- mumfordi, Atea mumfordi H.A. Pilsbry & C.M. Cooke, 1933 - (ACHATINELLIDAE)
- mumia, Cerion mumia (J.G. Bruguière, 1792) - (CERIONIDAE)
- mumia, Gomphoceras mumia Barrande, 1865 † - syn of: Ovocerina mumia (Barrande, 1865 †) - (DIESTOCERATIDAE) (FOSSIL)
- mumia, Eufistulana mumia (L. Spengler, 1783) - (GASTROCHAENIDAE)
- mumia, Gastrochaena mumia L. Spengler, 1783 - syn of: Eufistulana mumia (L. Spengler, 1783) - (GASTROCHAENIDAE)
- mumia, Ovocerina mumia (Barrande, 1865 †) - (MANDALOCERATIDAE) (FOSSIL)
- mumia, Dissostoma mumia (J.B.P.A. Lamarck, 1804 †) - (POMATIIDAE) (FOSSIL)
- mumia, Turbonilla mumia (C.B. Adams, 1861) - (PYRAMIDELLIDAE)
- mumia, Chemnitzia mumia Stoppani, 1858 † - syn of: Coelochrysalis megaspira (Stoppani, 1857 †) - (PYRAMIDELLIDAE) (FOSSIL)
- mumia cabrerai, Cerion mumia cabrerai C.G. Aguayo & M.I. Sánchez Roig, 1953 - (CERIONIDAE)
- mumia chrysalis, Cerion mumia chrysalis (A.E.J. Férussac in H.H. Beck, 1837) - (CERIONIDAE)
- mumia chrysalis bidens, Cerion mumia chrysalis bidens H.H. Beck, 1837 - (CERIONIDAE)
- mumia cuspidatum, Cerion mumia cuspidatum C.G. Aguayo & M.I. Sánchez Roig, 1953 - (CERIONIDAE)
- mumia fastigatum, Cerion mumia fastigatum (C.J. Maynard, 1896) - (CERIONIDAE)
- mumia gigantea, Cerion mumia gigantea M.I. Sánchez Roig, 1951 - (CERIONIDAE)
- mumia hersheyi, Cerion mumia hersheyi W.J. Clench & C.G. Aguayo, 1940 - (CERIONIDAE)
- mumia hondanum, Cerion mumia hondanum H.A. Pilsbry, 1902 - (CERIONIDAE)
- mumia magister, Cerion mumia magister H.A. Pilsbry & E.G. Vanatta, 1896 - (CERIONIDAE)
- mumia microscopica, Turbonilla mumia microscopica (C.B. Adams, 1861) - (PYRAMIDELLIDAE)
- mumia noriae, Cerion mumia noriae C.G. Aguayo & M.I. Sánchez Roig, 1953 - (CERIONIDAE)
- mumia obliterata, Cerion mumia obliterata C.J. Maynard, 1896 - (CERIONIDAE)
- mumia wrighti, Cerion mumia wrighti C.G. Aguayo & M.I. Sánchez Roig, 1953 - (CERIONIDAE)
- mumiaeforme, Clinoceras mumiaeforme (R.P. Whitfield, 1882 †) - (CLINOCERATIDAE) (FOSSIL)
- mumiaeforme, Whitfieldoceras mumiaeforme R.P. Whitfield, 1882 † - syn of: Clinoceras mumiaeforme (R.P. Whitfield, 1882 †) - (CLINOCERATIDAE) (FOSSIL)
- mumiformis, Ovaginella mumiformis Darragh, 2017 † - (MARGINELLIDAE) (FOSSIL)
- mumiola, Cerion mumiola (L. Pfeiffer, 1839) - (CERIONIDAE)
- mumiola, Littorina mumiola A.E.M. Cossmann 1900 - (LITTORINIDAE)
- mumiola, Pelycidion mumiola (A.E.M. Cossmann & G. Pissarro, 1913 †) - (PELYCIDIIDAE) (FOSSIL)
- mumiola, Urgonella mumiola A.E.M. Cossmann, 1916 † - (POTAMIDIDAE) (FOSSIL)
- Mumiola, Subgenus Chrysallida (Mumiola) A. Adams, 1864 (PYRAMIDELLIDAE)
- mumiola guillermi, Cerion mumiola guillermi C. de la Torre, 1954 - (CERIONIDAE)
- Mummocalcar, syn of: Genus Nummocalcar Cossmann, 1896 † (EUOMPHALIDAE) (FOSSIL)
- mumuena, Callochiton mumuena E. Schwabe & F.J.A. Slieker, 2001 - (CALLOCHITONIDAE)
- munda, Barbatia munda G.B. III Sowerby, 1903 - syn of: Glycymeris munda (G.B. III Sowerby, 1903) - (ARCIDAE)
- munda, Neocrassina elegans munda Whidborne, 1883 † - (ASTARTIDAE) (FOSSIL)
- munda, Albinaria munda (E.A. Rossmässler, 1836) - (CLAUSILIIDAE)
- Munda, syn of: Genus Albinaria W. von Vest, 1867 (CLAUSILIIDAE)
- munda, Clio munda A.A. Gould, 1852 - syn of: Creseis virgula (P.C.A.S.L. Rang, 1828) - (CLIIDAE)
- munda, Globiscala munda (K.H. Barnard, 1969) - (EPITONIIDAE)
- munda, Sagamiscala munda (K.H. Barnard, 1969) - syn of: Globiscala munda (K.H. Barnard, 1969) - (EPITONIIDAE)
- munda, Eulima munda Smith, 1899 † - syn of: Eulima deshayesi A.E.M. Cossmann, 1888 † - (EULIMIDAE) (FOSSIL)
- munda, Glycymeris munda (G.B. III Sowerby, 1903) - (GLYCYMERIDIDAE)
- munda, Helicina munda F. Haas, 1951 - (HELICINIDAE)
- munda, Dumortieria munda (Branco, 1879 †) - (HILDOCERATIDAE) (FOSSIL)
- munda, Dumortieria munda Buckman † - (HILDOCERATIDAE) (FOSSIL)
- munda, Ginaia munda (R. Sturany, 1894) - (HYDROBIIDAE)
- munda, Frodospira munda (Lindström, 1884 †) - (LOPHOSPIRIDAE) (FOSSIL)
- munda, Mangelia munda (E.A. Smith, 1888) - (MANGELIIDAE)
- munda, Propebela munda H.H. Suter, 1909 - syn of: Antiguraleus mundus (H.H. Suter, 1909) - (MANGELIIDAE)
- munda, Mangelia munda H.H. Suter, 1909 - syn of: Antiguraleus mundus (H.H. Suter, 1909) - (MANGELIIDAE)
- munda, Marginella munda E.A. Smith, 1904 - (MARGINELLIDAE)
- munda, Mesodesma munda A.A. Gould, 1850 - syn of: Davila plana (S.C.T. Hanley, 1843) - (MESODESMATIDAE)
- munda, Spathella munda Whidborne, 1896 † - (MODIOMORPHIDAE) (FOSSIL)
- munda, Lodanaria munda Dahmer, 1925 † - (MURCHISONIIDAE) (FOSSIL)
- munda, Favartia munda (L.A. Reeve, 1849) - (MURICIDAE)
- munda, Nassa munda R. Sturany, 1900 - syn of: Nassarius idyllius (J.C. Melvill & R. Standen, 1901) - (NASSARIIDAE)
- munda, Truncacila munda Kalishevich, 1969 † - (NUCULIDAE) (FOSSIL)
- munda, Turbonilla munda A. Adams, 1860 - (PYRAMIDELLIDAE)
- munda, Pusillina munda (T.A. de M. Monterosato, 1884) - (RISSOIDAE)
- munda, Asthelys munda (R.B. Watson, 1879) - (SEGUENZIIDAE)
- munda, Aphrodina munda L.W. Stephenson, 1953 † - (VENERIDAE) (FOSSIL)
- munda coa, Filumna munda coa O. Böttger, 1889 - syn of: Albinaria coa (O. Böttger, 1889) - (CLAUSILIIDAE)
- munda eudilica, Albinaria munda eudilica (H. von Maltzan, 1884) - (CLAUSILIIDAE)
- munda puella, Albinaria munda puella L. Pfeiffer, 1850 - syn of: Albinaria puella (L. Pfeiffer, 1850) - (CLAUSILIIDAE)
- munda seminuda, Pusillina munda seminuda (L. Seguenza, 1903) - (RISSOIDAE)
- munda sublitoralis, Ginaia munda sublitoralis P. Radoman, 1978 - (HYDROBIIDAE)
- munda unifasciata, Marginella munda unifasciata W.H. Turton, 1932 - syn of: Marginella munda E.A. Smith, 1904 - (MARGINELLIDAE)
- mundahuensis, Mytilus mundahuensis E. Duarte, 1926 - syn of: Mytella charruana (A.V.M.D. D'Orbigny, 1842) - (MYTILIDAE)
- mundana, Falsicingula mundana (M. Yokoyama, 1926) - (FALSICINGULIDAE)
- mundana, Cingula mundana M. Yokoyama, 1926 - syn of: Falsicingula mundana (M. Yokoyama, 1926) - (RISSOIDAE)
- mundanus, Unio mundanus É.A.A. Locard, 1899 - syn of: Unio abrantesianus É.A.A. Locard, 1899 - (UNIONIDAE)
- Mundaria, syn of: Genus Albinaria W. von Vest, 1867 (CLAUSILIIDAE)
- Mundaspira, syn of: Genus Amalda H. Adams & A. Adams, 1853 (ANCILLARIIDAE)
- mundeformata, Barbatia mundeformata (C.R. Laws, 1939 †) - (ARCIDAE) (FOSSIL)
- mundegana, Anodonta mundegana É.A.A. Locard, 1899 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- mundevillae, Trachyceras mundevillae Mojsisovics, 1882 † - syn of: Frankites regoledanus (Mojsisovics, 1869 †) - (TRACHYCERATIDAE) (FOSSIL)
- mundiperditi, Plekocheilus mundiperditi F. Haas, 1955 - (AMPHIBULIMIDAE)
- Mundiphaedusa, Subgenus Megalophaedusa (Mundiphaedusa) H. Minato, 1979 (CLAUSILIIDAE)
- Mundiphaedusa, syn of: Genus Mundophaedusa J.T. Kuroda & T. Habe, 1958 (CLAUSILIIDAE)
- munditia, Crosseola munditia C.R. Laws, 1936 † - (CROSSEOLIDAE) (FOSSIL)
- Munditia, Genus Munditia H.J. Finlay, 1927 (LIOTIIDAE)
- Munditiella, Genus Munditiella J.T. Kuroda & T. Habe, 1952 (SKENEIDAE)
- Mundophaedusa, Genus Mundophaedusa J.T. Kuroda & T. Habe, 1958 (CLAUSILIIDAE)
- mundorffi, Astarte mundorffi H.G. Richards & A. Harbison, 1947 † - (ASTARTIDAE) (FOSSIL)
- mundula, Engina mundula J.C. Melvill & R. Standen, 1885 - (BUCCINIDAE)
- mundula, Seila mundula G.P. Deshayes, 1864 - (CERITHIOPSIDAE)
- mundula, Mauritia scurra mundula F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- mundula, Paraliospira mundula (Ulrich & Scofield, 1897 †) - (EOTOMARIIDAE) (FOSSIL)
- mundula, Melanella mundula (C.B. Adams, 1861) - (EULIMIDAE)
- mundula, Hippocardia mundula (E.M. Fletcher, 1943 †) - (HIPPOCARDIIDAE) (FOSSIL)
- mundula, Brachytomaria mundula (Ulrich & Scofield, 1897 †) - (PHANEROTREMATIDAE) (FOSSIL)
- mundula, Pleuromya mundula † - (PLEUROMYIDAE) (FOSSIL)
- mundula, Pyrgulina mundula (C.B. Adams, 1861) - (PYRAMIDELLIDAE)
- mundula, Rissoella mundula A. Adams, 1860 - (RISSOELLIDAE)
- mundula, Lucidestea mundula (A. Adams, 1860) - (RISSOIDAE)
- mundula, Calthalotia mundula (A. Adams & G.F. Angas, 1864) - (TROCHIDAE)
- mundulum, Conocardium mundulum E.M. Fletcher, 1943 † - syn of: Hippocardia mundula (E.M. Fletcher, 1943 †) - (CONOCARDIIDAE) (FOSSIL)
- mundulus, Venus mundulus L.A. Reeve, 1863 - syn of: Leukoma staminea (T.A. Conrad, 1837) - (VENERIDAE)
- mundum, Fragum mundum (L.A. Reeve, 1845) - (CARDIIDAE)
- mundum, Bothropoma mundum (H. Adams, 1873) - (COLLONIIDAE)
- mundum, Rectilabrum mundum G.P. Deshayes, 1862 † - syn of: Eulima deshayesi A.E.M. Cossmann, 1888 † - (EULIMIDAE) (FOSSIL)
- mundum, Haplopleuroceras mundum Buckman, 1907 † - (HAMMATOCERATIDAE) (FOSSIL)
- mundum, Zaphysema mundum (C.B. Adams) - (SAGDIDAE)
