOPSIDAE)
- pelagica, Adipicola pelagica (E. Forbes in S. Woodward, 1854) - (MYTILIDAE)
- pelagica, Modiolus pelagica S. Woodward, 1854 - syn of: Adipicola pelagica (E. Forbes in S. Woodward, 1854) - (MYTILIDAE)
- pelagica, Hyaloteuthis pelagica (L.A.G. d'A. Bosc, 1802) - (OMMASTREPHIDAE)
- pelagica, Phylliroe pelagica H. Adams & A. Adams, 1858 - syn of: Phylliroe lichtensteinii J.F. von Eschscholtz, 1825 - (PHYLLIROIDAE)
- pelagica, Frigidoalvania pelagica (W. Stimpson, 1851) - (RISSOIDAE)
- pelagica, Scyllaea pelagica C. Linnaeus, 1758 - (SCYLLAEIDAE)
- pelagica, Skenea pelagica I. Nofroni & Valenti, 1987 - syn of: Skenea pelagia I. Nofroni & Valenti, 1987 - (SKENEIDAE)
- pelagica, Straparollina pelagica Billings, 1865 † - (STRAPAROLLINIDAE) (FOSSIL)
- pelagica, Tonna pelagica E. Forbes, 1852 - syn of: Tonna perdix (C. Linnaeus, 1758) - (TONNIDAE)
- pelagica, Turritella pelagica A. Risso, 1826 - (TURRITELLIDAE)
- pelagica, Azorivitrina pelagica (P.M.A. Morelet, 1860) - (VITRINIDAE)
- pelagica dalli, Limopsis pelagica dalli É. Lamy, 1912 - syn of: Limopsis dalli É. Lamy, 1912 - (LIMOPSIDAE)
- pelagica marginata, Scyllaea pelagica marginata L.S.R. Bergh, 1871 - syn of: Scyllaea pelagica C. Linnaeus, 1758 - (SCYLLAEIDAE)
- pelagica woolseyi, Lima pelagica woolseyi L.W. Stephenson, 1941 - (LIMIDAE)
- pelagicum, Stacheoceras pelagicum C. Gemmellaro, 1887 † - (NEOSTACHEOCERATIDAE) (FOSSIL)
- pelagicus, Amphitretus pelagicus W.E. Hoyle, 1885 - (AMPHITRETIDAE)
- pelagicus, Conus pelagicus G.B. Brocchi, 1814 † - (CONIDAE) (FOSSIL)
- pelagicus, Palaeoctopus pelagicus A. Fuchs & al., 2008 † - (PALAEOCTOPODIDAE) (FOSSIL)
- pelagicus inflatus, Conus pelagicus inflatus Erunal-Erentoz, 1958 † - (CONIDAE) (FOSSIL)
- pelagicus karamanensis, Conus pelagicus karamanensis ErünalErentöz, 1958 † - (CONIDAE) (FOSSIL)
- pelagicus thielei, Amphitretus pelagicus thielei C.W. Robson, 1930 - syn of: Amphitretus thielei C.W. Robson, 1930 - (AMPHITRETIDAE)
- Pelagiella, Genus Pelagiella Matthew, 1895 (PELAGIELLIDAE) (FOSSIL)
- PELAGIELLIDAE Knight, 1956 - Family (HELCIONELLOIDA-ARCHAEOBRANCHIA-PELAGIELLIFORMES) (FOSSIL)
- Pelagoceras, Genus Pelagoceras Zhuravleva, 1972 (DISCOSORIDA (unassigned)) (FOSSIL)
- pelagonesica, Helix pelagonesica (H. Rolle, 1898) - (HELICIDAE)
- pelagosana, Siciliaria gibbula pelagosana (O. Böttger, 1877) - (CLAUSILIIDAE)
- pelagosana, Chondrula quinquedentata pelagosana (R. Sturany, 1901) - (ENIDAE)
- pelagosana, Eobania pelagosana C.A. Westerlund - syn of: Eobania vermiculata (O.F. Müller, 1774) - (HELICIDAE)
- pelamidae, Polyschides pelamidae S.D. Chistikov, 1979 - (GADILIDAE)
- pelamide, Polyschides pelamide S.D. Chistikov, 1979 - syn of: Polyschides pelamidae S.D. Chistikov, 1979 - (GADILIDAE)
- pelantaroi, Miomelon pelantaroi C. Nielsen & D. Frassinetti, 2007 † - (VOLUTIDAE) (FOSSIL)
- Pelasga, Genus Pelasga P. Hesse, 1908 (HELICIDAE)
- Pelatrinia, Subgenus Leptinaria (Pelatrinia) H.A. Pilsbry, 1907 (SUBULINIDAE)
- pele, Bornella pele M. Pola, W.B. Rudman & T.M. Gosliner, 2009 - (BORNELLIDAE)
- pele, Mitra pele W.O. Cernohorsky, 1970 - (MITRIDAE)
- pele, Homalocantha pele (H.A. Pilsbry, 1918) - (MURICIDAE)
- pele, Homalocantha pele H.A. Pilsbry, 1918 - syn of: Homalocantha pele (H.A. Pilsbry, 1918) - (MURICIDAE)
- peleae, Iniforis peleae (F. Baker & V.D.P. Spicer, 1935) - (TRIPHORIDAE)
- peleana, Asolene peleana R.A. Philippi, 1851 - syn of: Asolene crassa (W.J. Swainson, 1823) - (AMPULLARIIDAE)
- pelecais, Acteon pelecais Ev. Marcus, 1972 - (ACTEONIDAE)
- pelecanipes, Aporrhais pelecanipes É.A.A. Locard, 1892 - syn of: Aporrhais pespelicani (C. Linnaeus, 1758) - (APORRHAIDAE)
- pelecetus, Trophon pelecetus W.H. Dall, 1902 - syn of: Fuegotrophon pallidus (W.J. Broderip, 1833) - (MURICIDAE)
- pelechystoma, Papuina pelechystoma (C.M. Tapparone-Canefri, 1883) - (CAMAENIDAE)
- pelecinus, Mytilus galloprovincialis pelecinus É.A.A. Locard, 1889 - (MYTILIDAE)
- Pelecocheilus, syn of: Genus Plekocheilus L. Guilding, 1827 (AMPHIBULIMIDAE)
- Pelecodiscus, syn of: Genus Eulophoceras Hyatt , 1903 (SPHENODISCIDAE) (FOSSIL)
- pelecostata, Cochlodinella pelecostata C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- Pelecostoma, syn of: Genus Naesiotus J.A. Albers, 1850 (BULIMULIDAE)
- Pelecydion, syn of: Genus Pelycidion P. Fischer, 1873 (PELYCIDIIDAE)
- Pelecydium, syn of: Genus Pelycidion P. Fischer, 1873 (PELYCIDIIDAE)
- Pelecyogyra, Genus Pelecyogyra Ebbestad & Lefebvre, 2015 (ONYCHOCHILIDAE) (FOSSIL)
- Pelecyora, Genus Pelecyora W.H. Dall, 1902 (VENERIDAE)
- pelecyphora, Latiala pelecyphora (Kaunhowen, 1897 †) - (APORRHAIDAE) (FOSSIL)
- pelecystoma, Gyraulus pelecystoma D.S. Brown, 1975 - (PLANORBIDAE)
- peledi, Chicoreus peledi E.H. Vokes, 1978 - (MURICIDAE)
- peleei, Columbella peleei L.C. Kiener, 1841 - syn of: Columbella mercatoria (C. Linnaeus, 1758) - (COLUMBELLIDAE)
- peleia, Meekia peleia Saul & W.P. Popenoe, 1962 † - (TANCREDIIDAE) (FOSSIL)
- Pelekocheilus, syn of: Genus Plekocheilus L. Guilding, 1827 (AMPHIBULIMIDAE)
- Pelekodites, syn of: Genus Witchellia Imlay, 1964 (HAMMATOCERATIDAE) (FOSSIL)
- pelekus, Witchellia pelekus (Buckman 1923 †) - (HAMMATOCERATIDAE) (FOSSIL)
- Peleliua, Subgenus Videna (Peleliua) F.C. Baker, 1941 (TROCHOMORPHIDAE)
- pelengeense, Parennea pelengeense (W. Adam & J.L. Van Goethem, 1978) - (STREPTAXIDAE)
- pelepili, Favartia pelepili D'Attilio & H.W. Bertsch, 1980 - (MURICIDAE)
- pelerei, Belgrandiella pelerei M. Haase, 1994 - (HYDROBIIDAE)
- peleum, Gennaeosinum peleum (T. Iredale, 1929) - (NATICIDAE)
- peleum, Sigatica peleum T. Iredale, 1929 - syn of: Gennaeosinum peleum (T. Iredale, 1929) - (NATICIDAE)
- peleum, Eunaticina peleum T. Iredale, 1929 - syn of: Gennaeosinum peleum (T. Iredale, 1929) - (NATICIDAE)
- pelewana, Aaadonta pelewana G.A. Solem, 1976 - (ENDODONTIDAE)
- pelewensis, Hungerfordia pelewensis R.H. Beddome, 1889 - (DIPLOMMATINIDAE)
- pelewensis, Pleuropoma pelewensis (E.R. Sykes, 1901) - (HELICINIDAE)
- pelex, Cranopsis pelex A. Adams, 1860 - (FISSURELLIDAE)
- Pelex, syn of: Genus Latia J.E. Gray, 1850 (LATIIDAE)
- pelex, Sportella pelex W.H. Dall, 1900 † - (SPORTELLIDAE) (FOSSIL)
- pelhamensis, Raphistoma pelhamensis Butts, 1926 † - (RAPHISTOMATIDAE) (FOSSIL)
- peli, Rhizoconus peli R.G. Moolenbeek, 1996 - (CONIDAE)
- peli, Alvania peli R.G. Moolenbeek & E. Rolán, 1988 - (RISSOIDAE)
- Pelia, syn of: Genus Guppya O.A.L. Mφrch, 1867 (EUCONULIDAE)
- pelia, Campylaea pelia P. Hesse, 1912 - (HELICIDAE)
- pelicanensis, Acanthochitona pelicanensis D.C. Mackay, 1929 - (ACANTHOCHITONIDAE)
- pelicanus, Acmaturris pelicanus E.F. Garcia, 2008 - (MANGELIIDAE)
- Pelicaria, Genus Pelicaria J.E. Gray, 1857 (STRUTHIOLARIIDAE)
- pelicatus, Nassarius pelicatus A. Adams, 1854 - syn of: Nassarius turbineus (A.A. Gould, 1845) - (NASSARIIDAE)
- pelidna, Erosaria pelidna J.C. Melvill, 1888 - syn of: Erosaria ocellata (C. Linnaeus, 1758) - (CYPRAEIDAE)
- pelidne, Imparietula pelidne H.E.J. Biggs, 1946 - (ENIDAE)
- peliferus, Costellipitar peliferus (R. von Cosel, 1995) - (VENERIDAE)
- Pelingoceras, syn of: Genus Gemmellaroceras Hyatt , 1900 (POLYMORPHITIDAE) (FOSSIL)
- peliomphala, Euhadra peliomphala (L. Pfeiffer, 1850) - (BRADYBAENIDAE)
- peliomphala brandti, Euhadra peliomphala brandti (W. Kobelt, 1875) - (BRADYBAENIDAE)
- peliomphala kunoensis, Euhadra peliomphala kunoensis J.T. Kuroda - (BRADYBAENIDAE)
- peliomphala nimbosa, Euhadra peliomphala nimbosa (J.C.H. Crosse, 1868) - (BRADYBAENIDAE)
- peliomphala simodae, Euhadra peliomphala simodae (J.C. Jay, 1857) - (BRADYBAENIDAE)
- peliostoma, Bloyetia peliostoma (E.C. Von Martens, 1882) - (UROCYCLIDAE)
- peliostomus, Bostryx peliostomus R.A. Philippi, 1867 - (BULIMULIDAE)
- pelisanserina, Narvaliscala pelisanserina E.F. Garcia, 2003 - (EPITONIIDAE)
- pella, Arca pella C. Linnaeus, 1767 - syn of: Nuculana pella (C. Linnaeus, 1767) - (ARCIDAE)
- Pella, syn of: Genus Trachycystis H.A. Pilsbry, 1892 (CHAROPIDAE)
- pella, Nuculana pella (C. Linnaeus, 1767) - (NUCULANIDAE)
- pella, Nuculana pella G.B. I Sowerby, 1833 - syn of: Nuculana confusa S.C.T. Hanley, 1860 - (NUCULANIDAE)
- Pellamora, Genus Pellamora T. Iredale, 1943 (IRAVADIIDAE)
- Pellasimnia, Genus Pellasimnia T. Iredale, 1931 (OVULIDAE)
- pellati, Bicorempterus pellati (L.É.S. Piette, 1867 †) - (APORRHAIDAE) (FOSSIL)
- pellati, Alaria pellati L.É.S. Piette, 1867 † - syn of: Bicorempterus pellati (L.É.S. Piette, 1867 †) - (APORRHAIDAE) (FOSSIL)
- pellati, Favria pellati (A.E.M. Cossmann, 1907 †) - (ITIERIIDAE) (FOSSIL)
- Pellax, syn of: Genus Eatoniella W.H. Dall, 1876 (EATONIELLIDAE)
- pellegrini, Eotibia pellegrini (A. De Gregorio, 1880 †) - (ROSTELLARIIDAE) (FOSSIL)
- pellegriusi, Eotibia pellegriusi A. De Gregorio, 1880 † - syn of: Eotibia pellegrini (A. De Gregorio, 1880 †) - (ROSTELLARIIDAE) (FOSSIL)
- pelletieri, Hollandites pelletieri (McLearn, 1969 †) - (BEYRICHITIDAE) (FOSSIL)
- pellicoi, Sanguinolites pellicoi Verneuil & Barrande, 1912 † - syn of: Coxiconchia britannica (M. Rouault, 1851 †) - (SANGUINOLITIDAE) (FOSSIL)
- Pellicula, Genus Pellicula P. Fischer, 1856 (AMPHIBULIMIDAE)
- pellicula, Raeta pellicula (L.A. Reeve, 1854) - (MACTRIDAE)
- pellicula, Mactra pellicula L.A. Reeve, 1854 - syn of: Raeta pellicula (L.A. Reeve, 1854) - (MACTRIDAE)
- pellicula, Hyalina pellicula H.C. Weinkauff, 1879 - syn of: Hyalina lucida (F.P. Marrat, 1877) - (MARGINELLIDAE)
- pellicula, Marginella pellicula H.C. Weinkauff, 1879 - syn of: Hyalina lucida (F.P. Marrat, 1877) - (MARGINELLIDAE)
- pelliculus, Lamyella pelliculus (G.P. Deshayes, 1857 †) - (TELLINIDAE) (FOSSIL)
- pelliformis, Nuculana pelliformis É.A.A. Locard, 1886 - syn of: Nuculana pella (C. Linnaeus, 1767) - (NUCULANIDAE)
- pellifroni, Costellaria pellifroni H. Turner & M.P. Marrow, 2001 - syn of: Vexillum turriger (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- Pellifronia, Genus Pellifronia Y. Terryn & M. Holford, 2008 (TEREBRIDAE)
- Pellilacunella, Subgenus Laevilacunaria (Pellilacunella) A. Powell, 1951 (LITTORINIDAE)
- Pellilitorina, Genus Pellilitorina G.J. Pfeffer, 1886 (LITTORINIDAE)
- Pellilittorina, syn of: Genus Pellilitorina G.J. Pfeffer, 1886 (LITTORINIDAE)
- pellis, Chama pellis L.A. Reeve, 1847 - syn of: Chama asperella J.B.P.A. Lamarck, 1819 - (CHAMIDAE)
- pellisanserina, Claviscala pellisanserina E.F. Garcia, 2003 - (EPITONIIDAE)
- pellisboae, Helix pellisboae L.H. Hupé, 1853 - (HELICIDAE)
- pellisboae, Solaropsis pellisboae L.H. Hupé, 1853 - (PLEURODONTIDAE)
- pelliscolubri, Epiphragmophora pelliscolubri (R.A. Philippi, 1867) - (EPIPHRAGMOPHORIDAE)
- pelliserpentis, Sypharochiton pelliserpentis (J.R.C. Quoy & J.P. Gaimard, 1835) - (CHITONIDAE)
- pelliserpentis, Cribrarula pelliserpentis F.Jr. Lorenz, 1999 - syn of: Cribrarula pellisserpentis F.Jr. Lorenz, 1999 - (CYPRAEIDAE)
- pelliserpentis, Tegula pelliserpentis W. Wood, 1828 - syn of: Tegula pellisserpentis (Wood, 1828) - (TEGULIDAE)
- pelliserpentis sinclairi, Sypharochiton pelliserpentis sinclairi (J.E. Gray, 1843) - syn of: Sypharochiton sinclairi (J.E. Gray, 1843) - (CHITONIDAE)
- pellishyaena, Conus pellishyaena L.W. Dillwyn, 1817 - syn of: Splinoconus biliosus (P.F. Röding, 1798) - (CONIDAE)
- pellislacerti, Hemicycla pellislacerti L.A. Reeve, 1852 - syn of: Hemicycla glasiana R.J. Shuttleworth, 1843 - (HELICIDAE)
- pellislacerti, Unio pellislacerti P.M.A. Morelet, 1865 - syn of: Scabies crispata (A.A. Gould, 1843) - (UNIONIDAE)
- pellisphocae, Chauvetia pellisphocae L.A. Reeve, 1845 - syn of: Chauvetia retifera (G.A. Brugnone, 1880) - (BUCCINIDAE)
- pellisphocae, Crassispira pellisphocae (L.A. Reeve, 1845) - (PSEUDOMELATOMIDAE)
- pellisphocae, Pleurotoma pellisphocae L.A. Reeve, 1845 - syn of: Crassispira pellisphocae (L.A. Reeve, 1845) - (TURRIDAE)
- pellisserpentis, Chiton pellisserpentis (J.R.C. Quoy & J.P. Gaimard, 1835) - syn of: Sypharochiton pelliserpentis (J.R.C. Quoy & J.P. Gaimard, 1835) - (CHITONIDAE)
- pellisserpentis, Scaevatula pellisserpentis S. Gofas, 1990 - (CLAVATULIDAE)
- pellisserpentis, Cribrarula pellisserpentis F.Jr. Lorenz, 1999 - (CYPRAEIDAE)
- pellisserpentis, Strigatella pellisserpentis L.A. Reeve, 1844 - (MITRIDAE)
- pellisserpentis, Nerita pellisserpentis L.A. Reeve, 1855 - syn of: Nerita guamensis J.R.C. Quoy & J.P. Gaimard, 1834 - (NERITIDAE)
- pellisserpentis, Solaropsis pellisserpentis (J.H. Chemnitz, 1795) - (PLEURODONTIDAE)
- pellisserpentis, Tegula pellisserpentis (Wood, 1828) - (TEGULIDAE)
- pellisserpentis, Cymbiola pellisserpentis J.B.P.A. Lamarck, 1811 - syn of: Cymbiola vespertilio pellisserpentis (J.B.P.A. Lamarck, 1811) - (VOLUTIDAE)
- pellisserpentis, Cymbiola vespertilio pellisserpentis (J.B.P.A. Lamarck, 1811) - (VOLUTIDAE)
- pellisserpentis astricta, Strigatella pellisserpentis astricta (L.A. Reeve, 1844) - (MITRIDAE)
- pellisserpentis colubrina, Solaropsis pellisserpentis colubrina (G. Perry, 1811) - (PLEURODONTIDAE)
- pellisserpentis integra, Solaropsis pellisserpentis integra (H. Drouët, 1859) - (PLEURODONTIDAE)
- pellistigrina, Cypraea pellistigrina D. d' Argenville, 1772 - syn of: Cypraea pantherina J. Lightfoot, 1786 - (CYPRAEIDAE)
- pellistigrina, Tectonatica pellistigrina R.W. Dunker, 1882 - syn of: Notocochlis tigrina (P.F. Röding, 1798) - (NATICIDAE)
- pellita, Pollia pellita G.J. Vermeij & P. Bouchet, 1998 - (BUCCINIDAE)
- pellita, Pyrgulopsis pellita R. Hershler, 1998 - (HYDROBIIDAE)
- pellita, Metafruticicola pellita (A.E.J. Férussac, 1832) - (HYGROMIIDAE)
- pellita, Pellilitorina pellita (E.C. Von Martens, 1885) - (LITTORINIDAE)
- pellita, Gabinarca pellita T. Iredale, 1939 - syn of: Striarca pisolina (J.B.P.A. Lamarck, 1819) - (NOETIIDAE)
- pellita, Ericusa sowerbyi pellita (Johnston, 1880 †) - (VOLUTIDAE) (FOSSIL)
- pellita rhodia, Metafruticicola pellita rhodia (A.E.J. Férussac, 1819) - (HYGROMIIDAE)
- pellita testaceus, Metafruticicola pellita testaceus (E.C. Von Martens, 1889) - (HYGROMIIDAE)
- pellitica, Alzoniella pellitica B. Arconada, E. Rolán & H.D. Boeters, 2007 - (HYDROBIIDAE)
- pellitus, Prosipho pellitus K.H.J. Thiele, 1912 - (BUCCINIDAE)
- pellucens, Talostolida pellucens (J.C. Melvill, 1888) - (CYPRAEIDAE)
- pellucens, Blasicrura pellucens J.C. Melvill, 1888 - syn of: Talostolida pellucens (J.C. Melvill, 1888) - (CYPRAEIDAE)
- pellucens, Ellobium pellucens K.T. Menke, 1830 - syn of: Ellobium dominicense (A.E.J. Férussac, 1821) - (ELLOBIIDAE)
- pellucens, Eulima pellucens A. Adams, 1861 - syn of: Eulimella pellucens (A. Adams, 1861) - (EULIMIDAE)
- pellucens, Cernuella pellucens L. Pfeiffer, 1848 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- pellucens, Euvaricella pellucens (C.B. Adams, 1845) - (OLEACINIDAE)
- pellucens, Ostrea pellucens C. Linnaeus, 1758 - syn of: Caribachlamys pellucens (C. Linnaeus, 1758) - (OSTREIDAE)
- pellucens, Caribachlamys pellucens (C. Linnaeus, 1758) - (PECTINIDAE)
- pellucens, Mareleptopoma pellucens J. Le Renard & P. Bouchet, 2003 - (PICKWORTHIIDAE)
- pellucens, Eulimella pellucens (A. Adams, 1861) - (PYRAMIDELLIDAE)
- pellucens alisonae, Talostolida pellucens alisonae C.M. Burgess, 1983 - (CYPRAEIDAE)
- pellucens jacksoni, Talostolida pellucens jacksoni J.D. Daughenbaugh & M. Beals, 2013 - (CYPRAEIDAE)
- pellucens panamensis, Talostolida pellucens panamensis F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- pellucens sumeihoae, Talostolida pellucens sumeihoae J.D. Daughenbaugh & M. Beals, 2013 - (CYPRAEIDAE)
- pellucida, Pukunia pellucida C.M. Cooke & Y. Kondo, 1960 - (ACHATINELLIDAE)
- pellucida, Auriculella auricula pellucida H.A. Pilsbry & C.M. Cooke, 1915 - (ACHATINELLIDAE)
- pellucida, Bequaertina pellucida (S. Putzeys, 1898) - (ACHATINIDAE)
- pellucida, Achatina pellucida L. Pfeiffer, 1840 - syn of: Blauneria heteroclita (G. Montagu, 1808) - (ACHATINIDAE)
- pellucida, Acteon pellucida W. Macgillivray, 1844 - syn of: Acteon tornatilis (C. Linnaeus, 1758) - (ACTEONIDAE)
- pellucida, Amastra pellucida D.D. Baldwin, 1895 - (AMASTRIDAE)
- pellucida, Anomia pellucida T. Brown, 1818 - syn of: Anomia ephippium C. Linnaeus, 1758 - (ANOMIIDAE)
- pellucida, Phyllaplysia pellucida G.P. Farran, 1905 - (APLYSIIDAE)
- pellucida, Arca pellucida J.F. Gmelin, 1791 - syn of: Scissileda nicobarica (J.G. Bruguière, 1789) - (ARCIDAE)
- pellucida, Bradybaena pellucida J.T. Kuroda & T. Habe, 1953 - (BRADYBAENIDAE)
- pellucida, Bulla pellucida T. Brown, 1827 - syn of: Retusa truncatula (J.G. Bruguière, 1792) - (BULLIDAE)
- pellucida, Bythinella pellucida Seckendorf, 1846 - syn of: Bythiospeum pellucidum (Seckendorf, 1846) - (BYTHINELLIDAE)
- pellucida, Cadlina pellucida (A. Risso, 1826) - (CADLINIDAE)
- pellucida, Polybranchia pellucida W.H. Pease, 1860 - (CALIPHYLLIDAE)
- pellucida, Venustas pellucida A. Valenciennes, 1846 - syn of: Calliostoma pellucidum (A. Valenciennes, 1846) - (CALLIOSTOMATIDAE)
- pellucida, Calyptraea pellucida (L.A. Reeve, 1859) - (CALYPTRAEIDAE)
- pellucida, Clypeomorus pellucida (J.B. Hombron & C.H. Jacquinot, 1852) - (CERITHIIDAE)
- pellucida, Chama pellucida W.J. Broderip, 1835 - (CHAMIDAE)
- pellucida, Chiroteuthis pellucida C. Goodrich, 1896 - (CHIROTEUTHIDAE)
- pellucida, Clathromangelia pellucida L.A. Reeve, 1846 - syn of: Citharomangelia pellucida (L.A. Reeve, 1846) - (CLATHURELLIDAE)
- pellucida, Delima pellucida (L. Pfeiffer, 1848) - (CLAUSILIIDAE)
- pellucida, Albinaria pellucida H. Nordsieck, 1993 - (CLAUSILIIDAE)
- pellucida, Carinigera pellucida I. Dedov & E. Neubert, 2002 - (CLAUSILIIDAE)
- pellucida, Pruvotella pellucida (J.R.C. Quoy & J.P. Gaimard, 1832) - (CLIOPSIDAE)
- pellucida, Mitrella pellucida W.H. Pease, 1860 - syn of: Mitrella rorida (L.A. Reeve, 1859) - (COLUMBELLIDAE)
- pellucida, Columbella pellucida W.H. Pease, 1860 - syn of: Mitrella rorida (L.A. Reeve, 1859) - (COLUMBELLIDAE)
- pellucida, Warrana pellucida P.U. Middelfart, 2002 - (CONDYLOCARDIIDAE)
- pellucida, Cornirostra pellucida (C.F. Laseron, 1954) - (CORNIROSTRIDAE)
- pellucida, Austromitra pellucida R. Tate, 1887 - syn of: Vexillum pellucidum (R. Tate, 1887) - (COSTELLARIIDAE)
- pellucida, Teuthowenia pellucida (C. Chun, 1910) - (CRANCHIIDAE)
- pellucida, Cuspidaria pellucida (W. Stimpson, 1853) - (CUSPIDARIIDAE)
- pellucida, Dendrodoris pellucida L.S.R. Bergh, 1876 - (DENDRODORIDIDAE)
- pellucida, Diaphana pellucida T. Brown, 1827 - syn of: Diaphana minuta T. Brown, 1827 - (DIAPHANIDAE)
- pellucida, Dirona pellucida N.I. Volodchenko, 1941 - (DIRONIDAE)
- pellucida, Doris pellucida A. Risso, 1826 - syn of: Cadlina pellucida (A. Risso, 1826) - (DORIDIDAE)