- mundus, Aviculopecten mundus Whidborne, 1897 † - (AVICULOPECTINIDAE) (FOSSIL)
- mundus, Prosipho mundus E.A. Smith, 1915 - (BUCCINIDAE)
- mundus, Amphidromus mundus (L. Pfeiffer, 1853) - (CAMAENIDAE)
- mundus, Parisculites mundus (McLearn, 1947 †) - (EPISCULITIDAE) (FOSSIL)
- mundus, Phanerotinus mundus Whidborne, 1892 † - (EUOMPHALIDAE) (FOSSIL)
- mundus, Pectunculus mundus G.B. III Sowerby, 1903 - syn of: Glycymeris munda (G.B. III Sowerby, 1903) - (GLYCYMERIDIDAE)
- mundus, Lecanites mundus McLearn, 1947 † - syn of: Parisculites mundus (McLearn, 1947 †) - (LECANITIDAE) (FOSSIL)
- mundus, Antiguraleus mundus (H.H. Suter, 1909) - (MANGELIIDAE)
- mundus, Nassarius mundus (R. Sturany, 1900) - (NASSARIIDAE)
- mundus, Pecten mundus L.A. Reeve, 1853 - syn of: Spathochlamys benedicti (W.H. Dall, 1898) - (PECTINIDAE)
- mundus, Pterinopecten mundus Whidborne, 1897 † - (PTERINOPECTINIDAE) (FOSSIL)
- mundus, Monoplex mundus Gould, 1849 - (RANELLIDAE)
- mundus, Scaphander mundus R.B. Watson, 1883 - (SCAPHANDRIDAE)
- mundus, Pitar mundus (A. Römer, 1861) - (VENERIDAE)
- mundus macleani, Prosipho mundus macleani C. Hedley, 1916 - syn of: Prosipho mundus E.A. Smith, 1915 - (BUCCINIDAE)
- mundyana, Japonia mundyana (H.H. Godwin-Austen, 1889) - (CYCLOPHORIDAE)
- munelana, Helix munelana R. Sturany, 1907 - syn of: Liburnica dochii (R. Sturany, 1907) - (HELICIDAE)
- munensis, Jullienia munensis R.A.M. Brandt, 1974 - (POMATIOPSIDAE)
- munensis, Hydrorissoia munensis R.A.M. Brandt, 1968 - (POMATIOPSIDAE)
- munensis, Harmandia munensis R.A.M. Brandt, 1974 - (UNIONIDAE)
- munensis, Filopaludina martensi munensis (R.A.M. Brandt, 1974) - (VIVIPARIDAE)
- munga, Perrona munga Noetling, 1901 † - (CLAVATULIDAE) (FOSSIL)
- mungwana, Potadoma mungwana H.A. Pilsbry & J.C. Bequaert, 1927 - (PACHYCHILIDAE)
- muniainae, Felimare muniainae (J.A. Ortea & Á. Valdés, 1996) - (CHROMODORIDIDAE)
- muniaini, Hypselodoris muniaini J.A. Ortea & Á. Valdés, 1996 - syn of: Glossodoris ariponensis - (CHROMODORIDIDAE)
- Municeps, Genus Municeps T. Iredale, 1941 (CAMAENIDAE)
- municeps, Eutrephoceras municeps Shimansky, 1975 † - (NAUTILIDAE) (FOSSIL)
- municinus, Volutilithes municinus J.B.P.A. Lamarck, 1803 † - syn of: Volutilithes muricinus (J.B.P.A. Lamarck, 1803 †) - (VOLUTIDAE) (FOSSIL)
- munida, Waipaoa munida W.F. Ponder, 1968 - syn of: Belomitra aoteana (R.K. Dell, 1956) - (CANCELLARIIDAE)
- munida, Cyclochlamys munida H.H. Dijkstra & B.A. Marshall, 2008 - (CYCLOCHLAMYDIDAE)
- munieri, Acteon munieri G.P. Deshayes, 1862 † - (ACTEONIDAE) (FOSSIL)
- munieri, Gastrobulimus munieri M. von P. Hantken, 1878 † - (ANADROMIDAE) (FOSSIL)
- munieri, Anatoma munieri (P. Fischer, 1862) - (ANATOMIDAE)
- munieri, Ancyloceras munieri Reynes, 1876 † - (ANCYLOCERATIDAE) (FOSSIL)
- munieri, Belemnites munieri Eudes-Deslongchamps, 1878 † - syn of: Holcobelus munieri (Eudes-Deslongchamps, 1878 †) - (BELEMNITELLIDAE) (FOSSIL)
- munieri, Pollia munieri Vasseur, 1881 † - (BUCCINIDAE) (FOSSIL)
- munieri, Hoplitoides munieri Pervinquiére, 1907 † - syn of: Wrightoceras munieri (Pervinquiére, 1907 †) - (COILOPOCERATIDAE) (FOSSIL)
- munieri, Crioceratites munieri Sarasin & Schondelmayer, 1902 † - (CRIOCERATITIDAE) (FOSSIL)
- munieri, Cuspidaria munieri P. Dautzenberg & H. Fischer, 1897 - syn of: Cuspidaria circinata (J.G. Jeffreys, 1876) - (CUSPIDARIIDAE)
- munieri, Honnoratia munieri (Sarasin & Schondelmayer, 1902 †) - (EMERICICERATIDAE) (FOSSIL)
- munieri, Dumortieria munieri (Haug †) - (HILDOCERATIDAE) (FOSSIL)
- munieri, Holcobelus munieri (Eudes-Deslongchamps, 1878 †) - (HOLCOBELIDAE) (FOSSIL)
- munieri, Hamulinites munieri (M. Nicklés, 1894 †) - (LEPTOCERATOIDIDAE) (FOSSIL)
- munieri, Melanopsis munieri Roule, 1884 † - (MELANOPSIDAE) (FOSSIL)
- munieri, Eocolina munieri (G.P. Deshayes, 1864 †) - (NEWTONIELLIDAE) (FOSSIL)
- munieri, Tricolia munieri (C. Vélain, 1877) - (PHASIANELLIDAE)
- munieri, Phasianella munieri C. Vélain, 1877 - syn of: Tricolia munieri (C. Vélain, 1877) - (PHASIANELLIDAE)
- munieri, Limarca munieri (F. Bernard, 1896) - (PHILOBRYIDAE)
- munieri, Wrightoceras munieri (Pervinquiére, 1907 †) - (PSEUDOTISSOTIIDAE) (FOSSIL)
- munieri, Matheronia munieri Paquier † - (REQUIENIIDAE) (FOSSIL)
- munieri, Rissoa munieri Szöts, 1953 † - (RISSOIDAE) (FOSSIL)
- munieri, Chedevillia munieri (Chedeville, 1904 † †) - (ROSTELLARIIDAE) (FOSSIL)
- munieri, Scissurella munieri P. Fischer, 1862 - syn of: Anatoma munieri (P. Fischer, 1862) - (SCISSURELLIDAE)
- munieri, Turbo munieri Vasseur, 1881 † - (TURBINIDAE) (FOSSIL)
- munieriana, Nassa munieriana J.C.H. Crosse, 1864 - syn of: Nassarius nigellus (L.A. Reeve, 1854) - (NASSARIIDAE)
- Muniericeras, Genus Muniericeras de Grossouvre, 1894 † (MUNIERICERATIDAE) (FOSSIL)
- MUNIERICERATIDAE Wright, 1952 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-DESMOCERATOIDEA [Superfamily]) (FOSSIL)
- munini, Colpomya munini Liljedahl, 1994 † - (MODIOMORPHIDAE) (FOSSIL)
- munipurensis, Chersaecia munipurensis (H.H. Godwin-Austen, 1875) - (PLECTOPYLIDAE)
- munita, Cerithiopsis munita P.P. Carpenter, 1864 - (CERITHIOPSIDAE)
- munita, Chondrula munita (C.A. Westerlund, 1894) - (ENIDAE)
- munita, Sabinella munita (C. Hedley, 1903) - (EULIMIDAE)
- munita, Eulima munita C. Hedley, 1903 - syn of: Sabinella munita (C. Hedley, 1903) - (EULIMIDAE)
- munita, Macroschisma munita T. Iredale, 1940 - (FISSURELLIDAE)
- munita, Gastrocopta munita (P.H. Reibisch, 1892) - (GASTROCOPTIDAE)
- munita, Dentarene munita T. Iredale, 1929 - (LIOTIIDAE)
- munita, Nerita munita E. Forbes, 1846 - (NERITIDAE)
- munita, Huxleyia munita (W.H. Dall, 1898) - (NUCINELLIDAE)
- munita, Philobrya munita (H.J. Finlay, 1930) - (PHILOBRYIDAE)
- munita, Trigonia munita Cragin, 1905 † - (TRIGONIIDAE) (FOSSIL)
- munitoide, Lirobittium munitum munitoide P. Bartsch, 1911 - (CERITHIIDAE)
- munitoides, Cerithium munitoides T. Habe, 1964 - syn of: Cerithium columna G.B. I Sowerby, 1834 - (CERITHIIDAE)
- munitum, Cerithium munitum G.B. II Sowerby, 1855 - (CERITHIIDAE)
- munitum, Lirobittium munitum (P.P. Carpenter, 1864) - (CERITHIIDAE)
- munitum, Emarginula munitum (T. Iredale, 1940) - syn of: Macroschisma munita T. Iredale, 1940 - (FISSURELLIDAE)
- munitum munitoide, Lirobittium munitum munitoide P. Bartsch, 1911 - (CERITHIIDAE)
- munitus, Trophon munitus J. Marwick, 1934 † - (MURICIDAE) (FOSSIL)
- munitus, Paraturbo munitus (E. Forbes, 1845 †) - (PARATURBINIDAE) (FOSSIL)
- munivakensis, Mangelia munivakensis W.H. Dall, 1919 - (MANGELIIDAE)
- munizi, Turris munizi J.L. Vera-Peláez, R. Vega-Luz & M.C. Lozano, 2000 - (TURRIDAE)
- munsoni, Chondrodonta munsoni (J. Hill, 1893 †) - (CHONDRODONTIDAE) (FOSSIL)
- munsoni, Ostrea munsoni J. Hill, 1893 † - syn of: Chondrodonta munsoni (J. Hill, 1893 †) - (OSTREIDAE) (FOSSIL)
- munsteri, Waagenella munsteri (A.E.J. Férussac & A.V.M.D. D'Orbigny, 1840 †) - (BELLEROPHONTIDAE) (FOSSIL)
- munsteri, Cardinia munsteri (Wissmann, 1841 †) - (CARDINIIDAE) (FOSSIL)
- munsteri, Worthenia munsteri Klipstein, 1843 † - syn of: Rinaldoella muensteri (Klipstein, 1843 †) - (LOPHOSPIRIDAE) (FOSSIL)
- munsteri, Avicula munsteri H.G. Bronn, 1829 † - (PTERIIDAE) (FOSSIL)
- munsteri, Sporadoceras munsteri von Buch, 1832 - syn of: Sporadoceras muensteri (von Buch, 1832 †) - (SPORADOCERATIDAE)
- munsteri plicatus, Waagenella munsteri plicatus (Ryckholt, 1847 †) - (BELLEROPHONTIDAE) (FOSSIL)
- munsteri reticularis, Sporadoceras munsteri reticularis Kind, 1944 † - syn of: Sporadoceras reticulare Kind, 1944 † - (SPORADOCERATIDAE) (FOSSIL)
- munsterianum, Diarthema munsterianum (A.V.M.D. D'Orbigny, 1850 †) - (APORRHAIDAE) (FOSSIL)
- munsterianus, Fusus munsterianus A.V.M.D. D'Orbigny, 1850 † - syn of: Diarthema munsterianum (A.V.M.D. D'Orbigny, 1850 †) - (FASCIOLARIIDAE) (FOSSIL)
- munsterii, Naesiotus munsterii (A.V.M.D. D'Orbigny, 1837.) - (BULIMULIDAE)
- munsterii, Chionopsis munsterii (A.V.M.D. D'Orbigny, 1842 †) - (VENERIDAE) (FOSSIL)
- muntaneri, Xerocrassa muntaneri L. Gasull, 1963 - syn of: Amandana frater pollenzensis (J.G. Hidalgo, 1878) - (HYGROMIIDAE)
- Munthea, syn of: Genus Limacina L.A.G. d'A. Bosc, 1817 (LIMACINIDAE)
- munthei, Phragmoceras munthei Hedstrom, 1917 † - (PHRAGMOCERATIDAE) (FOSSIL)
- munthei, Phragmoceras munthei Hedström, 1917 † - (PHRAGMOCERATIDAE) (FOSSIL)
- munugudzhensis, Neoshumardites munugudzhensis Kutygin & Ganelin, 2013 † - (SOMOHOLITIDAE) (FOSSIL)
- munus, Heterozaptyx munus (H.A. Pilsbry, 1901) - (CLAUSILIIDAE)
- muongbuensis, Prosopeas muongbuensis V.T. Do, 2014 - (SUBULINIDAE)
- muoni, Palaeozygopleura muoni Tassell, 1982 † - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- murabilis, Palaeomutela murabilis Liang † - (PALAEOMUTELIDAE) (FOSSIL)