- pellucida, Eatoniella pellucida (R. Tate & W.L. May, 1900) - (EATONIELLIDAE)
- pellucida, Albosabula pellucida (R. Tate & W.L. May, 1900) - syn of: Eatoniella pellucida (R. Tate & W.L. May, 1900) - (EATONIELLIDAE)
- pellucida, Leuconopsis pellucida (J.G. Cooper, 1841) - (ELLOBIIDAE)
- pellucida, Blauneria pellucida L. Pfeiffer, 1840 - syn of: Blauneria heteroclita (G. Montagu, 1808) - (ELLOBIIDAE)
- pellucida, Euchondria pellucida (F.B. Meek & A.H. Worthen, 1860 †) - (EUCHONDRIIDAE) (FOSSIL)
- pellucida, Annulobalcis pellucida (W. Turton, 1832) - (EULIMIDAE)
- pellucida, Thyca pellucida W. Kükenthal, 1897 - syn of: Bessomia crystallina (A.A. Gould, 1846) - (EULIMIDAE)
- pellucida, Ficus pellucida G.P. Deshayes, 1856 - (FICIDAE)
- pellucida, Flabellina pellucida (J. Alder & A. Hancock, 1843) - (FLABELLINIDAE)
- pellucida, Okenia pellucida R.F. Burn, 1967 - (GONIODORIDIDAE)
- pellucida, Gymnomenia pellucida N.H. Odhner, 1921 - (GYMNOMENIIDAE)
- pellucida, Haliotis pellucida C.U.A. von Salis-Marschlins, 1793 - syn of: Haliotis tuberculata lamellosa J.B.P.A. Lamarck, 1822 - (HALIOTIDAE)
- pellucida, Helix pellucida O.F. Müller, 1774 - syn of: Vitrina pellucida (O.F. Müller, 1774) - (HELICIDAE)
- pellucida, Helix pellucida C.B. Adams, 1845 - syn of: Stauroglypta anthoniana (C.B. Adams, 1849) - (HELICIDAE)
- pellucida, Xenoskenea pellucida (T.A. de M. Monterosato, 1874) - (HYALOGYRINIDAE)
- pellucida, Erycina pellucida J.B.P.A. Lamarck, 1805 † - (LASAEIDAE) (FOSSIL)
- pellucida, Limaria pellucida Adams, 1846 - (LIMIDAE)
- pellucida, Limopsis pellucida J.G. Jeffreys, 1859 - syn of: Crenella pellucida (J.G. Jeffreys, 1859) - (LIMOPSIDAE)
- pellucida, Manningiella pellucida A.R.J.B. Bavay, 1895 - syn of: Hubendickia pellucida (A.R.J.B. Bavay, 1895) - (LITHOGLYPHIDAE)
- pellucida, Lyonsia pellucida T. Brown, 1818 - syn of: Lyonsia norwegica (J.F. Gmelin, 1791) - (LYONSIIDAE)
- pellucida, Standella pellucida (J.F. Gmelin, 1791) - (MACTRIDAE)
- pellucida, Simomactra pellucida W.H. Dall, 1916 - syn of: Simomactra falcata (Gould, 1850) - (MACTRIDAE)
- pellucida, Mactra pellucida J.F. Gmelin, 1791 - syn of: Standella pellucida (J.F. Gmelin, 1791) - (MACTRIDAE)
- pellucida, Anatina pellucida H.C.F. Schumacher, 1817 - syn of: Anatina anatina (L. Spengler, 1802) - (MACTRIDAE)
- pellucida, Anatina pellucida H.C.F. Schumacher, 1817 - syn of: Anatina anatina (L. Spengler, 1802) - (MACTRIDAE)
- pellucida, Malletia pellucida K.H.J. Thiele, 1912 - (MALLETIIDAE)
- pellucida, Citharomangelia pellucida (L.A. Reeve, 1846) - (MANGELIIDAE)
- pellucida, Eucithara pellucida L.A. Reeve, 1846 - syn of: Citharomangelia pellucida (L.A. Reeve, 1846) - (MANGELIIDAE)
- pellucida, Mangelia pellucida L.A. Reeve, 1846 - syn of: Citharomangelia pellucida (L.A. Reeve, 1846) - (MANGELIIDAE)
- pellucida, Marginella pellucida L. Pfeiffer, 1840 - syn of: Prunum pellucidum (L. Pfeiffer, 1840) - (MARGINELLIDAE)
- pellucida, Volvarina pellucida J.E. Tenison-Woods, 1877 - syn of: Serrata mustelina (G.F. Angas, 1871) - (MARGINELLIDAE)
- pellucida, Hyalina pellucida J.E. Tenison-Woods, 1879 - syn of: Serrata mustelina (G.F. Angas, 1871) - (MARGINELLIDAE)
- pellucida, Hyalina pellucida H.C.F. Schumacher, 1817 - syn of: Hyalina pallida (C. Linnaeus, 1758) - (MARGINELLIDAE)
- pellucida, Marginella pellucida H.C. Weinkauff, 1879 - syn of: Volvarina fauna (G.B. I Sowerby, 1846) - (MARGINELLIDAE)
- pellucida, Kurtiella pellucida (J.G. Jeffreys, 1881) - (MONTACUTIDAE)
- pellucida, Rapana pellucida L. Bozzetti, 2008 - (MURICIDAE)
- pellucida, Marchia pellucida L.A. Reeve, 1845 - syn of: Pterynotus pellucidus (L.A. Reeve, 1845) - (MURICIDAE)
- pellucida, Rapa pellucida P.F. Röding, 1798 - syn of: Rapa rapa (C. Linnaeus, 1758) - (MURICIDAE)
- pellucida, Mya pellucida T. Brown, 1818 - syn of: Lyonsia norwegica (J.F. Gmelin, 1791) - (MYIDAE)
- pellucida, Crenella pellucida (J.G. Jeffreys, 1859) - (MYTILIDAE)
- pellucida, Cyclope pellucida A. Risso, 1826 - (NASSARIIDAE)
- pellucida, Bullia pellucida W. Turton, 1832 - syn of: Annulobalcis pellucida (W. Turton, 1832) - (NASSARIIDAE)
- pellucida, Nerinea pellucida Cragin, 1893 † - (NERINEIDAE) (FOSSIL)
- pellucida, Microdiscula pellucida C.F. Laseron, 1954 - syn of: Cornirostra pellucida (C.F. Laseron, 1954) - (ORBITESTELLIDAE)
- pellucida, Patella pellucida C. Linnaeus, 1758 - (PATELLIDAE)
- pellucida, Berthella pellucida (W.H. Pease, 1860) - (PLEUROBRANCHIDAE)
- pellucida, Chondrothyretes reticulata pellucida (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- pellucida, Hubendickia pellucida (A.R.J.B. Bavay, 1895) - (POMATIOPSIDAE)
- pellucida, Pachydrobia pellucida A.R.J.B. Bavay, 1895 - syn of: Hubendickia pellucida (A.R.J.B. Bavay, 1895) - (POMATIOPSIDAE)
- pellucida, Vitrea pellucida T. Pennant, 1777 - syn of: Vitrea crystallina (O.F. Müller, 1774) - (PRISTILOMATIDAE)
- pellucida, Hiatula pellucida J.B.P.A. Lamarck, 1818 - syn of: Tellina lanceolata J.F. Gmelin, 1791 - (PSAMMOBIIDAE)
- pellucida, Pteria pellucida W.M. Gabb, 1864 † - (PTERIIDAE) (FOSSIL)
- pellucida, Odostomia pellucida (Adams, 1795) - (PYRAMIDELLIDAE)
- pellucida, Polyspirella pellucida (G.B. Sowerby, 1897) - (PYRAMIDELLIDAE)
- pellucida, Chrysallida pellucida L.W. Dillwyn, 1817 - syn of: Spiralinella spiralis (G. Montagu, 1803) - (PYRAMIDELLIDAE)
- pellucida, Cingulina pellucida G.B. Sowerby, 1897 - syn of: Polyspirella pellucida (G.B. Sowerby, 1897) - (PYRAMIDELLIDAE)
- pellucida, Retusa pellucida (G.O. Sars, 1878) - (RETUSIDAE)
- pellucida, Retusa pellucida T. Brown, 1827 - syn of: Retusa truncatula (J.G. Bruguière, 1792) - (RETUSIDAE)
- pellucida, Haurakia pellucida (A.W.B. Powell, 1937) - (RISSOIDAE)
- pellucida, Rissoa pellucida R. Tate & W.L. May, 1900 - syn of: Eatoniella pellucida (R. Tate & W.L. May, 1900) - (RISSOIDAE)
- pellucida, Williamia pellucida R.A. Philippi, 1836 - syn of: Williamia gussoni (A. da Costa, 1829) - (SIPHONARIIDAE)
- pellucida, Notosetia pellucida C.F. Laseron, 1950 - syn of: Rissoella secunda (T. Iredale, 1912) - (SKENEIDAE)
- pellucida, Skeneopsis pellucida T.A. de M. Monterosato, 1874 - syn of: Xenoskenea pellucida (T.A. de M. Monterosato, 1874) - (SKENEOPSIDAE)
- pellucida, Rumina pellucida T.A. de M. Monterosato, 1892 - syn of: Rumina decollata (C. Linnaeus, 1758) - (SUBULINIDAE)
- pellucida, Macomopsis pellucida (L. Spengler, 1798) - (TELLINIDAE)
- pellucida, Macoma pellucida (R.A. Philippi, 1843) - (TELLINIDAE)
- pellucida, Tellina pellucida R.A. Philippi, 1843 - syn of: Macoma retrorsa (G.B. II Sowerby, 1867) - (TELLINIDAE)
- pellucida, Tellina pellucida G.B. Brocchi, 1814 - syn of: Abra alba (Wood, 1802) - (TELLINIDAE)
- pellucida, Melibe pellucida L.S.R. Bergh, 1904 - syn of: Melibe leonina (A.A. Gould, 1852) - (TETHYDIDAE)
- pellucida, Melibe pellucida R.F. Burn, 1957 - syn of: Melibe maugeana R.F. Burn, 1960 - (TETHYDIDAE)
- pellucida, Graphis pellucida (J.H. Gatliff & C.J. Gabriel, 1911) - (TOFANELLIDAE)
- pellucida, Trapezium pellucida Moore † - (TRAPEZIDAE) (FOSSIL)
- pellucida, Marionia pellucida C.N.E. Eliot, 1904 - (TRITONIIDAE)
- pellucida, Trivia pellucida L.A. Reeve, 1865 - (TRIVIIDAE)
- pellucida, Videna pellucida H.A. Pilsbry & Y. Hirase, 1905 - (TROCHOMORPHIDAE)
- pellucida, Truncatella pellucida W.L.H. Dohrn, 1860 - (TRUNCATELLIDAE)
- pellucida, Vermicularia pellucida (W.J. Broderip & G.B. I Sowerby, 1829) - (TURRITELLIDAE)
- pellucida, Calyptoconcha pellucida (A.E. Verrill, 1880) - (VELUTINIDAE)
- pellucida, Velutina pellucida K.M. Derjugin, 1950 - syn of: Velutina coriacea (P.S. Pallas, 1788) - (VELUTINIDAE)
- pellucida, Mysia pellucida (R. Tate, 1891) - (VENERIDAE)
- pellucida, Lucinopsis pellucida R. Tate, 1891 - syn of: Mysia pellucida (R. Tate, 1891) - (VENERIDAE)
- pellucida, Gastrocopta pellucida (L. Pfeiffer, 1841) - (VERTIGINIDAE)
- pellucida, Vitrina pellucida (O.F. Müller, 1774) - (VITRINIDAE)
- pellucida, Phenacolimax pellucida J.P.R. Draparnaud, 1801 - syn of: Phenacolimax major (A.E.J. Férussac, 1807) - (VITRINIDAE)
- pellucida, Voluta pellucida L.W. Dillwyn, 1817 - syn of: Spiralinella spiralis (G. Montagu, 1803) - (VOLUTIDAE)
- pellucida alaskana, Vitrina pellucida alaskana W.H. Dall, 1905 - (VITRINIDAE)
- pellucida eburnea, Vermicularia pellucida eburnea (L.A. Reeve, 1842) - (TURRITELLIDAE)
- pellucida farrani, Calyptoconcha pellucida farrani (N.H. Odhner, 1912) - (VELUTINIDAE)
- pellucida forsteriana, Venustas pellucida forsteriana R.K. Dell, 1950 - syn of: Calliostoma waikanae (W.R.B. Oliver, 1926) - (CALLIOSTOMATIDAE)
- pellucida gouldi, Calyptoconcha pellucida gouldi (A.E. Verrill, 1882) - (VELUTINIDAE)
- pellucida haurakiensis, Venustas pellucida haurakiensis R.K. Dell, 1950 - syn of: Calliostoma waikanae (W.R.B. Oliver, 1926) - (CALLIOSTOMATIDAE)
- pellucida hordeacella, Gastrocopta pellucida hordeacella H.A. Pilsbry, 1890 - (VERTIGINIDAE)
- pellucida howelli, Ficus pellucida howelli W.J. Clench & C.G. Aguayo, 1940 - (FICIDAE)
- pellucida hubbardi, Standella pellucida hubbardi (T. Iredale, 1929) - (MACTRIDAE)
- pellucida laevis, Patella pellucida laevis T. Pennant, 1777 - (PATELLIDAE)
- pellucida leavis, Patella pellucida leavis T. Pennant, 1777 - syn of: Patella pellucida C. Linnaeus, 1758 - (PATELLIDAE)
- pellucida oblonga, Patella pellucida oblonga J.G. Jeffreys, 1865 - syn of: Patella pellucida C. Linnaeus, 1758 - (PATELLIDAE)
- pellucida parvidens, Gastrocopta pellucida parvidens V. Sterki, 1899 - syn of: Gastrocopta pellucida hordeacella H.A. Pilsbry, 1890 - (VERTIGINIDAE)
- pellucidoides, Skenea pellucidoides F. Nordsieck, 1982 - (SKENEIDAE)
- Pellucidomus, Subgenus Euconulus (Pellucidomus) F.C. Baker, 1941 (EUCONULIDAE)
- pellucidula, Luria pellucidula G.R. Sulliotti, 1924 - syn of: Luria cinerea (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- pellucidula, Trivirostra pellucidula (J.S. Gaskoin, 1846) - (TRIVIIDAE)
- pellucidula, Trivirostra pellucidula L.A. Reeve, 1846 - syn of: Trivirostra pellucidula (J.S. Gaskoin, 1846) - (TRIVIIDAE)
- pellucidula, Trivia pellucidula J.S. Gaskoin, 1846 - syn of: Trivirostra pellucidula (J.S. Gaskoin, 1846) - (TRIVIIDAE)
- pellucidula natalensis, Trivirostra pellucidula natalensis F.A. Schilder, 1932 - syn of: Trivirostra natalensis F.A. Schilder, 1932 - (TRIVIIDAE)
- pellucidulus, Hexabranchus pellucidulus F.D. Abraham, 1876 - syn of: Hexabranchus sanguineus (W.P.E.S. Rüppell & F.S. Leuckart, 1830) - (HEXABRANCHIDAE)
- pellucidulus, Cyclopecten pellucidulus H.H. Dijkstra, 1995 - (PROPEAMUSSIIDAE)
- pellucidum, Calliostoma pellucidum (A. Valenciennes, 1846) - (CALLIOSTOMATIDAE)
- pellucidum, Calliostoma pellucidum A. Valenciennes, 1846 - syn of: Calliostoma pellucidum (A. Valenciennes, 1846) - (CALLIOSTOMATIDAE)
- pellucidum, Trigonostoma pellucidum G. Perry, 1811 - syn of: Trigonostoma scalare (J.F. Gmelin, 1791) - (CANCELLARIIDAE)
- pellucidum, Cerithium pellucidum J.B. Hombron & C.H. Jacquinot, 1852 - syn of: Clypeomorus pellucida (J.B. Hombron & C.H. Jacquinot, 1852) - (CERITHIIDAE)
- pellucidum, Chaetoderma pellucidum D. Ivanov in O.A. Scarlato, 1987 - (CHAETODERMATIDAE)
- pellucidum, Vexillum pellucidum (R. Tate, 1887) - (COSTELLARIIDAE)
- pellucidum, Bythiospeum pellucidum (Seckendorf, 1846) - (HYDROBIIDAE)
- pellucidum, Prunum pellucidum (L. Pfeiffer, 1840) - (MARGINELLIDAE)
- pellucidum, Teinostoma pellucidum G.B. I Sowerby - (TORNIDAE)
- pellucidum moriorium, Maurea pellucidum moriorium A.W.B. Powell, 1946 - syn of: Calliostoma waikanae (W.R.B. Oliver, 1926) - (CALLIOSTOMATIDAE)
- pellucidum spiratum, Calliotropis pellucidum spiratum W.R.B. Oliver, 1926 - syn of: Calliostoma pellucidum (A. Valenciennes, 1846) - (CALLIOTROPIDAE)
- pellucidus, Strobilus pellucidus H.E. Anton, 1839 - syn of: Antonella trochlearis (L. Pfeiffer, 1842) - (ACHATINELLIDAE)
- pellucidus, Aviculopecten pellucidus F.B. Meek & A.H. Worthen, 1860 † - syn of: Euchondria pellucida (F.B. Meek & A.H. Worthen, 1860 †) - (AVICULOPECTINIDAE) (FOSSIL)
- pellucidus, Cavolinia pellucidus J.F. von Eschscholtz, 1825 - syn of: Cavolinia inflexa (C.A. Lesueur, 1813) - (CAVOLINIIDAE)
- pellucidus, Semistylifer pellucidus (G.P. Deshayes, 1824 †) - (EULIMIDAE) (FOSSIL)
- pellucidus, Fusus pellucidus A. Hancock, 1846 - syn of: Colus latericeus (H.P.C. Møller, 1842) - (FASCIOLARIIDAE)
- pellucidus, Cylichnatys pellucidus (T. Habe, 1947) - (HAMINOEIDAE)
- pellucidus, Pterynotus pellucidus (L.A. Reeve, 1845) - (MURICIDAE)
- pellucidus, Mytilus pellucidus T. Pennant, 1777 - syn of: Mytilus edulis C. Linnaeus, 1758 - (MYTILIDAE)
- pellucidus, Pecten pellucidus J.B.P.A. Lamarck, 1819 - syn of: Flexopecten hyalinus (G.S. Poli, 1795) - (PECTINIDAE)
- pellucidus, Phaxas pellucidus (T. Pennant, 1777) - (PHARIDAE)
- pellucidus, Pleurobranchus pellucidus W.H. Pease, 1860 - syn of: Berthella stellata (A. Risso, 1826) - (PLEUROBRANCHIDAE)
- pellucidus, Pyrgiscus pellucidus E. Saurin, 1959 - (PYRAMIDELLIDAE)
- pellucidus, Solen pellucidus T. Pennant, 1777 - syn of: Phaxas pellucidus (T. Pennant, 1777) - (SOLENIDAE)
- pellucidus, Hyalimax pellucidus J.R.C. Quoy & J.P. Gaimard, 1832 - syn of: Hyalimax perlucidus (J.R.C. Quoy & J.P. Gaimard, 1832) - (SUCCINEIDAE)
- pellucidus, Solariorbis pellucidus H.A. Pilsbry & A.A. Olsson, 1952 - (TORNIDAE)
- pellucidus, Trochus pellucidus A. Valenciennes, 1846 - syn of: Calliostoma pellucidum (A. Valenciennes, 1846) - (TROCHIDAE)
- pellucidus, Pitar pellucidus (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- pellyae, Amphithalamus pellyae G. Nevill, 1881 - syn of: Badepigrus pupoides (C.B. Adams, 1865) - (ANABATHRIDAE)
- pellyae, Amphithalmus pellyae G. Nevill, 1881 - syn of: Badepigrus pupoides (C.B. Adams, 1865) - (ANABATHRIDAE)
- pellyana, Pseudotellidora pellyana (H. Adams, 1873) - (TELLINIDAE)
- pellyi, Haedropleura pellyi (E.A. Smith, 1882) - (HORAICLAVIDAE)
- pellyi, Terebra pellyi E.A. Smith, 1877 - (TEREBRIDAE)
- pelmani, Yochelcionella pelmani Vassiljeva, 1990 † - (YOCHELCIONELLIDAE) (FOSSIL)
- pelmen, Jahnia pelmen Bogolepova & Kríž, 1995 † - (ANTIPLEURIDAE) (FOSSIL)
- pelobsoleta, Idyla bicristata pelobsoleta E. Gittenberger, 1993 - (CLAUSILIIDAE)
- pelocarinata, Albinaria pelocarinata E. Gittenberger, 1994 - (CLAUSILIIDAE)
- pelodes, Parglogenia pelodes (L. Pfeiffer, 1846) - (CAMAENIDAE)
- pelodes, Helix pelodes L. Pfeiffer, 1846 - syn of: Parglogenia pelodes (L. Pfeiffer, 1846) - (HELICIDAE)
- peloncillensis, Sonorella peloncillensis H.A. Pilsbry & J.H. Ferriss, 1915 - (HELMINTHOGLYPTIDAE)
- Peloparion, syn of: Genus Helicarion A.E.J. Fιrussac, 1821 (HELICARIONIDAE)
- pelopeus, Fusinus pelopeus G.D. Nardo, 1847 - syn of: Fusinus rostratus (A.G. Olivi, 1792) - (FASCIOLARIIDAE)
- pelophila, Anodonta pelophila É.A.A. Locard, 1899 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- Pelopia, syn of: Genus Thracia W.E. Leach in H.M.D. De Blainville, 1824 (THRACIIDAE)
- pelopica, Otala pelopica J.R. Bourguignat, 1880 - syn of: Otala punctata (O.F. Müller, 1774) - (HELICIDAE)
- Pelopina, Genus Pelopina M. Huber, 2010 (THRACIIDAE)
- peloponensis, Theodoxus peloponensis (C.A. Récluz, 1841) - (NERITIDAE)
- peloponnesia, Xeromunda peloponnesia B. Hausdorf, 1990 - (HYGROMIIDAE)
- peloponnesiaca, Stigmatica stigmatica peloponnesiaca (C.A. Westerlund, 1893) - (CLAUSILIIDAE)
- peloponnesica, Platyla peloponnesica H.D. Boeters, E. Gittenberger & P. Subai, 1989 - (ACICULIDAE)
- peloponnesica, Helix albescens peloponnesica G. Jan in E.A. Rossmässler, 1839 - (HELICIDAE)
- peloponnesica, Poiretia dilatata peloponnesica P. Subai, 1980 - (SPIRAXIDAE)
- peloponnesicus, Mastus peloponnesicus (E. Gittenberger, 1984) - (ENIDAE)
- pelops, Bellerophon pelops J.W. Hall, 1862 † - (BELLEROPHONTIDAE) (FOSSIL)
- pelorcei, Chauvetia pelorcei P.G. Oliver & E. Rolán, 2008 - (BUCCINIDAE)
- pelorcei, Elachisina pelorcei E. Rolán & S. Gofas, 2003 - (ELACHISINIDAE)
- pelorcei, Specula pelorcei A. Cecalupo & I. Perugia, 2013 - (NEWTONIELLIDAE)
- pelorcei, Chrysallida pelorcei A. Peñas & E. Rolán, 1998 - (PYRAMIDELLIDAE)
- pelorcei, Vitrinella pelorcei F. Rubio, R. Fernández-Garcés & E. Rolán, 2011 - (TORNIDAE)
- pelorcei, Iniforis pelorcei E. Rolán & R. Fernández-Garcés, 2009 - (TRIPHORIDAE)
- Peloriderma, syn of: Genus Ostrea C. Linnaeus, 1758 (OSTREIDAE)
- Peloridoderma, syn of: Genus Ostrea C. Linnaeus, 1758 (OSTREIDAE)
- Peloris, syn of: Genus Ostrea C. Linnaeus, 1758 (OSTREIDAE)
- peloritana, Lampanella minima peloritana (L.C. Kiener, 1841) - (BATILLARIIDAE)
- peloritana, Carinaria peloritana Seguenza, 1867 † - (CARINARIIDAE) (FOSSIL)
- peloritana, Cantrainea peloritana (F.J. Cantraine, 1835) - (COLLONIIDAE)
- peloritana, Payraudeautia peloritana G.R. Sulliotti, 1889 - syn of: Euspira intricata (E. Donovan, 1804) - (NATICIDAE)
- peloritana, Polinices peloritana G.R. Sulliotti, 1889 - syn of: Euspira intricata (E. Donovan, 1804) - (NATICIDAE)
- peloritana, Pirenella peloritana (F.J. Cantraine, 1845) - (POTAMIDIDAE)
- peloritana, Rissoa peloritana A. Aradas & L. Benoit, 1870 - syn of: Alvania discors peloritana (A. Aradas & L. Benoit, 1870) - (RISSOIDAE)
- peloritana, Alvania discors peloritana (A. Aradas & L. Benoit, 1870) - (RISSOIDAE)
- peloritanum, Cerithium peloritanum N. Tiberi, 1869 - syn of: Potamides conicus (H.M.D. de Blainville, 1829) - (CERITHIIDAE)
- peloritanum, Homalopoma carinatum peloritanum (F.J. Cantraine, 1837) - (COLLONIIDAE)
- peloritanus, Ciclopecten peloritanus Seguenza, 1877 † - (PECTINIDAE) (FOSSIL)
- peloritanus, Turbo peloritanus F.J. Cantraine, 1835 - syn of: Cantrainea peloritana (F.J. Cantraine, 1835) - (TURBINIDAE)
- Peloronta, Subgenus Nerita (Peloronta) L. Oken, 1815 (NERITIDAE)
- peloronta, Nerita peloronta C. Linnaeus, 1758 - (NERITIDAE)
- pelorum, Manzonia pelorum R.G. Moolenbeek & M.J. Faber, 1987 - (RISSOIDAE)
- pelotina, Nitidella pelotina P.L. Duclos, 1835 - syn of: Pardalinops testudinaria (J.H.F. Link, 1807) - (COLUMBELLIDAE)
- pelotina, Columbella pelotina P.L. Duclos, 1840 - syn of: Pardalinops testudinaria (J.H.F. Link, 1807) - (COLUMBELLIDAE)
- pelouatense, Cardium pelouatense A.E.M. Cossmann & M.A. Peyrot, 1911 † - (CARDIIDAE) (FOSSIL)
- pelouatensis, Tutufa pelouatensis A.E.M. Cossmann & M.A. Peyrot, 1903 † - (BURSIDAE) (FOSSIL)
- pelouatensis, Apollon pelouatensis A.E.M. Cossmann & M.A. Peyrot, 1924 † - syn of: Bursa tuberosa (J.P.S. Grateloup, 1833 †) - (RANELLIDAE) (FOSSIL)
- pelouatensis, Canarium pelouatensis A.E.M. Cossmann & M.A. Peyrot, 1923 † - syn of: Persististrombus nodosus (S. Borson, 1820 †) - (STROMBIDAE) (FOSSIL)
- pelouatensis?, Drillia pelouatensis? M.A. Peyrot, 1931 † - (DRILLIIDAE) (FOSSIL)