- Muracypraea, Genus Muracypraea W.P. Woodring, 1957 (CYPRAEIDAE)
- muradae, Amandana cisternasi muradae (S.H.F. Jaeckel, 1952) - (HYGROMIIDAE)
- murakamii, Actinoceras murakamii T. Kobayashi, 1928 † - (ACTINOCERATIDAE) (FOSSIL)
- murakamii, Ephippodonta murakamii J.T. Kuroda, 1945 - (GALEOMMATIDAE)
- murakamii, Lopha murakamii Nakazawa & Newell, 1968 † - (OSTREIDAE) (FOSSIL)
- murale, Bolloceras murale (Barrande, 1877 †) - (NOTHOCERATIDAE) (FOSSIL)
- murale, Phragmoceras murale Barrande, 1877 † - syn of: Bolloceras murale (Barrande, 1877 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- muralense, Douvilleiceras muralense Stoyanow, 1949 † - (DOUVILLEICERATIDAE) (FOSSIL)
- muralensis, Lima muralensis Stoyanow, 1949 † - (LIMIDAE) (FOSSIL)
- muralia, Strophiops muralia C.J. Maynard & W.F. Clapp, 1921 - (CERIONIDAE)
- muralis, Delima montenegrina muralis (H.C. Küster, 1860) - (CLAUSILIIDAE)
- muralis, Persicula muralis R.B. Hinds, 1844 - syn of: Persicula maculosa (L.C. Kiener, 1834) - (CYSTISCIDAE)
- muralis, Murella muralis (O.F. Müller, 1774) - (HELICIDAE)
- muralis albinosa, Murella muralis albinosa (T.A. de M. Monterosato, 1892) - (HELICIDAE)
- muralis cinefacta, Murella muralis cinefacta (T.A. de M. Monterosato, 1892) - (HELICIDAE)
- muralis ciofaldoi, Murella muralis ciofaldoi (C. Cafici, 1885) - (HELICIDAE)
- muralis corrugata, Murella muralis corrugata (E.A. Rossmässler, 1836) - (HELICIDAE)
- muralis costulata, Murella muralis costulata (L. Benoit, 1857) - (HELICIDAE)
- muralis crispata, Murella muralis crispata (L. Benoit, 1857) - (HELICIDAE)
- muralis drepanensis, Murella muralis drepanensis (L. Pfeiffer, 1856) - (HELICIDAE)
- muralis frivaldszkyi, Murella muralis frivaldszkyi (P. Calcara, 1846) - (HELICIDAE)
- muralis grohmanni, Murella muralis grohmanni (R.A. Philippi, 1836) - (HELICIDAE)
- muralis indistincta, Murella muralis indistincta (T.A. de M. Monterosato, 1892) - (HELICIDAE)
- muralis ingloria, Murella muralis ingloria (T.A. de M. Monterosato, 1892) - (HELICIDAE)
- muralis insularis, Murella muralis insularis (L. Benoit, 1857) - (HELICIDAE)
- muralis magulus, Murella muralis magulus (T.A. de M. Monterosato, 1892) - (HELICIDAE)
- muralis praesolida, Murella muralis praesolida (T.A. de M. Monterosato, 1892) - (HELICIDAE)
- muralis propemuralis, Murella muralis propemuralis (T.A. de M. Monterosato, 1892) - (HELICIDAE)
- muralis provincialis, Murella muralis provincialis (L. Benoit, 1857) - (HELICIDAE)
- muralis riberota, Murella muralis riberota (T.A. de M. Monterosato, 1892) - (HELICIDAE)
- muralis rugosa, Murella muralis rugosa (E.A. Rossmässler, 1835) - (HELICIDAE)
- muralis subcarinata, Murella muralis subcarinata (T.A. de M. Monterosato, 1892) - (HELICIDAE)
- muralis subperba, Murella muralis subperba (T.A. de M. Monterosato, 1892) - (HELICIDAE)
- muralis templorum, Murella muralis templorum (A.E.J. Férussac, 1835) - (HELICIDAE)
- muralis undulata, Murella muralis undulata (A. Michaud, 1831) - (HELICIDAE)
- murallensis, Chondrothyretes gundlachi murallensis C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- muranyii, Bythinella muranyii P. Glöer & Z. Eröss, 2015 - (BYTHINELLIDAE)
- muranyii, Montenegrina fuchsi muranyii Z. Fehér & M. Szekeres, 2006 - (CLAUSILIIDAE)
- muraokai, Xylophaga muraokai H. Turner, 2002 - (XYLOPHAGAIDAE)
- muraria, Albinaria contaminata muraria (A. Schmidt, 1868) - (CLAUSILIIDAE)
- muraria, Helix punctulatus muraria R.T. Lowe, 1831 - (HELICIDAE)
- murata, Sinicola murata (P.M. Heude, 1885) - (PLECTOPYLIDAE)
- murata, Leiopteria murata Whidborne, 1896 † - (PTERINEIDAE) (FOSSIL)
- muratensis, Lucidestea muratensis (B.C. Cotton, 1944) - (RISSOIDAE)
- Murayamaceras, syn of: Genus Polydesmia Lorenz, 1906 † (POLYDESMIIDAE) (FOSSIL)
- murayamai, Euhadra murayamai T. Habe, 1976 - (BRADYBAENIDAE)
- murayamai, Admete murayamai (M. Yokoyama, 1926 †) - (CANCELLARIIDAE) (FOSSIL)
- murayamai, Mizuhopecten murayamai (Yokoyama 1926) † - (PECTINIDAE) (FOSSIL)
- murca, Mourgona murca Er. Marcus & Ev. Marcus, 1970 - (CALIPHYLLIDAE)
- Murchinsonia, syn of: Genus Murchisonia d'Archiac & Verneuil, 1841 † (MURCHISONIIDAE) (FOSSIL)
- murchisonae, Ludwigia murchisonae (J. de C. Sowerby, 1825 †) - (GRAPHOCERATIDAE) (FOSSIL)
- murchisonae, Vertigo murchisonae Moore † - (VERTIGINIDAE) (FOSSIL)
- Murchisonella, Genus Murchisonella O.A.L. Mörch, 1875 (MURCHISONELLIDAE)
- MURCHISONELLIDAE Casey, 1904 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-MURCHISONELLOIDEA [Superfamily])
- murchisoni, Ascoceras murchisoni Barrande † - (ASCOCERATIDAE) (FOSSIL)
- murchisoni, Bellerophon murchisoni d'Archiac & de Verneuil, 1842 † - (BELLEROPHONTIDAE) (FOSSIL)
- murchisoni, Cephalaspis murchisoni Egerton, 1857 † - (CEPHALASPIDAE) (FOSSIL)
- murchisoni, Gisortia murchisoni (d'Archaic & Haime, 1854 †) - (CYPRAEIDAE) (FOSSIL)
- murchisoni, Ambercyclus murchisoni (Münster, 1844 †) - (EUCYCLIDAE) (FOSSIL)
- murchisoni, Amberleya murchisoni Münster, 1893 † - syn of: Ambercyclus murchisoni (Münster, 1844 †) - (EUCYCLIDAE) (FOSSIL)
- murchisoni, Spisula murchisoni (L.A. Reeve, 1854) - (MACTRIDAE)
- murchisoni, Cyrtoceras murchisoni Barrande, 1867 † - syn of: Protophragmoceras murchisoni (Barrande, 1867 †) - (ONCOCERIDA (unassigned)) (FOSSIL)
- murchisoni, Palaeomutela murchisoni Amalitsky, 1892 † - (PALAEOMUTELIDAE) (FOSSIL)
- murchisoni, Protophragmoceras murchisoni (Barrande, 1867 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- murchisoni, Pteria murchisoni H.B. Geinitz, 1861 † - (PTERIIDAE) (FOSSIL)
- murchisoni, Verneuilites murchisoni Librovitch, 1941 † - (RETICULOCERATIDAE) (FOSSIL)
- murchisoni, Hippochrenes murchisoni G.P. Deshayes, 1865 † - (ROSTELLARIIDAE) (FOSSIL)
- murchisoni, Pharetrolites murchisoni (A.E.J. Férussac & A.V.M.D. D'Orbigny, 1840 †) - (TROPIDODISCIDAE) (FOSSIL)
- Murchisonia, Genus Murchisonia d'Archiac & Verneuil, 1841 † (MURCHISONIIDAE) (FOSSIL)
- murchisoniaeformis, Pleurotomaria murchisoniaeformis C. Gemmellaro, 1889 † - (PLEUROTOMARIIDAE) (FOSSIL)
- murchisoniana, Edmondia murchisoniana King, 1848 † - syn of: Edmondia elongata Howse, 1848 † - (EDMONDIIDAE) (FOSSIL)
- murchisonianus, Ceratites murchisonianus (de Koninck, 1863 †) - (CERATITIDAE) (FOSSIL)
- murchisonianus, Unio murchisonianus I. Lea, 1834 - syn of: Nodularia douglasiae (J.E. Gray in E. Griffith & E. Pidgeon, 1834) - (UNIONIDAE)
- Murchisoniceras, Genus Murchisoniceras Babin, 1966 † (ORTHOCERIDA (UNASSIGNED)) (FOSSIL)
- Murchisoniealla, syn of: Genus Murchisonella O.A.L. Mörch, 1875 (MURCHISONELLIDAE)
- murchisonii, Caestocorbula murchisonii (Lea, 1833 †) - (CORBULIDAE) (FOSSIL)
- MURCHISONIIDAE Koken, 1896 † - Family (GASTROPODA-ORTHOGASTROPODA [Subclass]-MURCHISONIINA [Order]-MURCHISONIOIDEA [Superfamily]) (FOSSIL)
- MURCHISONIOIDEA (UNASSIGNED) - Family (GASTROPODA-ORTHOGASTROPODA [Subclass]-MURCHISONIINA [Order]-MURCHISONIOIDEA [Superfamily]) (FOSSIL)
- murchlsonl, Murchisoniceras murchlsonl (Barrande, 1868 †) - (ORTHOCERIDA (UNASSIGNED)) (FOSSIL)
- Murcia, syn of: Genus Anomalocardia H.C.F. Schumacher, 1817 (VENERIDAE)
- murciai, Joculator murciai A. Cecalupo & I. Perugia, 2014 - (CERITHIOPSIDAE)
- murcica, Otala lactea murcica (E.A. Rossmässler, 1854) - (HELICIDAE)
- murcica, Xerocrassa murcica A. Guirao in L. Pfeiffer, 1859 - syn of: Amandana subrogata (L. Pfeiffer, 1853) - (HYGROMIIDAE)
- murcida, Partula varia murcida L. Pfeiffer, 1855 - (PARTULIDAE)
- Murdochella, Genus Murdochella H.J. Finlay, 1926 (NYSTIELLIDAE)
- murdochi, Bathytoma murdochi H.J. Finlay, 1930 - (BORSONIIDAE)
- murdochi, Pleuromeris murdochi Powell, 1938 † - (CARDITIDAE) (FOSSIL)
- murdochi, Zaclys murdochi B.A. Marshall, 1978 - (CERITHIOPSIDAE)
- murdochi, Paxula murdochi H.J. Finlay, 1927 - syn of: Paxula transitans (R. Murdoch, 1905) - (COLUMBELLIDAE)
- murdochi, Tornatina murdochi H.H. Suter, 1913 - syn of: Relichna simplex (É.A.A. Locard, 1897) - (CYLICHNIDAE)
- murdochi, Fusceulima murdochi (C. Hedley, 1904) - (EULIMIDAE)
- murdochi, Neoguraleus murdochi (H.J. Finlay, 1924) - (MANGELIIDAE)
- murdochi, Plaxiphora murdochi H.H. Suter, 1905 - (MOPALIIDAE)
- murdochi, Terefundus murdochi (J. Marwick, 1924 †) - (MURICIDAE) (FOSSIL)
- murdochi, Phrixgnathus murdochi (H.H. Suter, 1894) - (PUNCTIDAE)
- murdochi, Laoma murdochi H.H. Suter, 1894 - syn of: Phrixgnathus murdochi (H.H. Suter, 1894) - (PUNCTIDAE)
- murdochi, Odostomia murdochi H.H. Suter, 1913 - (PYRAMIDELLIDAE)
- murdochi, Relichna murdochi (H.H. Suter, 1913) - (RETUSIDAE)
- murdochi, Zeacuminia murdochi Powell, 1931 † - (TEREBRIDAE) (FOSSIL)
- murdochi, Marama murdochi J. Marwick, 1927 † - (VENERIDAE) (FOSSIL)
- murdochi, Alcithoe murdochi (J. Marwick, 1926 †) - (VOLUTIDAE) (FOSSIL)
- Murdochia, syn of: Genus Cytora W. Kobelt & O.F. von Möllendorff, 1897 (LIAREIDAE)
- murdochiana, Oenopota murdochiana (W.H. Dall, 1885) - (MANGELIIDAE)
- murdochiana, Bela murdochiana W.H. Dall, 1885 - syn of: Oenopota murdochiana (W.H. Dall, 1885) - (MANGELIIDAE)
- murdochiana, Lora murdochiana W.H. Dall, 1885 - syn of: Oenopota murdochiana (W.H. Dall, 1885) - (TURRIDAE)
- Muregina, Genus Muregina G.J. Vermeij, 1998 (MURICIDAE)
- Murella, Subgenus Marmorana (Murella) L. Pfeiffer, 1877 (HELICIDAE)
- murenica, Parailsanella murenica Esakova & H. Zhegallo, 1996 † - (TRENELLIDAE) (FOSSIL)
- murensis, Ganesella murensis T.D.A. Cockerell, 1926 - syn of: Bradybaena virgo H.A. Pilsbry, 1927 - (CAMAENIDAE)
- muretensis, Teschenites muretensis (Breistroffer, 1936 †) - (NEOCOMITIDAE) (FOSSIL)
- Muretia, syn of: Genus Trimusculus A. Schmidt, 1818 (TRIMUSCULIDAE)
- Murex, Genus Murex C. Linnaeus, 1758 (MURICIDAE)
- murex, Lindapterys murex (C. Hedley, 1922) - (MURICIDAE)
- murex, Daphnellopsis murex C. Hedley, 1922 - syn of: Lindapterys murex (C. Hedley, 1922) - (MURICIDAE)
- Murexiella, Subgenus Favartia (Murexiella) W.J. Clench & I. Pérez Farfante, 1945 (MURICIDAE)
- Murexsul, Genus Murexsul T. Iredale, 1915 (MURICIDAE)
- Murexul, syn of: Genus Murexsul T. Iredale, 1915 (MURICIDAE)
- murgabense, Bransonoceras murgabense Leonova, 1989 † - (METALEGOCERATIDAE) (FOSSIL)
- murgabensis, Crimites murgabensis Pavlov, 1967 † - (ADRIANITIDAE) (FOSSIL)
- murgensis, Eoradiolites murgensis C. de la Torre, 1965 † - (RADIOLITIDAE) (FOSSIL)
- murgescui, Viviparus murgescui Cobalcescu, 1883 † - (VIVIPARIDAE) (FOSSIL)
- muri, Sinployea muri F.J. Brook, 2010 - (CHAROPIDAE)
- muriatica, Apachecorbula muriatica P.G. Oliver & Vestheim, 2015 - (CORBULIDAE)
- muriatica, Hydrobia muriatica R.A. Philippi, 1836 - syn of: Hydrobia cornea (A. Risso, 1826) - (HYDROBIIDAE)
- Muricantha, syn of: Genus Hexaplex G. Perry, 1811 (MURICIDAE)
- Muricantharus, syn of: Genus Cantharus P.F. Röding, 1798 (BUCCINIDAE)
- Muricanthus, syn of: Genus Hexaplex G. Perry, 1811 (MURICIDAE)
- Muricassis, Genus Muricassis † (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- muricata, Angaria muricata (L.A. Reeve, 1843) - (ANGARIIDAE)
- muricata, Calliotropis muricata (M.M. Schepman, 1908) - (CALLIOTROPIDAE)
- muricata, Dallocardia muricata (C. Linnaeus, 1758) - (CARDIIDAE)
- muricata, Cardita muricata Sowerby, 1832 - (CARDITIDAE)
- muricata, Cardita muricata K.L. Lamprell & T. Whitehead, 1992 - syn of: Cardita pica L.A. Reeve, 1843 - (CARDITIDAE)
- muricata, Phalium muricata Finlay, 1926 † - (CASSIDAE) (FOSSIL)
- muricata, Phalium muricata K.T. Menke, 1829 - syn of: Phalium bandatum Perry, 1811 - (CASSIDAE)
- muricata, Chama muricata G.S. Poli, 1795 - syn of: Glans trapezia (C. Linnaeus, 1767) - (CHAMIDAE)
- muricata, Chama muricata P.F. Röding, 1798 - syn of: Chama asperella J.B.P.A. Lamarck, 1819 - (CHAMIDAE)
- muricata, Clavatula muricata (J.B.P.A. Lamarck, 1822) - (CLAVATULIDAE)
- muricata, Colubraria muricata (J. Lightfoot, 1786) - (COLUBRARIIDAE)
- muricata, Cryptaulax muricata (J. de C. Sowerby, 1825 †) - (CRYPTAULACIDAE) (FOSSIL)
- muricata, Doris muricata O.F. Müller, 1776 - syn of: Onchidoris muricata (O.F. Müller, 1776) - (DORIDIDAE)
- muricata, Epitonium muricata L.C. Kiener, 1838 - syn of: Epitonium foliaceicosta d'Orbigny, 1842 - (EPITONIIDAE)
- muricata, Epitonium muricata G.B. Sowerby, 1844 - syn of: Epitonium foliaceicosta d'Orbigny, 1842 - (EPITONIIDAE)
- muricata, Amphiscapha muricata (Knight, 1934 †) - (EUOMPHALIDAE) (FOSSIL)
- muricata, Fissurella muricata L.A. Reeve, 1850 - syn of: Fissurella picta (J.F. Gmelin, 1791) - (FISSURELLIDAE)
- muricata, Helicotoma planulata muricata Salter, 1859 † - (HELICOTOMIDAE) (FOSSIL)
- muricata, Lucinisca muricata (L. Spengler, 1798) - (LUCINIDAE)
- muricata, Nebularia muricata (W.J. Broderip, 1836) - (MITRIDAE)
- muricata, Neorapana muricata (W.J. Broderip, 1832) - (MURICIDAE)
- muricata, Trophonopsis muricata (G. Montagu, 1803) - (MURICIDAE)
- muricata, Pascula muricata (L.A. Reeve, 1846) - (MURICIDAE)
- muricata, Hebra muricata J.R.C. Quoy & J.P. Gaimard, 1833 - syn of: Hebra horrida (R.W. Dunker, 1847) - (NASSARIIDAE)
- muricata, Nassa muricata J.R.C. Quoy & J.P. Gaimard, 1833 - syn of: Hebra horrida (R.W. Dunker, 1847) - (NASSARIIDAE)
- muricata, Onchidoris muricata (O.F. Müller, 1776) - (ONCHIDORIDIDAE)
- muricata, Lamellidoris muricata O.F. Müller, 1776 - syn of: Onchidoris muricata (O.F. Müller, 1776) - (ONCHIDORIDIDAE)
- muricata, Patella muricata G.B. Brocchi, 1814 - syn of: Calyptraea chinensis (C. Linnaeus, 1758) - (PATELLIDAE)
- muricata, Mimachlamys muricata J.F. Gmelin, 1791 - syn of: Mimachlamys varia (C. Linnaeus, 1758) - (PECTINIDAE)
- muricata, Pinna muricata C. Linnaeus, 1758 - (PINNIDAE)
- muricata, Plicatula muricata G.B. II Sowerby, 1873 - (PLICATULIDAE)
- muricata, Provanna muricata A. Warén & P. Bouchet, 1986 - (PROVANNIDAE)
- muricata, Pteria muricata L.A. Reeve, 1857 - syn of: Pinctada maculata (A.A. Gould, 1850) - (PTERIIDAE)
- muricata, Pinctada muricata L.A. Reeve, 1857 - syn of: Pinctada maculata (A.A. Gould, 1850) - (PTERIIDAE)
- muricata, Turbonilla muricata (P.P. Carpenter, 1857) - (PYRAMIDELLIDAE)
- muricata, Gymnobela muricata A.V. Sysoev, 1997 - (RAPHITOMIDAE)
- muricata, Serpula muricata I. von Born, 1780 - syn of: Tenagodus anguinus (C. Linnaeus, 1758) - (SILIQUARIIDAE)
- muricata, Turritella muricata J. de C. Sowerby, 1825 † - syn of: Cryptaulax muricata (J. de C. Sowerby, 1825 †) - (TURRITELLIDAE) (FOSSIL)
- muricata, Voluta muricata I. von Born, 1778 - syn of: Vasum muricatum (I. von Born, 1778) - (VOLUTIDAE)
- muricata conica, Clavatula muricata conica (F.E. Edwards, 1857) - (CLAVATULIDAE)
- muricata horrida, Nassa muricata horrida R.W. Dunker, 1847 - syn of: Hebra horrida (R.W. Dunker, 1847) - (NASSARIIDAE)
- muricata minor, Trophonopsis muricata minor É.A.A. Locard, 1897 - syn of: Trophonopsis muricata (G. Montagu, 1803) - (MURICIDAE)
- muricata miocaenica, Pholas dactylus muricata miocaenica A.E.M. Cossmann & M.A. Peyrot, 1916 - (PHOLADIDAE)
- muricatoides, Trophonofusus muricatoides (M. Yokoyama, 1920) - (FASCIOLARIIDAE)
- muricatoides, Trophon muricatoides M. Yokoyama, 1920 - syn of: Trophonofusus muricatoides (M. Yokoyama, 1920) - (MURICIDAE)
- muricatoides, Turbonilla muricatoides W.H. Dall & P. Bartsch, 1907 - (PYRAMIDELLIDAE)
- muricatum, Buccinum muricatum J.R.C. Quoy & J.P. Gaimard, 1833 - syn of: Hebra horrida (R.W. Dunker, 1847) - (BUCCINIDAE)
- muricatum, Cerithium muricatum Makowski, 1952 † - syn of: Cryptaulax undulata (Eudes-Deslongchamps, 1842 †) - (CERITHIIDAE) (FOSSIL)
- muricatum, Cerithium muricatum Brösamlen, 1909 † - syn of: Cryptaulax undulata (Eudes-Deslongchamps, 1842 †) - (CERITHIIDAE) (FOSSIL)
- muricatum, Cerithium muricatum J. de C. Sowerby, 1825 † - syn of: Cryptaulax muricata (J. de C. Sowerby, 1825 †) - (CERITHIIDAE) (FOSSIL)
- muricatum, Epitonium muricatum (A. Risso, 1826) - (EPITONIIDAE)
- muricatum, Epitonium muricatum (C.R. Laws, 1933 †) - (EPITONIIDAE) (FOSSIL)
- muricatum, Cerithidea muricatum G.B. II Sowerby, 1855 - syn of: Cerithideopsilla cingulata (J.F. Gmelin, 1791) - (POTAMIDIDAE)
- muricatum, Rhabdocolpus muricatum (Sowerby, 1825 †) - (PROCERITHIIDAE) (FOSSIL)
- muricatum, Procerithium muricatum C. Bosch, 1998 † - syn of: Rhabdocolpus muricatum (Sowerby, 1825 †) - (PROCERITHIIDAE) (FOSSIL)
- muricatum, Lotoria muricatum P.F. Röding, 1798 - syn of: Ranularia pyrum (C. Linnaeus, 1758) - (RANELLIDAE)
- muricatum, Globonema muricatum (Lindström, 1884 †) - (TROCHONEMATIDAE) (FOSSIL)
- muricatum, Vasum muricatum (I. von Born, 1778) - (TURBINELLIDAE)
- muricaturn, Cerithium muricaturn Hudleston, 1880 † - syn of: Procerithium russiense (A.V.M.D. D'Orbigny, 1845 †) - (CERITHIIDAE) (FOSSIL)
- muricatus, Rhinoclavis muricatus P.F. Röding, 1798 - syn of: Rhinoclavis sinensis (J.F. Gmelin, 1791) - (CERITHIIDAE)
- muricatus, Cenchritis muricatus (C. Linnaeus, 1758) - (LITTORINIDAE)
- muricatus, Trophon muricatus (G. Montagu, 1803 †) - (MURICIDAE) (FOSSIL)
- muricatus, Pholas muricatus E.M. Da Costa, 1778 - syn of: Pholas dactylus C. Linnaeus, 1758 - (PHOLADIDAE)
- muricatus, Tenagodus muricatus (I. von Born, 1780) - (SILIQUARIIDAE)
- muricatus, Spondylus muricatus J.C. Chenu, 1845 - syn of: Spondylus sinensis K. Schreibers, 1793 - (SPONDYLIDAE)
- muricatus, Trochus muricatus C. Linnaeus, 1758 - syn of: Cenchritis muricatus (C. Linnaeus, 1758) - (TROCHIDAE)
- muricatus, Turbo muricatus G.W. Nowell-Usticke, 1959 - syn of: Turbo castanea J.F. Gmelin, 1791 - (TURBINIDAE)