- pelouatosis, Bursa pelouatosis A.E.M. Cossmann & M.A. Peyrot, 1923 - (BURSIDAE)
- pelsaerti, Anchura pelsaerti J. Wild & J.D. Stilwell, 2016 † - (APORRHAIDAE) (FOSSIL)
- pelseneeri, Aeolidia pelseneeri J.J. Risbec, 1937 - (AEOLIDIIDAE)
- pelseneeri, Calliostoma pelseneeri W.O. Cernohorsky, 1977 - syn of: Calliotropis pelseneeri (W.O. Cernohorsky, 1977) - (CALLIOSTOMATIDAE)
- pelseneeri, Calliotropis pelseneeri (W.O. Cernohorsky, 1977) - (CALLIOTROPIDAE)
- pelseneeri, Arcturellina pelseneeri (B. Prashad, 1932) - (CARDITIDAE)
- pelseneeri, Cetoconcha pelseneeri J.P.L. Pelseneer, 1911 - (CETOCONCHIDAE)
- pelseneeri, Paraclione pelseneeri J.J. Tesch, 1903 - (CLIONIDAE)
- pelseneeri, Cuneocorbula pelseneeri M. Glibert & Poel, 1966 † - (CORBULIDAE) (FOSSIL)
- pelseneeri, Doriopsilla pelseneeri M.P. d'Oliveira, 1895 - (DENDRODORIDIDAE)
- pelseneeri, Cicatellia pelseneeri (B. Prashad, 1932) - (KELLIIDAE)
- pelseneeri, Propilidium pelseneeri K.H.J. Thiele, 1912 - (LEPETIDAE)
- pelseneeri, Lorabela pelseneeri (H. Strebel, 1908) - (MANGELIIDAE)
- pelseneeri, Oenopota pelseneeri H. Strebel, 1908 - syn of: Lorabela pelseneeri (H. Strebel, 1908) - (MANGELIIDAE)
- pelseneeri, Trophon pelseneeri E.A. Smith, 1915 - (MURICIDAE)
- pelseneeri, Dacrydium pelseneeri C. Hedley, 1906 - (MYTILIDAE)
- pelseneeri, Notobranchaea macdonaldi pelseneeri A. Pruvot-Fol, 1942 - (NOTOBRANCHAEIDAE)
- pelseneeri, Mimachlamys cloacata pelseneeri (P. Dautzenberg & A.R.J.B. Bavay, 1912) - (PECTINIDAE)
- pelseneeri, Powellisetia pelseneeri (K.H.J. Thiele, 1912) - (RISSOIDAE)
- pelseneeri, Potadomoides pelseneeri E.H.J. Leloup, 1953 - (THIARIDAE)
- pelseneeri rossiana, Calliostoma pelseneeri rossiana R.K. Dell, 1990 - syn of: Calliotropis pelseneeri (W.O. Cernohorsky, 1977) - (CALLIOSTOMATIDAE)
- pelseneeri rossiana, Calliotropis pelseneeri rossiana R.K. Dell, 1990 - syn of: Calliotropis pelseneeri (W.O. Cernohorsky, 1977) - (CALLIOTROPIDAE)
- Pelseneeria, Genus Pelseneeria F. Koehler & C. Vaney, 1908 (EULIMIDAE)
- pelsunca, Aglaja pelsunca Er. Marcus & Ev. Marcus, 1966 - syn of: Philinopsis depicta (S.A. Renier, 1807) - (AGLAJIDAE)
- pelta, Acmaea pelta J.F. von Eschscholtz, 1833 - (ACMAEIDAE)
- pelta, Acmaea pelta J. Rathke in J.F. von Eschscholtz, 1833 - syn of: Lottia pelta (J. Rathke in J.F. von Eschscholtz, 1833) - (ACMAEIDAE)
- pelta, Thairoplax pelta Cherns, 1998 † - (ALASTEGIIDAE) (FOSSIL)
- pelta, Scurria pelta Böhm, 1895 † - (LOTTIIDAE) (FOSSIL)
- pelta, Lottia pelta (J. Rathke in J.F. von Eschscholtz, 1833) - (LOTTIIDAE)
- pelta, Collisella pelta J. Rathke in J.F. von Eschscholtz, 1833 - syn of: Lottia pelta (J. Rathke in J.F. von Eschscholtz, 1833) - (LOTTIIDAE)
- Pelta, syn of: Genus Runcina E. Forbes & S.C.T. Hanley, 1851 (RUNCINIDAE)
- Pelta, syn of: Genus Omalonyx D'Orbigny, 1841 (SUCCINEIDAE)
- pelta monticola, Acmaea pelta monticola T. Nuttall - syn of: Lottia pelta monticola T. Nuttall - (ACMAEIDAE)
- pelta monticola, Lottia pelta monticola T. Nuttall - (LOTTIIDAE)
- pelta nacelloides, Lottia pelta nacelloides W.H. Dall, 1871 - (LOTTIIDAE)
- pelta postelsia, Lottia pelta postelsia unknown - (LOTTIIDAE)
- pelta shirogai, Lottia pelta shirogai T. Habe & K. Itô, 1965 - (LOTTIIDAE)
- Peltatus, syn of: Genus Sheldonia C.M.F. Ancey, 1887 (UROCYCLIDAE)
- peltei, Rectacirsa peltei (J.M.R.M. Viader, 1938) - (EPITONIIDAE)
- peltei, Cirsotrema peltei (J.M.R.M. Viader, 1938) - syn of: Rectacirsa peltei (J.M.R.M. Viader, 1938) - (EPITONIIDAE)
- peltella, Saccella peltella (W.H. Dall, 1903 †) - (NUCULANIDAE) (FOSSIL)
- peltella, Nucula peltella W.H. Dall, 1903 † - (NUCULIDAE) (FOSSIL)
- Peltella, Genus Peltella P.B. Webb & P.J. Van Beneden, 1836 (ORTHALICIDAE)
- PELTIDAE - syn of Family: RUNCINIDAE
- Peltoceras, Genus Peltoceras Waagen, 1871 (ASPIDOCERATIDAE) (FOSSIL)
- Peltoceratoides, Genus Peltoceratoides D'Orbigny, 1848 (ASPIDOCERATIDAE) (FOSSIL)
- peltoceroides, Acanthoceras peltoceroides Pavlow & Lamplugh, 1892 † - (ACANTHOCERATIDAE) (FOSSIL)
- Peltocrioceras, Genus Peltocrioceras Spath, 1924 (AEGOCRIOCERATIDAE) (FOSSIL)
- Peltodoris, Genus Peltodoris L.S.R. Bergh, 1880 (DISCODORIDIDAE)
- peltoides, Nacella peltoides P.P. Carpenter, 1864 - syn of: Williamia peltoides (P.P. Carpenter, 1864) - (NACELLIDAE)
- peltoides, Williamia peltoides (P.P. Carpenter, 1864) - (SIPHONARIIDAE)
- peltoides vernalis, Siphonaria peltoides vernalis W.H. Dall, 1878 - syn of: Williamia peltoides (P.P. Carpenter, 1864) - (SIPHONARIIDAE)
- Peltolytoceras, Genus Peltolytoceras Bonarelli, 1900 (LYTOCERATIDAE) (FOSSIL)
- Peltomorphites, Subgenus Peltoceras (Peltomorphites) Phillips, 1829 (ASPIDOCERATIDAE) (FOSSIL)
- Peltoraspailites, Genus Peltoraspailites Jeannet , 1951 (ASPIDOCERATIDAE) (FOSSIL)
- Peltospira, Genus Peltospira J.H. McLean, 1989 (PELTOSPIRIDAE)
- PELTOSPIRIDAE McLean, 1989 - Family (GASTROPODA-NEOMPHALINA)
- peltus, Valenciennius peltus (. Brusina, 1878 †) - (LYMNAEIDAE) (FOSSIL)
- peludo, Kaloplocamus peludo Y. Vallès & T.M. Gosliner, 2006 - (POLYCERIDAE)
- Pelvis, syn of: Genus Hippopus J.B.P.A. Lamarck, 1799 (TRIDACNIDAE)
- pelvisshikokuensis, Bathyspinula pelvisshikokuensis (T.A. Okutani, 1975) - (BATHYSPINULIDAE)
- PELYCIDIIDAE Ponder & Hall, 1983 - Family (GASTROPODA-CAENOGASTROPODA-LITTORINIMORPHA)
- Pelycidion, Genus Pelycidion P. Fischer, 1873 (PELYCIDIIDAE)
- PELYCIIDAE - syn of Family: PICKWORTHIIDAE
- pelyx, Retusa pelyx R.F. Burn in R.F. Burn & K.N. Bell, 1974 - (RETUSIDAE)
- pemariella, Chrysallida pemariella S. Nomura, 1938 - (PYRAMIDELLIDAE)
- pembaensis, Thala pembaensis M. Herrmann & S. Gori, 2012 - (COSTELLARIIDAE)
- Pembatoxon, Genus Pembatoxon J.L. van Goethem, 1978 (UROCYCLIDAE)
- pembense, Cyanthopoma pembense B. Rowson, 2010 - (CYCLOPHORIDAE)
- pembensis, Dadagulella pembensis B. Rowson & P. Tattersfield, 2013 - (STREPTAXIDAE)
- pembertoni, Imaclava pembertoni (H.N. Lowe, 1935) - (DRILLIIDAE)
- pembertoni, Kandosoconcha pembertoni Cook & Camilleri, 2001 † - (PSEUDOBIGALEAIDAE) (FOSSIL)
- pemphigodes, Cysticopsis pemphigodes (L. Pfeiffer, 1846) - (CEPOLIDAE)
- pemphigus, Buccinum pemphigus W.H. Dall, 1907 - (BUCCINIDAE)
- pemphigus major, Buccinum pemphigus major W.H. Dall, 1919 - (BUCCINIDAE)
- pemphigus orotundum, Buccinum pemphigus orotundum W.H. Dall, 1907 - syn of: Buccinum polare J.E. Gray, 1839 - (BUCCINIDAE)
- pemphigus rausanum, Buccinum pemphigus rausanum T. Shikama, 1957 - (BUCCINIDAE)
- pemphis, Haminoea pemphis (R.A. Philippi, 1847) - (HAMINOEIDAE)
- pemphix, Alaginella pemphix (B. Roth, 1973) - (MARGINELLIDAE)
- Penaceras, Genus Penaceras Cantϊ , 1963 (DESHAYESITIDAE) (FOSSIL)
- penaldi, Rapa penaldi R.P. Montrouzier, 1856 - syn of: Rapa incurva (R.W. Dunker, 1852) - (MURICIDAE)
- penangana, Arca penangana F.P. Jousseaume, 1893 - syn of: Anadara rhomboidalis (H.C.F. Schumacher, 1817) - (ARCIDAE)
- penangana, Scapharca penangana F.P. Jousseaume, 1893 - syn of: Anadara rhomboidalis (H.C.F. Schumacher, 1817) - (ARCIDAE)
- penangensis, Oospira penangensis (F. Stoliczka, 1873) - (CLAUSILIIDAE)
- penangensis, Cyclotus penangensis (F. Stoliczka, 1872) - (CYCLOPHORIDAE)
- penangensis orites, Oospira penangensis orites (F.F. Laidlaw, 1931) - (CLAUSILIIDAE)
- penardi, Rapa penardi R.P. Montrouzier, 1856 - syn of: Rapa rapa (C. Linnaeus, 1758) - (MURICIDAE)
- penares, Euprymna penares (J.E. Gray, 1849) - (SEPIOLIDAE)
- Penascoceras, Genus Penascoceras Ruzhentsev & Shimanskiy, 1954 (DOMATOCERATIDAE) (FOSSIL)
- penascoensis, Adrana penascoensis (H.N. Lowe, 1935) - (NUCULANIDAE)
- penascoensis, Leda penascoensis H.N. Lowe, 1935 - syn of: Adrana penascoensis (H.N. Lowe, 1935) - (NUCULANIDAE)
- penascoensis, Turbonilla penascoensis H.N. Lowe, 1935 - (PYRAMIDELLIDAE)
- penasi, Turbonilla penasi I. Nofroni & F. Gubbioli, 2000 - (PYRAMIDELLIDAE)
- pencana, Mactra pencana R.A. Philippi, 1893 - syn of: Mulinia byronensis Gray, 1837 - (MACTRIDAE)
- penchaszadehi, Conasprelloides penchaszadehi (E.J. Petuch, 1986) - (CONIDAE)
- penchinati, Clausilia rugosa penchinati J.R. Bourguignat, 1876 - (CLAUSILIIDAE)
- penchinati, Pseudamnicola penchinati (J.R. Bourguignat, 1870) - (HYDROBIIDAE)
- penchinati, Xerocrassa penchinati (J.R. Bourguignat, 1868) - (HYGROMIIDAE)
- penchinati, Melanopsis penchinati J.R. Bourguignat, 1868 - (MELANOPSIDAE)
- penchinati, Murex penchinati J.C.H. Crosse, 1861 - syn of: Chicoreus strigatus (L.A. Reeve, 1849) - (MURICIDAE)
- penchinati, Chicoreus penchinati J.C.H. Crosse, 1861 - syn of: Chicoreus strigatus (L.A. Reeve, 1849) - (MURICIDAE)
- penchinati, Planorbarius penchinati (J.R. Bourguignat, 1870) - (PLANORBIDAE)
- penchinati, Chrysallida penchinati M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1883 - syn of: Chrysallida penchynati (M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1883) - (PYRAMIDELLIDAE)
- penchinati, Alasmodonta penchinati J.R. Bourguignat, 1870 - syn of: Pseudanodonta middendorffi (Siemaschko, 1848) - (UNIONIDAE)
- penchinati, Semilimax penchinati J.R. Bourguignat, 1876 - syn of: Semilimax pyrenaicus (A.E.J. Férussac, 1821) - (VITRINIDAE)
- penchinati, Viviparus penchinati J.R. Bourguignat, 1870 - syn of: Viviparus acerosus J.R. Bourguignat, 1862 - (VIVIPARIDAE)
- penchinatiana, Chondrina penchinatiana J.R. Bourguignat, 1863 - syn of: Chondrina farinesii C. des Moulins, 1835 - (CHONDRINIDAE)
- penchinatianus, Unio mancus penchinatianus J.R. Bourguignat, 1865 - (UNIONIDAE)
- penchynati, Chrysallida penchynati (M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1883) - (PYRAMIDELLIDAE)
- Pendaloma, Genus Pendaloma T. Iredale, 1930 (PERIPLOMATIDAE)
- pendata, Aclis pendata W.H. Dall, 1927 - syn of: Aclis stilifer W.H. Dall, 1927 - (ACLIDIDAE)
- pendens, Orthoceras pendens Blake † - (ORTHOCERATIDAE) (FOSSIL)
- penderensis, Diodora penderensis Kellum, 1926 † - (FISSURELLIDAE) (FOSSIL)
- penderi, Saccella penderi (W.H. Dall & P. Bartsch, 1910) - (NUCULANIDAE)
- penderi, Nuculana penderi W.H. Dall & P. Bartsch, 1910 - syn of: Saccella penderi (W.H. Dall & P. Bartsch, 1910) - (NUCULANIDAE)
- pendion, Periapta pendion W.J. Clench & H. Turner, 1952 - syn of: Periapta pandion (W.J. Clench & H. Turner, 1952) - (EPITONIIDAE)
- pendletonensis, Venericor densata pendletonensis (Gardner & E. Bowles, 1939 †) - (CARDITIDAE) (FOSSIL)
- pendopoensis, Taurasia pendopoensis C. Beets, 1984 † - (MURICIDAE) (FOSSIL)
- Pendroma, Genus Pendroma W.H. Dall, 1927 (PENDROMIDAE)
- PENDROMIDAE Warιn, 1991 - Family (GASTROPODA-VETIGASTROPODA)
- pendula, Eulimene pendula Wood, 1872 † - (LITTORINIDAE) (FOSSIL)
- pendula, Triodopsis pendula L.R. Hubricht, 1952 - (POLYGYRIDAE)
- pendula, Buccinaria pendula P. Bouchet & A.V. Sysoev, 1997 - (RAPHITOMIDAE)
- pendula parva, Eulimene pendula parva F.W. Harmer † - (LITTORINIDAE) (FOSSIL)
- penduliobesa, Hormotomina penduliobesa E.G. Linsley, 1968 † - (MURCHISONIIDAE) (FOSSIL)
- pendutsaratae, Kalidos pendutsaratae K.C. Emberton, 2007 - (ARIOPHANTIDAE)
- Pene, Subgenus Buliminus (Pene) P.M. Pallary, 1929 (ENIDAE)
- penea, Biarmeaspira penea (de Verneuil, 1845 †) - (PHYMATOPLEURIDAE) (FOSSIL)
- penea, Pleurotomaria penea de Verneuil, 1845 † - syn of: Biarmeaspira penea (de Verneuil, 1845 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- Peneauia, Genus Peneauia Lardeux, 1969 (PENEAUIIDAE) (FOSSIL)
- PENEAUIIDAE Lardeux, 1969 - Family (TENTACULITA-DACRYOCONARIDA-NOWAKIIDA) (FOSSIL)
- penecilin, Ectenolites penecilin Flower, 1964 † - syn of: Ectenolites clelandi (Ulrich & al., 1944 †) - (ELLESMEROCERATIDAE) (FOSSIL)
- penecilin, Ellesmeroceras penecilin Flower, 1964 † - syn of: Ectenolites clelandi (Ulrich & al., 1944 †) - (ELLESMEROCERATIDAE) (FOSSIL)
- peneckei, Azeca peneckei Andreae, 1892 † - (COCHLICOPIDAE) (FOSSIL)
- peneckei, Carychiella eumicrum peneckei (K. Flach, 1890 †) - (ELLOBIIDAE) (FOSSIL)
- peneckei, Triptychia peneckei Schlosser, 1907 † - (FILHOLIIDAE) (FOSSIL)
- peneckei, Valvata peneckei . Brusina, 1892 † - (VALVATIDAE) (FOSSIL)
- penecyrano, Latouchella penecyrano Runnegar & Jell, 1976 † - syn of: Dorispira penecyrano (Runnegar & Jell, 1976 †) - (COREOSPIRIDAE) (FOSSIL)
- penecyrano, Dorispira penecyrano (Runnegar & Jell, 1976 †) - (RUGAECONIDAE) (FOSSIL)
- penedesensis, Eulimella penedesensis Moreno, A. Peñas & E. Rolán, 2003 † - (PYRAMIDELLIDAE) (FOSSIL)
- penegemmea, Ostrea penegemmea B. Wade, 1926 † - (OSTREIDAE) (FOSSIL)
- peneglabra, Eoangyomphalus peneglabra (Rollins & al., 1971 †) - (GOSSELETINIDAE) (FOSSIL)
- penelaevis, Stramonita penelaevis G.J. Vermeij & D.G. Herbert, 2004 † - (MURICIDAE) (FOSSIL)
- penelegans, Modiolus penelegans T. Iredale, 1939 - syn of: Modiolus modulaides (P.F. Röding, 1798) - (MYTILIDAE)
- penelenticulata, Angyomphalus penelenticulata Rollins, 1975 † - (GOSSELETINIDAE) (FOSSIL)
- penelevis, Glycymeris penelevis B.C. Cotton, 1930 - syn of: Glycymeris striatularis (J.B.P.A. Lamarck, 1819) - (GLYCYMERIDIDAE)
- penelevis, Limopsis penelevis J.C. Verco, 1907 - (LIMOPSIDAE)
- penelope, Ithycythara penelope (W.H. Dall, 1919) - (MANGELIIDAE)
- penelope, Volvarina penelope J. Espinosa & J.A. Ortea, 2015 - (MARGINELLIDAE)
- penenudum, Grammoceras penenudum Monestier, 1934 † - syn of: Fieldingiceras fieldingii (Reynes, 1868 †) - (HILDOCERATIDAE) (FOSSIL)
- Penepatella, Subgenus Patella (Penepatella) T. Iredale, 1929 (PATELLIDAE)
- peneplana, Liospira peneplana Okulitch, 1935 † - (EOTOMARIIDAE) (FOSSIL)
- penepolaris, Acirsa penepolaris Wood, 1872 † - (EPITONIIDAE) (FOSSIL)
- Peneptychia, syn of: Genus Euxina O. Bφttger, 1877 (CLAUSILIIDAE)
- penerectangularis, Purpurocardia penerectangularis (J.A. Bartrum & Powell, 1928 †) - (CARDITIDAE) (FOSSIL)
- Penescosta, Genus Penescosta T. Iredale, 1944 (CHAROPIDAE)
- penestes, Achatina penestes J.C. Melvill & J.H. Ponsonby, 1893 - (ACHATINIDAE)
- penestriatulum, Grammoceras penestriatulum Buckman, 1902 † - (HILDOCERATIDAE) (FOSSIL)
- penetectus, Modiolus penetectus (J.C. Verco, 1907) - (MYTILIDAE)
- penetrans, Acanthochitona penetrans R. Winckworth, 1933 - (ACANTHOCHITONIDAE)
- penetricinctus, Plesiotrochus penetricinctus (B.C. Cotton, 1932 †) - (PLESIOTROCHIDAE) (FOSSIL)
- penexigua, Dumortieria penexigua Buckman † - (HILDOCERATIDAE) (FOSSIL)
- pengboense, Stacheoceras pengboense Sheng, 1988 † - (NEOSTACHEOCERATIDAE) (FOSSIL)
- pengellii, Bensbergia pengellii (Whidborne, 1889 †) - (SOLENISCIDAE) (FOSSIL)
- pengellii, Turbo pengellii Whidborne, 1889 † - syn of: Bensbergia pengellii (Whidborne, 1889 †) - (TURBINIDAE) (FOSSIL)
- pengensis, Subulina pengensis H.A. Pilsbry, 1919 - (SUBULINIDAE)
- penglaense, Jinjiangoceras penglaense Yang & Xiong, 1990 † - (ARAXOCERATIDAE) (FOSSIL)
- pengshuiensis, Progonoceratites pengshuiensis J.K. Zhao & Wang, 1974 † - (CERATITIDAE) (FOSSIL)
- pengshuiensis, Tricula pengshuiensis Y.Y. Liu, Y.X. Wang & W.Z. Zhang, 1991 - (POMATIOPSIDAE)
- penguin, Pteria penguin (P.F. Röding, 1798) - (PTERIIDAE)
- penguin, Pinctada penguin P.F. Röding, 1798 - syn of: Pteria penguin (P.F. Röding, 1798) - (PTERIIDAE)
- Penhsioceras, Genus Penhsioceras Endo, 1932 (ENDOCERIDA (unassigned)) (FOSSIL)
- penicephela, Janthina penicephela F. Péron, 1824 - syn of: Janthina janthina (C. Linnaeus, 1758) - (JANTHINIDAE)
- Penicilla, syn of: Genus Penitella A. Valenciennes, 1846 (PHOLADIDAE)
- penicillata, Acanthochitona penicillata (G.P. Deshayes, 1863) - (ACANTHOCHITONIDAE)
- penicillata, Nassarina penicillata (P.P. Carpenter, 1865) - (COLUMBELLIDAE)
- penicillata, Drillia penicillata P.P. Carpenter, 1864 - syn of: Pseudomelatoma penicillata (P.P. Carpenter, 1865) - (DRILLIIDAE)
- penicillata, Echinolittorina penicillata (P.P. Carpenter, 1864) - (LITTORINIDAE)
- penicillata, Nodilittorina penicillata P.P. Carpenter, 1864 - syn of: Echinolittorina penicillata (P.P. Carpenter, 1864) - (LITTORINIDAE)
- penicillata, Scurria penicillata L.A. Reeve, 1855 - syn of: Scurria variabilis (G.B. I Sowerby, 1839) - (LOTTIIDAE)
- penicillata, Patella penicillata L.A. Reeve, 1855 - syn of: Scurria variabilis (G.B. I Sowerby, 1839) - (PATELLIDAE)
- penicillata, Physa penicillata H. Hemphill, 1890 - syn of: Haitia mexicana (R.A. Philippi, 1841) - (PHYSIDAE)
- penicillata, Plicatula penicillata Carpenter, 1857 - (PLICATULIDAE)
- penicillata, Pseudomelatoma penicillata (P.P. Carpenter, 1865) - (PSEUDOMELATOMIDAE)
- penicillata, Hastula penicillata (R.B. Hinds, 1844) - (TEREBRIDAE)
- penicillata, Dosinia penicillata (L.A. Reeve, 1850) - (VENERIDAE)
- penicillata, Artemis penicillata L.A. Reeve, 1850 - syn of: Dosinia penicillata (L.A. Reeve, 1850) - (VENERIDAE)
- penicillata venosa, Hastula penicillata venosa (R.B. Hinds, 1844) - (TEREBRIDAE)
- penicillatus, Chiton penicillatus G.P. Deshayes, 1863 - syn of: Acanthochitona penicillata (G.P. Deshayes, 1863) - (CHITONIDAE)
- penicillatus, Medionidus penicillatus (I. Lea, 1857) - (UNIONIDAE)
- penicillatus, Anodon penicillatus J.E. Gray, 1834 - syn of: Anodontites trapesialis (J.B.P.A. Lamarck, 1818) - (UNIONIDAE)
- PENICILLIDAE Bruguiθre, 1789 - Family (BIVALVIA-HETERODONTA-EUHETERODONTA-ANOMALODESMATA)
- penicillifer, Octopus penicillifer S.S. Berry, 1954 - (OCTOPODIDAE)
- Penicillus, syn of: Genus Verpa P.F. Rφding, 1798 (PENICILLIDAE)
- Penicillus, syn of: Genus Verpa P.F. Rφding, 1798 (PENICILLIDAE)
- peniculata, Pruvotina peniculata L. Salvini-Plawén, 1978 - (PRUVOTINIDAE)
- penidae, Asperitas trochus penidae B. Rensch, 1938 - (DYAKIIDAE)
- penidae, Asperitas inquinata penidae B. Rensch, 1938 - (DYAKIIDAE)
- peninsulae, Fossaria peninsulae (B. Walker, 1908) - (LYMNAEIDAE)
- peninsulae, Galba peninsulae B. Walker, 1908 - syn of: Fossaria peninsulae (B. Walker, 1908) - (LYMNAEIDAE)
- peninsulae, Thaumeledone peninsulae L. Allcock, M.A. Collins, U. Piatkowski & M. Vecchione, 2004 - (OCTOPODIDAE)
- peninsulae, Laevapex peninsulae H.A. Pilsbry, 1903 - (PLANORBIDAE)
- peninsulae, Daedalochila peninsulae H.A. Pilsbry, 1940 - (POLYGYRIDAE)
- peninsularis, Basterotia peninsularis (H.K. Jordan, 1936) - (BASTEROTIIDAE)
- peninsularis, Anisodonta peninsularis H.K. Jordan, 1936 - syn of: Basterotia peninsularis (H.K. Jordan, 1936) - (BASTEROTIIDAE)
- peninsularis, Corbicula peninsularis B. Prashad, 1928 - (CYRENIDAE)
- peninsularis, Pachydiscus peninsularis (Anderson & G.D. Hanna 1935 †) - (DESMOCERATIDAE) (FOSSIL)
- peninsularis, Melanella peninsularis P. Bartsch, 1917 - (EULIMIDAE)
- peninsularis, Herpeteros peninsularis (H.A. Pilsbry, 1916) - (HELMINTHOGLYPTIDAE)
- peninsularis, Cernuella peninsularis W. Kobelt, 1907 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- peninsularis, Brotia peninsularis (R.A.M. Brandt, 1974) - (PACHYCHILIDAE)