- muricatus albinus, Trophon muricatus albinus F. Settepassi, 1977 - syn of: Trophonopsis muricata (G. Montagu, 1803) - (MURICIDAE)
- muricatus albinus, Trophonopsis muricatus albinus F. Settepassi, 1977 ex T.A. de M. Monterosato MS - syn of: Trophonopsis muricata (G. Montagu, 1803) - (MURICIDAE)
- muricatus aspera, Trophon muricatus aspera T.A. de M. Monterosato in M.E.J. Bucquoy & P. Dautzenberg, 1882 - syn of: Trophonopsis muricata (G. Montagu, 1803) - (MURICIDAE)
- muricatus barvicensis, Trophonopsis muricatus barvicensis G. Johnston, 1825 - syn of: Trophonopsis barvicensis (G. Johnston, 1825) - (MURICIDAE)
- muricatus lactea, Trophon muricatus lactea J.G. Jeffreys, 1867 - syn of: Trophonopsis muricata (G. Montagu, 1803) - (MURICIDAE)
- muricatus major, Trophon muricatus major F. Settepassi, 1977 - syn of: Trophonopsis muricata (G. Montagu, 1803) - (MURICIDAE)
- muricatus major, Trophon muricatus major T.A. de M. Monterosato in M.E.J. Bucquoy & P. Dautzenberg, 1882 - syn of: Trophonopsis muricata (G. Montagu, 1803) - (MURICIDAE)
- muricatus minor, Trophonopsis muricatus minor É.A.A. Locard, 1897 - syn of: Trophonopsis muricata (G. Montagu, 1803) - (MURICIDAE)
- muricatus minor, Trophon muricatus minor T.A. de M. Monterosato in M.E.J. Bucquoy & P. Dautzenberg, 1882 - syn of: Trophonopsis muricata (G. Montagu, 1803) - (MURICIDAE)
- Muriceras, Genus Muriceras Flower, 1964 † (ELLESMEROCERATIDAE) (FOSSIL)
- MURICIDAE Rafinesque, 1815 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-NEOGASTROPODA [Order]-MURICOIDEA [Superfamily])
- Muricidea, syn of: Genus Trophon P.D. Montfort, 1810 (MURICIDAE)
- muriciformis, Buccinum muriciformis P.P. King & W.J. Broderip, 1833 - syn of: Xymenopsis muriciformis (P.P. King, 1832) - (BUCCINIDAE)
- muriciformis, Pugilina muriciformis A.E.M. Cossmann & G. Pissarro, 1909 † - (MELONGENIDAE) (FOSSIL)
- muriciformis, Xymenopsis muriciformis (P.P. King, 1832) - (MURICIDAE)
- muriciformis, Eupleura muriciformis (W.J. Broderip, 1833) - (MURICIDAE)
- muriciformis, Trophon muriciformis Köning, 1831 † - (MURICIDAE) (FOSSIL)
- muriciformis, Trophon muriciformis W.H. Dall, 1887 - syn of: Nodulotrophon coronatus (H. Adams & A. Adams, 1864) - (MURICIDAE)
- muriciformis, Ranella muriciformis W.J. Broderip, 1833 - syn of: Eupleura muriciformis (W.J. Broderip, 1833) - (RANELLIDAE)
- muriciformis decolor, Xymenopsis muriciformis decolor (R.A. Philippi, 1845) - (MURICIDAE)
- muriciformis limata, Eupleura muriciformis limata W.H. Dall, 1890 - syn of: Eupleura limata (W.H. Dall, 1890) - (MURICIDAE)
- muricina, Corbula muricina G.P. Deshayes, 1857 † - (CORBULIDAE) (FOSSIL)
- muricina, Purpura muricina H.M.D. de Blainville, 1832 - syn of: Semiricinula turbinoides (H.M.D. de Blainville, 1832) - (MURICIDAE)
- muricina, Drupa muricina P.F. Röding, 1798 - syn of: Indothais sacellum (J.F. Gmelin, 1791) - (MURICIDAE)
- muricina, Distorsio muricina P.F. Röding, 1798 - syn of: Gutturnium muricinum (P.F. Röding, 1798) - (PERSONIDAE)
- muricina, Ranularia muricina P.F. Röding, 1798 - syn of: Gutturnium muricinum (P.F. Röding, 1798) - (RANELLIDAE)
- muricinum, Distorsio muricinum P.F. Röding, 1798 - syn of: Gutturnium muricinum (P.F. Röding, 1798) - (PERSONIDAE)
- muricinum, Gutturnium muricinum (P.F. Röding, 1798) - (RANELLIDAE)
- muricinum, Cymatium muricinum Roeding, 1798 † - (RANELLIDAE) (FOSSIL)
- muricinum, Cymatium muricinum P.F. Röding, 1798 - syn of: Gutturnium muricinum (P.F. Röding, 1798) - (RANELLIDAE)
- muricinum antillarum, Gutturnium muricinum antillarum (P.F. Röding, 1798) - (RANELLIDAE)
- muricinum cercadicum, Gutturnium muricinum cercadicum C.J. Maury, 1917 † - (RANELLIDAE) (FOSSIL)
- muricinus, Pitonnillus muricinus P.D. Montfort, 1810 - syn of: Helicina neritella J.B.P.A. Lamarck, 1801 - (HELICINIDAE)
- muricinus, Volutilithes muricinus (J.B.P.A. Lamarck, 1803 †) - (VOLUTIDAE) (FOSSIL)
- Muricites, syn of: Genus Murex C. Linnaeus, 1758 (MURICIDAE)
- Muricodrupa, Genus Muricodrupa T. Iredale, 1918 (MURICIDAE)
- muricoidea, Raphitoma muricoidea H.M.D. de Blainville, 1829 - syn of: Raphitoma linearis (G. Montagu, 1803) - (RAPHITOMIDAE)
- muricoidea, Pleurotoma muricoidea H.M.D. de Blainville, 1829 - syn of: Raphitoma linearis (G. Montagu, 1803) - (TURRIDAE)
- muricoides, Benoistia muricoides (J.B.P.A. Lamarck, 1804 †) - (BRACHYTREMATIDAE) (FOSSIL)
- muricoides, Burenoceras muricoides Flower, 1964 † - (ELLESMEROCERATIDAE) (FOSSIL)
- muricoides, Fusus muricoides C.B. Adams, 1845 - syn of: Muricopsis caribbaea (P. Bartsch & H.A. Rehder, 1939) - (FASCIOLARIIDAE)
- muricoides, Ithycythara muricoides (C.B. Adams, 1850) - (MANGELIIDAE)
- muricoides, Mangelia muricoides C.B. Adams, 1850 - syn of: Ithycythara muricoides (C.B. Adams, 1850) - (MANGELIIDAE)
- muricoides, Semiricinula muricoides (H.M.D. de Blainville, 1832) - (MURICIDAE)
- muricoides, Purpura muricoides J.B. Hombron & C.H. Jacquinot in C. Rousseau, 1854 - syn of: Muricodrupa fiscella (J.F. Gmelin, 1791) - (MURICIDAE)
- muricoides, Muricopsis muricoides C.B. Adams, 1845 - syn of: Muricopsis caribbaea (P. Bartsch & H.A. Rehder, 1939) - (MURICIDAE)
- muricoides, Purpura muricoides H.M.D. de Blainville, 1832 - syn of: Semiricinula muricoides (H.M.D. de Blainville, 1832) - (MURICIDAE)
- muricolor, Achatinella apexfulva muricolor D.A. Welch, 1942 - (ACHATINELLIDAE)
- Muricopsis, Genus Muricopsis M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1882 (MURICIDAE)
- Muricotrochus, Genus Muricotrochus Cossmann, 1918 † (EPULOTROCHIDAE) (FOSSIL)
- muriculata, Costellaria muriculata J.B.P.A. Lamarck, 1811 - syn of: Nebularia bernhardina (P.F. Röding, 1798) - (COSTELLARIIDAE)
- muriculatus, Lividoconus muriculatus (G.B. I Sowerby, 1833) - (CONIDAE)
- muriculatus, Phos muriculatus A.A. Gould in G.B. II Sowerby, 1859 - (NASSARIIDAE)
- muriculatus laevigata, Conus muriculatus laevigata G.B. I Sowerby, 1833 - syn of: Lividoconus muriculatus (G.B. I Sowerby, 1833) - (CONIDAE)
- muriei, Anabathron muriei P. Bartsch & H.A. Rehder, 1939 - syn of: Onoba muriei (P. Bartsch & H.A. Rehder, 1939) - (ANABATHRIDAE)
- muriei, Onoba muriei (P. Bartsch & H.A. Rehder, 1939) - (RISSOIDAE)
- muriel, Anabathron muriel P. Bartsch & H.A. Rehder, 1939 - syn of: Onoba muriei (P. Bartsch & H.A. Rehder, 1939) - (ANABATHRIDAE)
- murielae, Oliva murielae A.A. Olsson, 1967 † - (OLIVIDAE) (FOSSIL)
- muriellae, Calliostoma muriellae C. Vilvens, 2001 - (CALLIOSTOMATIDAE)
- murificus, Pterygochiton murificus Fucini, 1912 † - syn of: Pterygochiton mirificus Fucini, 1912 † - (MOPALIIDAE) (FOSSIL)
- murihiku, Meridiopyrgus murihiku M. Haase, 2008 - (TATEIDAE)
- Murihikua, Genus Murihikua Begg & Grant-Mackie, 2003 † (PLEUROTOMARIIDAE) (FOSSIL)
- murihikuensis, Eomonotis murihikuensis J. Grant-Mackie, 1980 † - (MONOTIDAE) (FOSSIL)
- murilloi, Turbonilla murilloi A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- murina, Luria murina G.D. Nardo, 1847 - syn of: Luria lurida (C. Linnaeus, 1758) - (CYPRAEIDAE)
- murina, Dendrodoris murina J.J. Risbec, 1928 - (DENDRODORIDIDAE)
- murina, Diodora murina R. Arnold, 1903 - (FISSURELLIDAE)
- murina, Terebra murina B. de Basterot, 1825 † - (TEREBRIDAE) (FOSSIL)
- murinum, Opisthosiphon detectum murinum C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- murinum, Ptychorhynchus murinum (P.M. Heude, 1883) - (UNIONIDAE)
- murirensis, Codalucina murirensis (R.E. Dickerson, 1914 †) - (LUCINIDAE) (FOSSIL)
- muris, Pseudopythina muris J.P. Rosewater, 1984 - syn of: Aligena muris (J.P. Rosewater, 1984) - (KELLIIDAE)
- muris, Aligena muris (J.P. Rosewater, 1984) - (LASAEIDAE)
- murisimilis, Cypraea murisimilis K. Martin, 1879 † - (CYPRAEIDAE) (FOSSIL)
- murita, Cerithium lifuense murita M. Yokoyama in T. Habe, 1928 - (CERITHIIDAE)
- murita, Alzoniella murita H.D. Boeters, 2003 - (HYDROBIIDAE)
- Murithais, syn of: Genus Hexaplex G. Perry, 1811 (MURICIDAE)
- murleyi, Hildaites murleyi Buckman, 1841 † - (HILDOCERATIDAE) (FOSSIL)
- Murleyiceras, syn of: Genus Hildaites Unknown † (HILDOCERATIDAE) (FOSSIL)
- Murmania, Genus Murmania A.V. Martynov, 2006 (FIONIDAE)
- murmanica, Minicheviella murmanica (Kuchinskaja & Y.S. Minichev, 1978) - (ASPERSPINIDAE)
- murmanica, Asperspina murmanica (Kudinskaya & Y.S. Minichev, 1978) - (ASPERSPINIDAE)
- murmanica, Hedylopsis murmanica Kudinskaya & Y.S. Minichev, 1978 - syn of: Asperspina murmanica (Kudinskaya & Y.S. Minichev, 1978) - (HEDYLOPSIDAE)
- muroensis, Amandana prietoi muroensis W. Graack, 2005 - (HYGROMIIDAE)
- murogense, Tolvericeras murogense Hantzpergue, 1989 † - (PERISPHINCTIDAE) (FOSSIL)
- muromtsevae, Cigarella muromtsevae Astaf'yeva, 1988 † - (ATOMODESMATIDAE) (FOSSIL)
- murotonis, Euhadra subnimbosa murotonis J.T. Kuroda & T. Habe, 1949 - (BRADYBAENIDAE)