- peninsularis, Haitia cubensis peninsularis (H.A. Pilsbry, 1889) - (PHYSIDAE)
- peninsularis, Abbottella adolphi peninsularis P. Bartsch, 1946 - (POMATIIDAE)
- peninsularis, Rissoina peninsularis P. Bartsch, 1915 - (RISSOINIDAE)
- peninsularis, Triphora peninsularis P. Bartsch, 1907 - (TRIPHORIDAE)
- peninsularis, Trapezoideus peninsularis C.T. Simpson, 1900 - (UNIONIDAE)
- peninsularis, Utterbackiana peninsularis A. Bogan & W.R. Hoeh, 1995 - (UNIONIDAE)
- peninsularis, Filopaludina sumatrensis peninsularis (R.A.M. Brandt, 1974) - (VIVIPARIDAE)
- peninsularis, Yoldia peninsularis Anelli & al., 2006 † - (YOLDIIDAE) (FOSSIL)
- Penion, Genus Penion P. Fischer, 1884 (BUCCINIDAE)
- penion, Coelocentrum penion F.G. Thompson & L.R. Correa-Sandoval, 1994 - (UROCOPTIDAE)
- penioniformis, Fusinus penioniformis T. Habe, 1970 - (FASCIOLARIIDAE)
- penis, Verpa penis (C. Linnaeus, 1758) - (PENICILLIDAE)
- penis, Brechites penis C. Linnaeus, 1758 - syn of: Verpa penis (C. Linnaeus, 1758) - (PENICILLIDAE)
- penis, Serpula penis C. Linnaeus, 1758 - syn of: Verpa penis (C. Linnaeus, 1758) - (VERMETIDAE)
- Penisoltia, Subgenus Alcadia (Penisoltia) F.C. Baker, 1954 (HELICINIDAE)
- penistoni, Turbonilla penistoni K.J. Bush, 1899 - (PYRAMIDELLIDAE)
- penistoni, Periglypta penistoni A. Heilprin, 1890 - syn of: Pitar fulminatus (K.T. Menke, 1828) - (VENERIDAE)
- penita, Cancellaria penita A.A. Olsson, 1942 † - (CANCELLARIIDAE) (FOSSIL)
- penita, Recurvina penita (A.A. Olsson, 1942 †) - (COLUMBELLIDAE) (FOSSIL)
- penita, Pyrula penita T.A. Conrad, 1833 † - (MELONGENIDAE) (FOSSIL)
- penita, Penitella penita (T.A. Conrad, 1837) - (PHOLADIDAE)
- penita, Pholas penita T.A. Conrad, 1837 - syn of: Penitella penita (T.A. Conrad, 1837) - (PHOLADIDAE)
- penita, Pholadidea penita T.A. Conrad, 1837 - syn of: Penitella penita (T.A. Conrad, 1837) - (PHOLADIDAE)
- penita, Parapholas penita R.W. Dunker, 1882 - syn of: Penitella gabbii (G.W. Tryon, 1863) - (PHOLADIDAE)
- penita, Epioblasma penita (T.A. Conrad, 1834) - (UNIONIDAE)
- Penita, syn of: Genus Epioblasma C.S. Rafinesque, 1831 (UNIONIDAE)
- penita sagitta, Pholadidea penita sagitta W.H. Dall, 1916 - syn of: Penitella penita (T.A. Conrad, 1837) - (PHOLADIDAE)
- penitaria, Austrolittorina penitaria G. Nevill, 1885 - syn of: Austrolittorina fernandezensis (J.P. Rosewater, 1970) - (LITTORINIDAE)
- Penitella, Genus Penitella A. Valenciennes, 1846 (PHOLADIDAE)
- penitens, Trilobopsis penitens (G.D. Hanna & E. Rixford, 1923) - (POLYGYRIDAE)
- penitricinctus, Hypotrochus penitricinctus B.C. Cotton, 1932 † - syn of: Plesiotrochus penetricinctus (B.C. Cotton, 1932 †) - (PLESIOTROCHIDAE) (FOSSIL)
- penkillensis, Hyolithes penkillensis Reed, 1909 † - (HYOLITHIDAE) (FOSSIL)
- penna, Melanella penna W.H. Dall, 1927 - (EULIMIDAE)
- penna, Atrina penna (L.A. Reeve, 1858) - (PINNIDAE)
- pennaanseris, Bankia pennaanseris G.F. Roch, 1935 - syn of: Nausitora dunlopei (B.H. Wright, 1864) - (TEREDINIDAE)
- pennaanseris, Nausitora pennaanseris G.F. Roch, 1935 - syn of: Nausitora dunlopei (B.H. Wright, 1864) - (TEREDINIDAE)
- pennacea, Glycymeris pennacea J.B.P.A. Lamarck, 1819 - syn of: Glycymeris decussata (C. Linnaeus, 1758) - (GLYCYMERIDIDAE)
- pennaceus, Darioconus pennaceus (I. von Born, 1778) - (CONIDAE)
- pennaceus, Conus pennaceus W. Korn, H.J. Niederhöfer & M. Blöcher, 2000 - syn of: Darioconus pennaceus vezoi (W. Korn, H.J. Niederhöfer & M. Blöcher, 2000) - (CONIDAE)
- pennaceus, Glycymeris pennaceus J.B.P.A. Lamarck, 1819 - syn of: Glycymeris decussata (C. Linnaeus, 1758) - (GLYCYMERIDIDAE)
- pennaceus bazarutensis, Conus pennaceus bazarutensis F. Fernandes & A. Monteiro, 1988 - syn of: Darioconus pennaceus (I. von Born, 1778) - (CONIDAE)
- pennaceus behelokensis, Conus pennaceus behelokensis J. Lauer, 1989 - syn of: Darioconus behelokensis (J. Lauer, 1989) - (CONIDAE)
- pennaceus confusa, Darioconus pennaceus confusa L. Bozzetti, 2010 - (CONIDAE)
- pennaceus corbieri, Conus pennaceus corbieri M. Blöcher, 1994 - syn of: Darioconus pennaceus (I. von Born, 1778) - (CONIDAE)
- pennaceus echo, Conus pennaceus echo C. Maccà, 1988 - syn of: Darioconus echo (J. Lauer, 1988) - (CONIDAE)
- pennaceus echo, Conus pennaceus echo J. Lauer, 1988 - syn of: Darioconus echo (J. Lauer, 1988) - (CONIDAE)
- pennaceus episcopus, Darioconus pennaceus episcopus (C.H. Hwass, 1792) - (CONIDAE)
- pennaceus ganensis, Darioconus pennaceus ganensis A. Delsaerdt, 1988 - syn of: Darioconus madagascariensis (G.B. II Sowerby, 1858) - (CONIDAE)
- pennaceus mauritiensis, Conus pennaceus mauritiensis J. Lauer, 1992 - syn of: Darioconus pennaceus (I. von Born, 1778) - (CONIDAE)
- pennaceus pseudoecho, Darioconus pennaceus pseudoecho (L. Bozzetti, 2013) - (CONIDAE)
- pennaceus tsara, Conus pennaceus tsara W. Korn, H.J. Niederhöfer & M. Blöcher, 2000 - syn of: Darioconus pennaceus (I. von Born, 1778) - (CONIDAE)
- pennaceus vezoi, Darioconus pennaceus vezoi (W. Korn, H.J. Niederhöfer & M. Blöcher, 2000) - (CONIDAE)
- pennae, Cypraea pennae White, 1887 † - (CYPRAEIDAE) (FOSSIL)
- pennae, Haustellum pennae C.J. Maury, 1934 † - (MURICIDAE) (FOSSIL)
- pennai, Muracypraea pennai W.P. Woodring 1957 † - (CYPRAEIDAE) (FOSSIL)
- pennanti, Gibbula pennanti (R.A. Philippi, 1846) - (TROCHIDAE)
- pennantia, Timoclea pennantia W.E. Leach in J.E. Gray, 1852 - syn of: Timoclea ovata (T. Pennant, 1777) - (VENERIDAE)
- pennantiana, Arca pennantiana W.E. Leach in J.E. Gray, 1852 - syn of: Striarca lactea (C. Linnaeus, 1758) - (ARCIDAE)
- pennantiana, Mangelia pennantiana J.E. Gray, 1852 - syn of: Mangelia costata (T. Pennant, 1777) - (MANGELIIDAE)
- pennantiana, Striarca pennantiana W.E. Leach in J.E. Gray, 1852 - syn of: Striarca lactea (C. Linnaeus, 1758) - (NOETIIDAE)
- pennantiana, Ovula pennantiana W.E. Leach, 1847 - syn of: Simnia patula (T. Pennant, 1777) - (OVULIDAE)
- pennantiana, Barnea pennantiana W.E. Leach in J.E. Gray, 1852 - syn of: Barnea parva (T. Pennant, 1777) - (PHOLADIDAE)
- pennantii, Laevicardium pennantii L.A. Reeve, 1844 - syn of: Laevicardium crassum (J.F. Gmelin, 1791) - (CARDIIDAE)
- pennantii, Venus pennantii E. Forbes, 1838 - syn of: Chamelea striatula (E.M. Da Costa, 1778) - (VENERIDAE)
- Pennaria, syn of: Genus Pinna C. Linnaeus, 1758 (PINNIDAE)
- pennasilicorum, Conus pennasilicorum L. Bozzetti, 2017 - (CONIDAE)
- pennata, Latiala pennata (Morton, 1834 †) - (APORRHAIDAE) (FOSSIL)
- pennata, Cypraecassis pennata J.G. Bruguière, 1792 - syn of: Cypraecassis rufa (C. Linnaeus, 1758) - (CASSIDAE)
- pennata, Vittina pennata (I. von Born, 1778) - (NERITIDAE)
- pennata, Gari pennata (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- pennata, Psammobia pennata G.P. Deshayes, 1855 - syn of: Gari pennata (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- pennata, Tonna pennata (O.A.L. Mörch, 1853) - (TONNIDAE)
- pennata maculosa, Tonna pennata maculosa L.W. Dillwyn, 1817 - (TONNIDAE)
- pennatifera, Pholas pennatifera H.M.D. de Blainville, 1828 - syn of: Bankia bipennata (W. Turton, 1819) - (PHOLADIDAE)
- pennatifera, Teredo pennatifera H.M.D. de Blainville, 1828 - syn of: Bankia bipennata (W. Turton, 1819) - (TEREDINIDAE)
- pennatulus, Carinolithes pennatulus (Holm, 1893 †) - (CARINOLITHIDAE) (FOSSIL)
- pennatum, Cypraecassis pennatum J.F. Gmelin, 1791 - syn of: Cypraecassis rufa (C. Linnaeus, 1758) - (CASSIDAE)
- pennatum, Mychopoma pennatum W.S.S. Van Benthem-Jutting, 1958 - (CYCLOPHORIDAE)
- pennatum, Dolium pennatum J.S. Schröter in W. Martini, 1788 - syn of: Tonna perdix (C. Linnaeus, 1758) - (TONNIDAE)
- pennatum, Stephopoma pennatum O.A.L. Mörch, 1860 - (VERMETIDAE)
- pennatus, Bellerophon pennatus R. Etheridge jr., 1907 † - (BELLEROPHONTIDAE) (FOSSIL)
- pennatus, Capulus pennatus (J.B.P.A. Lamarck, 1802 †) - (CAPULIDAE) (FOSSIL)
- pennatus, Capulus pennatus A.E.M. Cossmann, 1883 † - syn of: Capulus pennatus (J.B.P.A. Lamarck, 1802 †) - (CAPULIDAE) (FOSSIL)
- pennatus, Aequipecten paranensis pennatus Rio, 1992 - (PECTINIDAE)
- pennelli, Lunarca pennelli W.M. Gabb, 1873 † - (ARCIDAE) (FOSSIL)
- pennelli, Promoussonius pennelli H.A. Pilsbry, 1926 - (SUBULINIDAE)
- penneyi, Mendax penneyi M. Jay & J. Drivas, 2002 - (CERITHIOPSIDAE)
- pennicellata, Clymenia pennicellata Gümbel, 1863 † - syn of: Trigonoclymenia pennicellata (Gümbel, 1863 †) - (CLYMENIIDAE) (FOSSIL)
- pennicellata, Trigonoclymenia pennicellata (Gümbel, 1863 †) - (PLATYCLYMENIIDAE) (FOSSIL)
- pennigera, Doris pennigera G. Montagu, 1815 - syn of: Thecacera pennigera (G. Montagu, 1815) - (DORIDIDAE)
- pennigera, Ostrea pennigera F.P. Jousseaume in É. Lamy, 1925 - syn of: Crassostrea bilineata (P.F. Röding, 1798) - (OSTREIDAE)
- pennigera, Thecacera pennigera (G. Montagu, 1815) - (POLYCERIDAE)
- penniketi, Calliostoma penniketi (B.A. Marshall, 1995) - (CALLIOSTOMATIDAE)
- penniketi, Maurea penniketi B.A. Marshall, 1995 - syn of: Calliostoma penniketi (B.A. Marshall, 1995) - (CALLIOSTOMATIDAE)
- penniketi, Monoplex penniketi (A.G. Beu, 1998) - (RANELLIDAE)
- penniketi, Cymatium penniketi A.G. Beu, 1998 - syn of: Monoplex penniketi (A.G. Beu, 1998) - (RANELLIDAE)
- pennina, Oonia pennina C.F. Parona, 1892 † - (PSEUDOMELANIIDAE) (FOSSIL)
- penningtonorum, Siphocypraea penningtonorum E.J. Petuch, 1994 † - (CYPRAEIDAE) (FOSSIL)