- murotonis, Mirus japonicus murotonis J.T. Kuroda & T. Habe, 1945 - (ENIDAE)
- Murotriton, Genus Murotriton Gregorio, 1890 † (MURICIDAE) (FOSSIL)
- Murphitella, Genus Murphitella T. Iredale, 1933 (RHYTIDIDAE)
- Murphitys, Genus Murphitys Popenoe & Saul, 1987 † (PERISSITYIDAE) (FOSSIL)
- Murphydoris, Genus Murphydoris J.B. Sigurdsson, 1991 (GONIODORIDIDAE)
- murphyi, Pseudoshasticrioceras murphyi (Delanoy, 1992 †) - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- murphyi, Ngairea murphyi (J.C. Cox, 1864) - (CHAROPIDAE)
- murphyi, Emericiceras murphyi Delanoy, 1992 † - syn of: Pseudoshasticrioceras murphyi (Delanoy, 1992 †) - (EMERICICERATIDAE) (FOSSIL)
- murphyi, Oxyspira murphyi Blodgett & Johnson, 1992 † - (MEEKOSPIRIDAE) (FOSSIL)
- murphyi, Pitar murphyi Zinsmeister, 1983 † - (VENERIDAE) (FOSSIL)
- murraviana, Notoluponia murraviana (R. Tate, 1890 † †) - (CYPRAEIDAE) (FOSSIL)
- murravianus, Conus murravianus Tate, 1890 † - (CONIDAE) (FOSSIL)
- murrawolga, Comitas murrawolga (T.A. Garrard, 1961) - (PSEUDOMELATOMIDAE)
- murrayae, Melanella murrayae B.C. Cotton & F.C. Godfrey, 1932 - syn of: Melanella augur (G.F. Angas, 1865) - (EULIMIDAE)
- murrayae, Eulima murrayae B.C. Cotton & F.C. Godfrey, 1932 - syn of: Melanella augur (G.F. Angas, 1865) - (EULIMIDAE)
- murrayae, Zeatrophon murrayae C.A. Fleming, 1943 † - (MURICIDAE) (FOSSIL)
- murrayana, Aeolidia murrayana W. Macgillivray, 1843 - syn of: Aeolidia papillosa (C. Linnaeus, 1761) - (AEOLIDIIDAE)
- murrayana, Cardita murrayana R. Tate, 1886 † - (CARDITIDAE) (FOSSIL)
- murrayana, Elsothera murrayana (L. Pfeiffer, 1864) - (CHAROPIDAE)
- murrayana, Peristernia murrayana R. Tate, 1888 † - (FASCIOLARIIDAE) (FOSSIL)
- murrayana, Loxonema murrayana Salter, 1859 † - (LOXONEMATIDAE) (FOSSIL)
- murrayana, Annachlamys murrayana (R. Tate, 1886 †) - (PECTINIDAE) (FOSSIL)
- murrayana, Macoma murrayana (A.E. Salisbury, 1934) - (TELLINIDAE)
- murrayana, Tellina murrayana A.E. Salisbury, 1934 - syn of: Macoma murrayana (A.E. Salisbury, 1934) - (TELLINIDAE)
- murrayana, Maoricolpus murrayana (R. Tate, 1885 †) - (TURRITELLIDAE) (FOSSIL)
- murrayana, Periglypta murrayana (R. Tate, 1887 †) - (VENERIDAE) (FOSSIL)
- murrayanum, Peltoceras murrayanum (Leckenby ex Simpson MS) † - (ASPIDOCERATIDAE) (FOSSIL)
- murrayensis, Arctica murrayensis Warren, 1933 † - (ARCTICIDAE) (FOSSIL)
- murrayensis, Panopea murrayensis Warren, 1933 † - (HIATELLIDAE) (FOSSIL)
- murrayensis, Longobardites murrayensis Tozer, 1994 † - (LONGOBARDITIDAE) (FOSSIL)
- murrayensis, Goniobasis murrayensis I. Lea - (PLEUROCERIDAE)
- murrayensis, Nanaphora murrayensis C.F. Laseron, 1958 - (TRIPHORIDAE)
- murrayensis, Unio murrayensis I. Lea, 1868 - syn of: Pleurobema stabilis (I. Lea, 1861) - (UNIONIDAE)
- murrayi, Ancilla murrayi R.N. Kilburn, 1981 - (ANCILLARIIDAE)
- murrayi, Phalium murrayi G. Schmelz, 1996 † - (CASSIDAE) (FOSSIL)
- murrayi, Cirrothauma murrayi C. Chun, 1911 - (CIRROTEUTHIDAE)
- murrayi, Idonearca murrayi L.W. Stephenson, 1941 † - (CUCULLAEIDAE) (FOSSIL)
- murrayi, Rengea murrayi (E.A. Smith, 1885) - (CUSPIDARIIDAE)
- murrayi, Escalima murrayi (E.A. Smith, 1891) - (LIMIDAE)
- murrayi, Lima murrayi E.A. Smith, 1891 - syn of: Escalima murrayi (E.A. Smith, 1891) - (LIMIDAE)
- murrayi, Orecopia murrayi Tassell, 1978 † - (OMPHALOTROCHIDAE) (FOSSIL)
- murrayi, Catillopecten murrayi (Smith, 1885) - (PROPEAMUSSIIDAE)
- murrayi, Fusitriton murrayi (E.A. Smith, 1891) - (RANELLIDAE)
- murrayi, Priene murrayi E.A. Smith, 1891 - syn of: Fusitriton murrayi (E.A. Smith, 1891) - (RANELLIDAE)
- murrayi, Argobuccinum murrayi E.A. Smith, 1891 - syn of: Fusitriton murrayi (E.A. Smith, 1891) - (RANELLIDAE)
- murrayi, Murrayoceras murrayi (Billings, 1857 †) - (SACTORTHOCERATIDAE) (FOSSIL)
- murrayi, Sepia murrayi W. Adam & P.A. van Rees, 1966 - (SEPIIDAE)
- murrayi, Tainoceras murrayi Miller & Unklesbay, 1942 † - (TAINOCERATIDAE) (FOSSIL)
- murrayi, Afsharius murrayi (E.A. Smith, 1885) - (TELLINIDAE)
- murrayi, Tellina murrayi A.W. Grabau & S.G. King, 1928 - syn of: Macoma murrayana (A.E. Salisbury, 1934) - (TELLINIDAE)
- murrayi, Teredo murrayi C.E. von Moll, 1931 - syn of: Spathoteredo obtusa (P.B. Sivickis, 1928) - (TEREDINIDAE)
- murrayi, Spathoteredo murrayi C.E. von Moll, 1931 - syn of: Spathoteredo obtusa (P.B. Sivickis, 1928) - (TEREDINIDAE)
- murrayi, Tindaria murrayi (J. Knudsen, 1967) - (TINDARIIDAE)
- murrayi, Gemmula murrayi A.W.B. Powell, 1964 - (TURRIDAE)
- murrayi, Policordia murrayi (J. Knudsen, 1967) - (VERTICORDIIDAE)
- murrayi, Xylophaga murrayi J. Knudsen, 1967 - (XYLOPHAGAIDAE)
- murrayi relegata, Escalima murrayi relegata T. Iredale, 1929 - syn of: Escalima murrayi (E.A. Smith, 1891) - (LIMIDAE)
- Murrayoceras, Genus Murrayoceras Foerste, 1926 † (SACTORTHOCERATIDAE) (FOSSIL)
- murrayvianus, Solecurtus murrayvianus Finlay, 1927 † - (SOLECURTIDAE) (FOSSIL)
- murrea, Achatina murrea L.A. Reeve, 1849 - syn of: Liguus fasciatus murreus (L.A. Reeve, 1849) - (ACHATINIDAE)
- murrea, Peltodoris murrea (F.D. Abraham, 1877) - (DISCODORIDIDAE)
- murrea, Doris murrea H.F.A. von Ihering, 1877 - syn of: Doris aspera J.J. Risbec, 1928 - (DORIDIDAE)
- murrea, Liguus flammellus murrea L.A. Reeve, 1849 - (ORTHALICIDAE)
- murrea, Isanda murrea (L.A. Reeve, 1848) - (TROCHIDAE)
- murreus, Liguus fasciatus murreus (L.A. Reeve, 1849) - (ORTHALICIDAE)
- murrha, Acirsa murrha (H. DuShane, 1970) - (EPITONIIDAE)
- murrha, Agaronia murrha S.S. Berry, 1953 - syn of: Agaronia griseoalba (E.C. Von Martens, 1897) - (OLIVIDAE)
- murrhea, Propebela murrhea W.H. Webster, 1906 - syn of: Antiguraleus murrheus (W.H. Webster, 1906) - (MANGELIIDAE)
- murrheus, Antiguraleus murrheus (W.H. Webster, 1906) - (MANGELIIDAE)
- murrinus, Drymaeus murrinus (L.A. Reeve, 1848) - (BULIMULIDAE)
- mursalicae, Laciniaria bajula mursalicae (J. Urbanski, 1969) - (CLAUSILIIDAE)
- murshudovi, Cecina murshudovi L.A. Prozorova, 1996 - (POMATIOPSIDAE)
- murtici, Kirelia murtici P. Radoman, 1973 - (HYDROBIIDAE)
- muruensis, Palaeohelicina muruensis (C. Hedley, 1891) - (HELICINIDAE)
- murus, Muriceras murus Flower, 1964 † - (ELLESMEROCERATIDAE) (FOSSIL)
- murvielense, Saloceras murvielense Kröger & J. Evans, 2011 † - (EOTHINOCERATIDAE) (FOSSIL)
- murvillensis, Pseudolillia murvillensis (Maubeuge, 1949 †) - (HILDOCERATIDAE) (FOSSIL)
- mus, Floribella mus P. Lozouet, 2015 † - (APLYSIIDAE) (FOSSIL)
- mus, Gladioconus mus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- mus, Muracypraea mus (C. Linnaeus, 1758) - (CYPRAEIDAE)
- mus, Diodora mus L.A. Reeve, 1850 - (FISSURELLIDAE)
- mus, Spondylus mus L.A. Reeve, 1856 - (SPONDYLIDAE)
- mus, Obesula mus F.P. Jousseaume, 1898 - (TRIPHORIDAE)
- mus bicornis, Muracypraea mus bicornis (G.B. III Sowerby, 1870) - (CYPRAEIDAE)
- mus donmoorei, Muracypraea mus donmoorei E.J. Petuch, 1979 - (CYPRAEIDAE)
- mus tristensis, Muracypraea mus tristensis E.J. Petuch, 1987 - (CYPRAEIDAE)
- mus tuberculata, Muracypraea mus tuberculata (J.E. Gray, 1828) - (CYPRAEIDAE)
- musa, Drillia musa A.A. Olsson, 1922 † - (DRILLIIDAE) (FOSSIL)
- musacchioi, Colpomphalus musacchioi Ferrari, 2014 † - (DISCOHELICIDAE) (FOSSIL)
- musacina, Drillia musacina A.A. Olsson, 1922 † - (DRILLIIDAE) (FOSSIL)
- musacina, Marginella musacina A.A. Olsson, 1922 † - (MARGINELLIDAE) (FOSSIL)
- musae, Leiocithara musae (K.H.J. Thiele, 1925) - (MANGELIIDAE)
- musaecola, Streptostele musaecola (P.M.A. Morelet, 1860) - (STREPTAXIDAE)
- musaensis, Conus musaensis A.A. Olsson, 1922 † - (CONIDAE) (FOSSIL)
- musaensis, Hydrobia musaensis G.R. von Frauenfeld, 1855 - (HYDROBIIDAE)
- Musagonia, Genus Musagonia M.R. Cooper, 2015 † (PTEROTRIGONIIDAE) (FOSSIL)
- musaica, Pyropelta musaica J.H. McLean & G. Haszprunar, 1987 - (PYROPELTIDAE)
- musalitini, Epijuresanites musalitini A.M. Popov, 1970 † - (SPIROLEGOCERATIDAE) (FOSSIL)
- musangensis, Phaedusa filicostata musangensis F.E. Loosjes, 1953 - (CLAUSILIIDAE)
- musanica, Lirastrombina musanica (A.A. Olsson, 1922 †) - (COLUMBELLIDAE) (FOSSIL)
- musanica, Strigilla musanica A.A. Olsson, 1922 † - (TELLINIDAE) (FOSSIL)
- musanica, Lamelliconcha musanica A.A. Olsson, 1922 † - (VENERIDAE) (FOSSIL)
- Musashia, Subgenus Fulgoraria (Musashia) S. Hayashi, 1960 (VOLUTIDAE)
- musashiana, Neopycnodonte musashiana M. Yokoyama, 1920 - syn of: Neopycnodonte cochlear (G.S. Poli, 1795) - (GRYPHAEIDAE)
- musashiana, Ostrea musashiana M. Yokoyama, 1920 - syn of: Neopycnodonte cochlear (G.S. Poli, 1795) - (OSTREIDAE)
- musashiensis, Eocylichna musashiensis (S. Tokunaga, 1906) - (CYLICHNIDAE)
- musashiensis, Ringicula musashiensis M. Yokoyama, 1920 - syn of: Ringiculina doliaris (A.A. Gould, 1860) - (RINGICULIDAE)