- penningtonorum, Melongena penningtonorum E.J. Petuch, 1994 † - (MELONGENIDAE) (FOSSIL)
- penninsularis, Triphora penninsularis P. Bartsch, 1907 - syn of: Triphora peninsularis P. Bartsch, 1907 - (TRIPHORIDAE)
- Pennoceras, Genus Pennoceras Miller & Unklesbay, 1942 (WIEDEYOCERATIDAE) (FOSSIL)
- pennsylvanica, Goniobasis pennsylvanica (H.A. Pilsbry, 1916) - (PLEUROCERIDAE)
- pennsylvanica, Patera pennsylvanica (J. Green, 1827) - (POLYGYRIDAE)
- pennsylvanica, Succinea pennsylvanica H.A. Pilsbry, 1948 - (SUCCINEIDAE)
- pennsylvanicus, Somatogyrus pennsylvanicus B. Walker, 1904 - (LITHOGLYPHIDAE)
- pennula, Icanotia pennula T.L. Casey, 1961 † - (ICANOTIIDAE) (FOSSIL)
- pennyi, Drillia pennyi W.C. Mansfield, 1925 † - (DRILLIIDAE) (FOSSIL)
- pennyi, Propeamussium pennyi G.F. Harris, 1926 † - (PROPEAMUSSIIDAE) (FOSSIL)
- penoensis, Licina aguadillensis penoensis H.B. Baker, 1940 - (POMATIIDAE)
- penolensis, Magilaoma penolensis (J.C. Cox, 1868) - (PUNCTIDAE)
- penrosei, Pachymelania penrosei (G.F. Harris, 1895 †) - (THIARIDAE) (FOSSIL)
- pensa, Bedeva pensa T. Iredale, 1940 - syn of: Bedeva paivae (J.C.H. Crosse, 1864) - (MURICIDAE)
- Pensarnia, Genus Pensarnia Cope, 1996 (NUCULIDA (unassigned)) (FOSSIL)
- pensitatus, Unio pensitatus J.C.H. Crosse & P.H. Fischer, 1894 - syn of: Ctenodesma borneensis (A. Issel, 1874) - (UNIONIDAE)
- pensum, Fusus pensum F.W. Hutton, 1873 - syn of: Coluzea spiralis (A. Adams, 1856) - (FASCIOLARIIDAE)
- pensum, Coluzea pensum F.W. Hutton, 1873 - syn of: Coluzea spiralis (A. Adams, 1856) - (TURBINELLIDAE)
- pensylvanica, Lucina pensylvanica (C. Linnaeus, 1758) - (LUCINIDAE)
- pensylvanica, Anodonta pensylvanica J.B.P.A. Lamarck, 1819 - syn of: Strophitus undulatus (T. Say, 1817) - (UNIONIDAE)
- pentabranchus, Doridunculus pentabranchus N.H. Odhner, 1907 - syn of: Doridunculus echinulatus G.O. Sars, 1878 - (AKIODORIDIDAE)
- pentacarinifera, Teretia pentacarinifera J.L. Vera-Peláez, 2002 † - (RAPHITOMIDAE) (FOSSIL)
- pentacostae, Cerithium pentacostae C. Moore, 1867 † - (CERITHIIDAE) (FOSSIL)
- pentacyclota, Adelphotectonica pentacyclota M. Azuma, 1973 - syn of: Adelphotectonica kuroharai (J.T. Kuroda & T. Habe in T. Habe, 1961) - (ARCHITECTONICIDAE)
- pentacyclota, Architectonica pentacyclota M. Azuma, 1973 - syn of: Adelphotectonica kuroharai (J.T. Kuroda & T. Habe in T. Habe, 1961) - (ARCHITECTONICIDAE)
- Pentadactylis, syn of: Genus Ergalatax T. Iredale, 1931 (MURICIDAE)
- Pentadactylus, syn of: Genus Drupa P.F. Rφding, 1798 (MURICIDAE)
- pentadactylus, Albimanus pentadactylus (H.A. Pilsbry & A.A. Olsson, 1935) - (PERIPLOMATIDAE)
- pentadelphia, Glyphyalinia pentadelphia H.A. Pilsbry, 1900 - (ZONITIDAE)
- Pentadentula, Genus Pentadentula A.N. Suvorov, 2006 (ENIDAE)
- pentadina, Helix pentadina D'Orbigny, 1835 - syn of: Eurytus pentadinus (A.V.M.D. D'Orbigny, 1835) - (HELICIDAE)
- Pentadina, syn of: Genus Pinctada P.F. Rφding, 1798 (PTERIIDAE)
- pentadinus, Eurytus pentadinus (A.V.M.D. D'Orbigny, 1835) - (AMPHIBULIMIDAE)
- pentadinus, Bulimus pentadinus D'Orbigny, 1835 - syn of: Eurytus pentadinus (A.V.M.D. D'Orbigny, 1835) - (BULIMULIDAE)
- pentadonta, Huxleyia pentadonta O.A. Scarlato, 1981 - (NUCINELLIDAE)
- pentaechma, Diplommatina pentaechma F.F. Laidlaw, 1949 - (DIPLOMMATINIDAE)
- pentagona, Melanopsis pentagona . Brusina, 1892 † - (MELANOPSIDAE) (FOSSIL)
- pentagona, Pterotheca pentagona Foerste, 1914 † - (PTEROTHECIDAE) (FOSSIL)
- pentagona, Tetratheca pentagona A.V. Sysoev, 1968 † - (TETRATHECIDAE) (FOSSIL)
- pentagonalis, Bellaspira pentagonalis (W.H. Dall, 1889) - (DRILLIIDAE)
- pentagonalis, Drillia pentagonalis W.H. Dall, 1889 - syn of: Bellaspira pentagonalis (W.H. Dall, 1889) - (DRILLIIDAE)
- pentagonalis, Drillia pentagonalis J.C. Verco, 1896 - syn of: Exomilus pentagonalis (J.C. Verco, 1896) - (DRILLIIDAE)
- pentagonalis, Maclurites pentagonalis (Klipstein, 1843 †) - (MACLURITIDAE) (FOSSIL)
- pentagonalis, Ithycythara pentagonalis (L.A. Reeve, 1845) - (MANGELIIDAE)
- pentagonalis, Pleurotomaria pentagonalis Klipstein, 1843 † - syn of: Maclurites pentagonalis (Klipstein, 1843 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- pentagonalis, Neocraspedites pentagonalis Alsen, 2006 † - (POLYPTYCHITIDAE) (FOSSIL)
- pentagonalis, Exomilus pentagonalis (J.C. Verco, 1896) - (RAPHITOMIDAE)
- pentagonalis, Nototeredo pentagonalis Is. Taki & T. Habe, 1945 - syn of: Nototeredo edax (C. Hedley, 1895) - (TEREDINIDAE)
- pentagonata, Pyrazopsis pentagonata (Schlotheim, 1820 †) - (BATILLARIIDAE) (FOSSIL)
- pentagonata, Benoistia pentagonata Doncieux, 1908 † - (BRACHYTREMATIDAE) (FOSSIL)
- pentagonatus, Pyrazus pentagonatus (Schlotheim, 1829 †) - (POTAMIDIDAE) (FOSSIL)
- Pentagoniturricula, Genus Pentagoniturricula Shuto, 1980 (TURRIDAE) (FOSSIL)
- Pentagonoceras, Genus Pentagonoceras Zhao & al., 1978 (PLEURONODOCERATIDAE) (FOSSIL)
- Pentagonodiscus, Genus Pentagonodiscus Wendt, 1968 (EUOMPHALIDAE) (FOSSIL)
- pentagonum, Lophoceras pentagonum (Sowerby, 1819 †) - (KONINCKIOCERATIDAE) (FOSSIL)
- pentagonum, Cheilotomona pentagonum Yu & al., 1974 † - (MURCHISONIIDAE) (FOSSIL)
- pentagonum, Schizogonium pentagonum Yu & al., 1974 † - (SCHIZOGONIIDAE) (FOSSIL)
- pentagonus, Eucalycoceras pentagonus A.J. Jukes-Browne, 1896 † - (ACANTHOCERATIDAE) (FOSSIL)
- pentagonus, Gifuchiton pentagonus Hoare & Karasawa, 2008 † - (LEPTOCHITONIDAE) (FOSSIL)
- pentagonus, Cyclostremiscus pentagonus (W.M. Gabb, 1873) - (TORNIDAE)
- Pentagrammysia, Genus Pentagrammysia Guskov, 1984 (SANGUINOLITIDAE) (FOSSIL)
- pentagyra, Hawaiia pentagyra (H.A. Pilsbry, 1907) - (PRISTILOMATIDAE)
- Pentalina, Genus Pentalina Hornύ, 1961 (TRYBLIDIIDAE) (FOSSIL)
- pentalira, Mathilda pentalira D.T. Dockery, 1993 † - (MATHILDIDAE) (FOSSIL)
- pentalopha, Turbonilla pentalopha W.H. Dall & P. Bartsch, 1903 - (PYRAMIDELLIDAE)
- pentalvea, Orthonychia pentalvea Talent & Philip, 1956 † - (ORTHONYCHIIDAE) (FOSSIL)
- Pentameroceras, Genus Pentameroceras Hyatt, 1884 (TRIMEROCERATIDAE) (FOSSIL)
- pentangularis, Euomphalus pentangularis J. de C. Sowerby, 1814 † - (EUOMPHALIDAE) (FOSSIL)
- pentangularis, Goniatites pentangularis Whidborne, 1890 † - syn of: Agoniatites fulguralis (Whidborne, 1890 †) - (GONIATITIDAE) (FOSSIL)
- pentangulatus, Euomphalus pentangulatus J. de C. Sowerby, 1814 † - (EUOMPHALIDAE) (FOSSIL)
- pentaphasios, Siphonochelus pentaphasios (K.H. Barnard, 1959) - (MURICIDAE)
- pentapleura, Fenimorea pentapleura J.S. Schwengel, 1940 - syn of: Bellaspira pentagonalis (W.H. Dall, 1889) - (DRILLIIDAE)
- pentaptychia, Oospira duci pentaptychia H. Nordsieck, 2016 - (CLAUSILIIDAE)
- Pentaptyxis, Genus Pentaptyxis Pchelintsev, 1968 (OPISTHOBRANCHIA (unassigned)) (FOSSIL)
- pentastichus, Yakutosirenites pentastichus (Vozin, 1964 †) - (TRACHYCERATIDAE) (FOSSIL)
- pentastoma, Nerita tricarinata pentastoma G.P. Deshayes, 1864 - (NERITIDAE)
- Pentaterebra, Subgenus Terebra (Pentaterebra) A.A. Olsson, 1967 (TEREBRIDAE)
- pentecostata, Fluviopupa pentecostata S. Zielske & M. Haase, 2014 - (HYDROBIIDAE)
- pentegoniostoma, Cyclostrema pentegoniostoma (P.P. Carpenter, 1856) - (LIOTIIDAE)
- pentegoniostoma, Vitrinella pentegoniostoma P.P. Carpenter, 1856 - syn of: Cyclostrema pentegoniostoma (P.P. Carpenter, 1856) - (TORNIDAE)
- pentheri, Archachatina pentheri (R. Sturany, 1898) - (ACHATINIDAE)
- pentheri, Pseudobithynia pentheri (R. Sturany, 1904) - (BITHYNIIDAE)
- pentheri, Strigilodelima pentheri (A.J. Wagner, 1919) - (CLAUSILIIDAE)
- pentheri, Liburnica pentheri (R. Sturany, 1901) - (HELICIDAE)
- pentherinus, Octopus pentherinus A. de Rochebrune & J.F. Mabille, 1889 - (OCTOPODIDAE)
- penthica, Vivipara penthica G. Servain, 1884 - syn of: Viviparus viviparus (C. Linnaeus, 1758) - (VIVIPARIDAE)
- penthica albisiana, Vivipara penthica albisiana G. Servain, 1884 - syn of: Viviparus viviparus (C. Linnaeus, 1758) - (VIVIPARIDAE)
- penthica porphyrea, Paludina penthica porphyrea C.A. Westerlund, 1886 - syn of: Viviparus viviparus (C. Linnaeus, 1758) - (VIVIPARIDAE)
- Penthominea, syn of: Genus Haminoea W.H. Turton & J.F. Kingston in Carrington, 1830 (HAMINOEIDAE)
- penthusarus, Clypeomorus penthusarus T. Iredale, 1929 - syn of: Clypeomorus bifasciata (G.B. II Sowerby, 1855) - (CERITHIIDAE)
- pentigoniostoma, Trimusculus pentigoniostoma G.F. Angas, 1867 - syn of: Trimusculus conicus (G.F. Angas, 1867) - (TRIMUSCULIDAE)
- pentlandi, Scutalus pentlandi (L.A. Reeve, 1849) - (BULIMULIDAE)
- pentodon, Limopsis pentodon C.G. Aguayo & P.J. Borro, 1946 - syn of: Cratis pentodon (C.G. Aguayo & P.J. Borro, 1946) - (LIMOPSIDAE)
- pentodon, Cratis pentodon (C.G. Aguayo & P.J. Borro, 1946) - (PHILOBRYIDAE)
- pentodon, Gulella pentodon (P.M.A. Morelet, 1889) - (STREPTAXIDAE)
- pentodon, Vertigopsis pentodon (T. Say, 1822) - (VERTIGINIDAE)
- pentonensis, Palaeoneilo pentonensis (Hind, 1899 †) - (MALLETIIDAE) (FOSSIL)
- pentonensis, Hypergonia pentonensis J. Donald, 1892 † - syn of: Hypergonia quadricarinata (F. McCoy, 1844 †) - (ORTHONEMIDAE) (FOSSIL)
- Pentoperna, Genus Pentoperna (ARCIDA (unassigned)) (FOSSIL)
- pentzanum, Submortoniceras pentzanum Anderson, 1958 † - (COLLIGNONICERATIDAE) (FOSSIL)
- penuriacostarum, Turbonilla penuriacostarum A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
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