- musashinoensis, Ringiculella musashinoensis M. Yokoyama, 1920 † - (RINGICULIDAE) (FOSSIL)
- musasiensis, Granulifusus musasiensis (J. Makiyama, 1922 †) - (FASCIOLARIIDAE) (FOSSIL)
- musca, Pterocera musca Eudes-Deslongchamps, 1843 † - syn of: Quadrinervus muscus (Eudes-Deslongchamps, 1843 †) - (STROMBIDAE) (FOSSIL)
- muscae, Ancillista muscae (H.A. Pilsbry, 1926) - (ANCILLARIIDAE)
- muscae, Ancilla muscae H.A. Pilsbry, 1926 - syn of: Ancillista muscae (H.A. Pilsbry, 1926) - (ANCILLARIIDAE)
- muscapedia, Epitonium muscapedia W.H. Dall, 1889 - syn of: Epitonium novangliae (J.P.Y. Couthouy, 1838) - (EPITONIIDAE)
- muscaria, Laminella venusta muscaria A. Hyatt & H.A. Pilsbry, 1911 - (AMASTRIDAE)
- muscaria, Austroginella muscaria (J.B.P.A. Lamarck, 1822) - (MARGINELLIDAE)
- muscaria, Marginella muscaria J.B.P.A. Lamarck, 1822 - syn of: Austroginella muscaria (J.B.P.A. Lamarck, 1822) - (MARGINELLIDAE)
- muscaria, Terebra muscaria J.B.P.A. Lamarck, 1822 - syn of: Oxymeris areolata (J.H.F. Link, 1807) - (TEREBRIDAE)
- muscaria, Venus muscaria L.A. Reeve, 1863 - syn of: Leukoma asperrima (Sowerby, 1835) - (VENERIDAE)
- muscarius, Limulatys muscarius (A.A. Gould, 1859) - (HAMINOEIDAE)
- muscarius, Ischnochiton muscarius (L.A. Reeve, 1847) - (ISCHNOCHITONIDAE)
- muscaroides, Alaginella muscaroides (R. Tate, 1878) - (MARGINELLIDAE)
- muscarum, Cerithium muscarum T. Say, 1832 - (CERITHIIDAE)
- muscarum, Polymita muscarum (H.C. Lea, 1834) - (HELMINTHOGLYPTIDAE)
- muscarum festiva, Polymita muscarum festiva C. de la Torre, 1950 - (HELMINTHOGLYPTIDAE)
- muscarum pacei, Cerithium muscarum pacei E.J. Petuch, 1987 - syn of: Cerithium muscarum T. Say, 1832 - (CERITHIIDAE)
- muscarum protracta, Cerithium muscarum protracta L. Vignal, 1902 - syn of: Cerithium muscarum T. Say, 1832 - (CERITHIIDAE)
- muscarum splendida, Polymita muscarum splendida C. de la Torre, 1950 - (HELMINTHOGLYPTIDAE)
- muscarum splendidula, Polymita muscarum splendidula (C. de la Torre, 1950) - (HELMINTHOGLYPTIDAE)
- muscarum subbrocheri, Polymita muscarum subbrocheri (H.A. Pilsbry, 1889) - (HELMINTHOGLYPTIDAE)
- muscarum tanamensis, Polymita muscarum tanamensis (C. de la Torre, 1950) - (HELMINTHOGLYPTIDAE)
- muscata, Alabastrina subvaminquei muscata (P.M. Pallary, 1904) - (HELICIDAE)
- muscatensis, Moerella muscatensis P.G. Oliver & H.C.G. Chesney, 1997 - (TELLINIDAE)
- muscatus, Macroceramus muscatus C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- muscelensis, Viviparus muscelensis (Stefanescu, 1897 †) - (VIVIPARIDAE) (FOSSIL)
- muscerda, Microstele muscerda (W.H. Benson, 1853) - (PUPILLIDAE)
- Muscoriana, syn of: Genus Pupilla W.E. Leach in J. Fleming, 1828 (PUPILLIDAE)
- muscorum, Microcystina muscorum W.S.S. Van Benthem-Jutting, 1959 - (ARIOPHANTIDAE)
- muscorum, Polymita muscorum H.C. Lea, 1834 - syn of: Polymita muscarum (H.C. Lea, 1834) - (HELMINTHOGLYPTIDAE)
- muscorum, Pupilla muscorum (C. Linnaeus, 1758) - (PUPILLIDAE)
- muscorum, Truncatellina muscorum J.P.R. Draparnaud, 1801 - syn of: Truncatellina cylindrica (A.E.J. Férussac, 1807) - (VERTIGINIDAE)
- muscorum albina, Pupilla muscorum albina K.T. Menke, 1830 - syn of: Pupilla muscorum (C. Linnaeus, 1758) - (PUPILLIDAE)
- muscorum asiatica, Pupilla muscorum asiatica O.F. von Möllendorff, 1901 - syn of: Pupilla muscorum (C. Linnaeus, 1758) - (PUPILLIDAE)
- muscorum caucasia, Pupilla muscorum caucasia O. Böttger, 1880 - syn of: Pupilla muscorum (C. Linnaeus, 1758) - (PUPILLIDAE)
- muscorum edentula, Pupilla muscorum edentula K.T. Menke, 1830 - syn of: Pupilla muscorum (C. Linnaeus, 1758) - (PUPILLIDAE)
- muscorum glis, Pupilla muscorum glis C.A. Westerlund, 1893 - syn of: Pupilla muscorum (C. Linnaeus, 1758) - (PUPILLIDAE)
- muscorum idahoensis, Pupilla muscorum idahoensis J. Henderson & L.E. Daniels, 1917 - syn of: Pupilla hebes C.M.F. Ancey, 1881 - (PUPILLIDAE)
- muscorum lundstromi, Pupilla muscorum lundstromi C.A. Westerlund, 1876 - syn of: Pupilla muscorum (C. Linnaeus, 1758) - (PUPILLIDAE)
- muscorum milaschevitschi, Pupilla muscorum milaschevitschi W.A. Lindholm, 1911 - syn of: Pupilla muscorum (C. Linnaeus, 1758) - (PUPILLIDAE)
- muscorum pratensis, Pupilla muscorum pratensis S. Clessin, 1871 - syn of: Pupilla muscorum (C. Linnaeus, 1758) - (PUPILLIDAE)
- muscosa, Macrogastra muscosa S.E. Studer, 1789 - syn of: Macrogastra ventricosa (J.P.R. Draparnaud, 1801) - (CLAUSILIIDAE)
- muscosa, Mopalia muscosa (A.A. Gould, 1846) - (MOPALIIDAE)
- muscosa laevior, Mopalia muscosa laevior H.A. Pilsbry, 1918 - syn of: Mopalia vespertina (A.A. Gould, 1852) - (MOPALIIDAE)
- muscosa mossy, Mopalia muscosa mossy J.E. Gray - (MOPALIIDAE)
- muscosa porifera, Mopalia muscosa porifera H.A. Pilsbry, 1893 - syn of: Mopalia porifera H.A. Pilsbry, 1893 - (MOPALIIDAE)
- muscosus, Conus muscosus J.B.P.A. Lamarck, 1810 - syn of: Tesselliconus caracteristicus (G. Fischer von Waldheim, 1807) - (CONIDAE)
- muscosus, Mopalia muscosus A.A. Gould, 1846 - syn of: Mopalia muscosa (A.A. Gould, 1846) - (MOPALIIDAE)
- muscosus, Ostrea muscosus W. Wood, 1828 - syn of: Lindapecten muscosus (Wood, 1828) - (OSTREIDAE)
- muscosus, Lindapecten muscosus (Wood, 1828) - (PECTINIDAE)
- muscosus acanthodes, Aequipecten muscosus acanthodes W.H. Dall, 1925 - syn of: Lindapecten exasperatus (G.B. II Sowerby, 1842) - (PECTINIDAE)
- muscula, Rostanga muscula (F.D. Abraham, 1877) - (DISCODORIDIDAE)
- musculator, Troendleina musculator R. von Cosel & P. Bouchet, 2008 - (LUCINIDAE)
- Musculiopsis, Genus Musculiopsis Macneil, 1939 † (CARDIIDA (UNASSIGNED)) (FOSSIL)
- Musculista, syn of: Genus Arcuatula F.P. Jousseaume in É. Lamy, 1919 (MYTILIDAE)
- Musculium, Genus Musculium J.H.F. Link, 1807 (SPHAERIIDAE)
- musculosa, Bakevelloides meriani musculosa (Stoppani, 1893 †) - (BAKEVELLIIDAE) (FOSSIL)
- musculosa, Ennucula musculosa Anelli & al., 2006 † - (NUCULIDAE) (FOSSIL)
- musculosa, Pyramidella musculosa J.B.P.A. Lamarck, 1816 - syn of: Pyramidella maculosa J.B.P.A. Lamarck, 1822 - (PYRAMIDELLIDAE)
- musculosus, Klinghardtites musculosus Klinghardt 1921 † - (HIPPURITIDA (UNASSIGNED)) (FOSSIL)
- musculus, Lirabuccinum musculus P. Callomon & Lawless, 2013 - (BUCCINIDAE)
- musculus, Megalobulimus oblongus musculus J.C. Bequaert, 1948 - (MEGALOBULIMIDAE)
- Musculus, Genus Musculus P.F. Röding, 1798 (MYTILIDAE)
- muscus, Quadrinervus muscus (Eudes-Deslongchamps, 1843 †) - (APORRHAIDAE) (FOSSIL)
- musdorffiensis, Helix musdorffiensis G. Servain - syn of: Arianta arbustorum (C. Linnaeus, 1758) - (HELICIDAE)
- musetta, Haminoea musetta Er. Marcus & J.B. Burch, 1965 - (HAMINOEIDAE)
- musga, Basedowena musga (T. Iredale, 1937) - syn of: Tatemelon musgum (T. Iredale, 1937) - (CAMAENIDAE)
- musgravesi, Sinumelon musgravesi G.A. Solem, 1993 - (CAMAENIDAE)
- musgravia, Colpospira musgravia (T.A. Garrard, 1982) - (TURRITELLIDAE)
- musgravia, Platycolpus musgravia T.A. Garrard, 1982 - syn of: Colpospira musgravia (T.A. Garrard, 1982) - (TURRITELLIDAE)
- musgum, Tatemelon musgum (T. Iredale, 1937) - (CAMAENIDAE)
- mushbachanum, Submeekoceras mushbachanum (White, 1879 †) - (ARCTOCERATIDAE) (FOSSIL)
- mushbachanum, Koninckites mushbachanum (L. Waagen 1895 †) - (BEYRICHITIDAE) (FOSSIL)
- mushbachanus, Meekoceras mushbachanus White, 1879 † - syn of: Submeekoceras mushbachanum (White, 1879 †) - (MEEKOCERATIDAE) (FOSSIL)
- musica, Cerithium litteratum musica G.B. II Sowerby, 1855 - (CERITHIIDAE)
- musica, Theba pisana musica (J.W. Taylor, 1912) - (HELICIDAE)
- musica, Marginella musica R.B. Hinds, 1844 - (MARGINELLIDAE)
- musica, Nerita musica P.F. Röding, 1798 - syn of: Nerita versicolor J.F. Gmelin, 1791 - (NERITIDAE)
- musica, Pyropelta musica J.H. McLean & G. Haszprunar, 1987 - syn of: Pyropelta musaica J.H. McLean & G. Haszprunar, 1987 - (PYROPELTIDAE)
- musica, Voluta musica C. Linnaeus, 1758 - (VOLUTIDAE)
- Musica, syn of: Genus Voluta C. Linnaeus, 1758 (VOLUTIDAE)
- musica carneolata, Voluta musica carneolata J.B.P.A. Lamarck, 1811 - (VOLUTIDAE)
- musica guinaica, Voluta musica guinaica J.B.P.A. Lamarck, 1811 - (VOLUTIDAE)
- musica guineensis, Voluta musica guineensis L.W. Dillwyn, 1817 - syn of: Voluta musica C. Linnaeus, 1758 - (VOLUTIDAE)
- musica laevigata, Voluta musica laevigata J.B.P.A. Lamarck, 1811 - (VOLUTIDAE)
- musica thiarella, Voluta musica thiarella J.B.P.A. Lamarck, 1811 - (VOLUTIDAE)
- musica typica, Voluta musica typica W.H. Dall, 1907 - syn of: Voluta musica C. Linnaeus, 1758 - (VOLUTIDAE)
- musicalis, Pseudaulicina musicalis (J.B.P.A. Lamarck, 1802 †) - (VOLUTIDAE) (FOSSIL)
- musicinoides, Lyria musicinoides C.J. Maury, 1934 † - (VOLUTIDAE) (FOSSIL)
- musicola, Plagioptycha musicola (R.J. Shuttleworth, 1854) - (CEPOLIDAE)
- musicum, Cerithium musicum unknown - syn of: Cerithium atratum (I. von Born, 1778) - (CERITHIIDAE)
- musicus, Harmoniconus musicus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- musidora, Epitonium musidora W.H. Dall, 1917 - syn of: Epitonium hindsii (P.P. Carpenter, 1856) - (EPITONIIDAE)
- musidorum, Epitonium musidorum W.H. Dall, 1917 - syn of: Epitonium hindsii (P.P. Carpenter, 1856) - (EPITONIIDAE)
- musignani, Oligolimax musignani (E. Pirajno, 1842) - (VITRINIDAE)
- musii, Horologica musii C. Chen, C.F. Tseng & L.C. Lo, 2012 - (CERITHIOPSIDAE)
- musiimei, Pseudocleopatra musiimei D. Van Damme & G.E. Pickford, 2010 † - (PALUDOMIDAE) (FOSSIL)
- musiva, Clypeomorus brevis musiva (J.B. Hombron & C.H. Jacquinot, 1852) - (CERITHIIDAE)
- musiva, Japonia musiva A.A. Gould, 1859 - (CYCLOPHORIDAE)
- musiva, Tenguella musiva (L.C. Kiener, 1835) - (MURICIDAE)
- musiva, Purpura musiva L.C. Kiener, 1835 - syn of: Tenguella musiva (L.C. Kiener, 1835) - (MURICIDAE)
- musiva, Nassa musiva A.A. Gould, 1850 - syn of: Nassarius limnaeiformis (R.W. Dunker, 1847) - (NASSARIIDAE)
- musiva, Pinctada musiva A.A. Gould, 1861 - syn of: Conotalopia musiva (A.A. Gould, 1861) - (PTERIIDAE)
- musiva, Conotalopia musiva (A.A. Gould, 1861) - (TROCHIDAE)
- musiva albida, Clypeomorus musiva albida J.B. Hombron & C.H. Jacquinot, 1852 - syn of: Clypeomorus brevis (J.R.C. Quoy & J.P. Gaimard, 1834) - (CERITHIIDAE)
- musivum, Clypeomorus musivum J.B. Hombron & C.H. Jacquinot, 1854 - syn of: Clypeomorus brevis (J.R.C. Quoy & J.P. Gaimard, 1834) - (CERITHIIDAE)
- musivum, Conus musivum G.B. I Sowerby, 1833 - syn of: Cylinder legatus (J.B.P.A. Lamarck, 1810) - (CONIDAE)
- musivum, Iotyrris musivum Y.I. Kantor, N. Puillandre, B.M. Olivera & P. Bouchet, 2008 - (TURRIDAE)
- musivus, Drymaeus musivus L. Pfeiffer, 1855 - syn of: Drymaeus strigatus (G.B. I Sowerby, 1833) - (BULIMULIDAE)
- musivus, Conus musivus H. Trovão, 1975 - syn of: Varioconus alexandrinus (S.D. Kaicher, 1977) - (CONIDAE)
- musivus, Nassarius musivus G.B. Brocchi, 1814 † - (NASSARIIDAE) (FOSSIL)
- musivus, Unio musivus L. Spengler, 1793 - syn of: Unio crassus L. Philipsson in A. Retzius, 1788 - (UNIONIDAE)
- musjahensis, Omanites musjahensis Brühwiler & Bucher, 2012 † - (MELAGATHICERATIDAE) (FOSSIL)
- muskatensis, Glycymeris muskatensis J.C. Melvill, 1897 - syn of: Tucetona guesi (F.P. Jousseaume, 1895) - (GLYCYMERIDIDAE)
- muskusi, Tudora muskusi H.B. Baker, 1924 - (POMATIIDAE)
- muskusi bullenensis, Tudora muskusi bullenensis H.B. Baker, 1924 - (POMATIIDAE)
- muskusi grandiensis, Tudora muskusi grandiensis H.B. Baker, 1924 - (POMATIIDAE)
- muskwa, Ussurites muskwa McLearn, 1946 † - (USSURITIDAE) (FOSSIL)
- musorstom, Turbonilla musorstom A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- musorstomae, Leptotrophon musorstomae R. Houart, 1995 - (MURICIDAE)
- musorstomi, Caecum musorstomi M. Pizzini, B.K. Raines & A. Vannozzi, 2013 - (CAECIDAE)
- musorstomi, Dulcina musorstomi R. von Cosel & P. Bouchet, 2008 - (LUCINIDAE)
- musorstomi, Hydroginella musorstomi F. Boyer, A. Wakefield & T. McCleery, 2003 - (MARGINELLIDAE)
- musorstomi, Delectopecten musorstomi J. Poutiers, 1981 - (PECTINIDAE)
- musorstomi, Parvamussium musorstomi H.H. Dijkstra, 2001 - (PROPEAMUSSIIDAE)
- muspratti, Chersaecia muspratti (G.P.L.K. Gude, 1897) - (PLECTOPYLIDAE)
- mussandamica, Syrnola mussandamica J.C. Melvill & R. Standen, 1903 - (PYRAMIDELLIDAE)
- mussolinii, Eupera mussolinii C. Piersanti, 1940 - syn of: Eupera ferruginea (C.F.F. von Krauss, 1848) - (SPHAERIIDAE)
- mussolis, Arca mussolis P.M. Pallary, 1920 - syn of: Arca despecta P. Fischer, 1876 - (ARCIDAE)
- Mussonena, Genus Mussonena T. Iredale, 1938 (CAMAENIDAE)
- mussoni, Gastrocopta mussoni H.A. Pilsbry, 1917 - (GASTROCOPTIDAE)
- Mussonula, Genus Mussonula T. Iredale, 1937 (CHAROPIDAE)
- musta, Melanella musta (M. Yokoyama, 1928) - (EULIMIDAE)
- mustang, Sonorella mustang H.A. Pilsbry & J.H. Ferriss, 1919 - (HELMINTHOGLYPTIDAE)
- mustangensis, Laevozebrinus mustangensis A.G. Kuznetsov & A.A. Schileyko, 1997 - (ENIDAE)
- mustela, Tulites mustela W.J. Arkell, 1954 † - (TULITIDAE) (FOSSIL)
- mustelina, Achatinella mustelina J.W. Mighels, 1845 - (ACHATINELLIDAE)
- mustelina, Aplysia mustelina T. Pennant, 1812 - syn of: Aplysia punctata (G.L.C.F.D. Cuvier, 1803) - (APLYSIIDAE)
- mustelina, Cassidula mustelina (G.P. Deshayes, 1830) - (ELLOBIIDAE)
- mustelina, Discula cheiranticola mustelina T.V. Wollaston, 1878 - (HYGROMIIDAE)
- mustelina, Discula cheiranthicola mustelina (L.A. Reeve, 1854) - (HYGROMIIDAE)
- mustelina, Serrata mustelina (G.F. Angas, 1871) - (MARGINELLIDAE)
- mustelina, Marginella mustelina G.F. Angas, 1871 - syn of: Serrata mustelina (G.F. Angas, 1871) - (MARGINELLIDAE)
- mustelina, Neocancilla mustelina L.W. Dillwyn, 1817 - syn of: Neocancilla clathrus (J.F. Gmelin, 1791) - (MITRIDAE)
- mustelina, Nassa mustelina A.A. Gould, 1860 - syn of: Nassarius reeveanus (R.W. Dunker, 1847) - (NASSARIIDAE)
- mustelina, Oliva mustelina J.B.P.A. Lamarck, 1811 - (OLIVIDAE)
- mustelina, Conotalopia mustelina (A.A. Gould, 1861) - (TROCHIDAE)
- mustelina altiformis, Achatinella mustelina altiformis D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina bicolor, Achatinella mustelina bicolor L. Pfeiffer, 1859 - (ACHATINELLIDAE)
- mustelina brunibasis, Achatinella mustelina brunibasis D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina brunicolor, Achatinella mustelina brunicolor D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina christopherseni, Achatinella mustelina christopherseni D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina collaris, Achatinella mustelina collaris D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina dautzenbergi, Achatinella mustelina dautzenbergi D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina decolor, Achatinella mustelina decolor D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina diffusa, Achatinella mustelina diffusa D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina griseipicta, Achatinella mustelina griseipicta D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina griseitincta, Achatinella mustelina griseitincta D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina kaalaensis, Achatinella mustelina kaalaensis D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina kapuensis, Achatinella mustelina kapuensis D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina lathropae, Achatinella mustelina lathropae D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina lymaniana, Achatinella mustelina lymaniana D.D. Baldwin, 1895 - (ACHATINELLIDAE)
- mustelina mailiensis, Achatinella mustelina mailiensis D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina makahaensis, Achatinella mustelina makahaensis H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- mustelina maxima, Achatinella mustelina maxima D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina mixta, Achatinella mustelina mixta D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina mucronata, Oliva mustelina mucronata F.P. Marrat, 1871 - syn of: Oliva mucronata F.P. Marrat, 1871 - (OLIVIDAE)
- mustelina nocturna, Achatinella mustelina nocturna D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina obesiformis, Achatinella mustelina obesiformis D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina paucicallosa, Oliva mustelina paucicallosa F.S. MacNeil, 1960 † - (OLIVIDAE) (FOSSIL)
- mustelina popouwelensis, Achatinella mustelina popouwelensis D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina russi, Achatinella mustelina russi D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelina sordida, Achatinella mustelina sordida W. Newcomb, 1854 - (ACHATINELLIDAE)
- mustelina waianaeensis, Achatinella mustelina waianaeensis D.A. Welch, 1938 - (ACHATINELLIDAE)
- mustelinus, Rhizoconus mustelinus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- mustellina, Mimachlamys mustellina J.F. Gmelin, 1791 - syn of: Mimachlamys varia (C. Linnaeus, 1758) - (PECTINIDAE)
- Musteloliva, Subgenus Oliva (Musteloliva) E.J. Petuch & D.M. Sargent, 1986 (OLIVIDAE)
- musumea, Palmulacypraea musumea (J.T. Kuroda & T. Habe, 1961) - (CYPRAEIDAE)
- musumea, Palmulacypraea musumea F.Jr. Lorenz, 2002 - syn of: Palmulacypraea boucheti (F.Jr. Lorenz, 2002) - (CYPRAEIDAE)
- musumea lacrimula, Palmulacypraea musumea lacrimula (F.Jr. Lorenz, 2002) - (CYPRAEIDAE)
- musumea pseudokatsuae, Palmulacypraea musumea pseudokatsuae unknown - (CYPRAEIDAE)
- muswarense, Leptopoma muswarense H.C. Fulton, 1910 - (CYCLOPHORIDAE)
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