- kecia, Isognomon kecia (Tucker & Wilson, 1933 †) - (PTERIIDAE) (FOSSIL)
- kecil, Thelecytharella kecil (A.V. Sysoev, 1997) - (PSEUDOMELATOMIDAE)
- kecil, Otitoma kecil (A.V. Sysoev, 1997) - syn of: Thelecytharella kecil (A.V. Sysoev, 1997) - (PSEUDOMELATOMIDAE)
- kecskemetii, Emileites kecskemetii (Galácz, 2015 †) - (OTOITIDAE) (FOSSIL)
- Kedonella, Genus Kedonella Polubotko, 1992 (BAKEVELLIIDAE) (FOSSIL)
- kedonense, Pseudolioceras kedonense Repin, 1966 † - syn of: Pseudolioceras lythense (A.T. Young & Bird, 1828 †) - (HILDOCERATIDAE) (FOSSIL)
- kedonensis, Striatosirenites kedonensis Bychkov, 1973 † - (TRACHYCERATIDAE) (FOSSIL)
- keegani, Westaustrocuna keegani P.U. Middelfart, 2002 - (CONDYLOCARDIIDAE)
- keegani, Adontorhina keegani P.J. Barry & J.B. McCormack, 2007 - (THYASIRIDAE)
- keegani, Timoclea keegani B.K. Raines & M. Huber, 2012 - (VENERIDAE)
- keehiensis, Trivirostra keehiensis C.N. Cate, 1979 - (TRIVIIDAE)
- keeleri, Alvania keeleri S. Palazzi, 1978 - syn of: Alvania monserratensis F.C. Baker, G.D. Hanna & A.M. Strong, 1930 - (RISSOIDAE)
- keelingensis, Pustularia bistrinotata keelingensis F.A. Schilder & M. Schilder, 1940 - (CYPRAEIDAE)
- keenae, Anatoma keenae (J.H. McLean, 1970) - (ANATOMIDAE)
- keenae, Calliostoma keenae J.H. McLean, 1970 - (CALLIOSTOMATIDAE)
- keenae, Integricardium keenae Marincovich Jr., 1993 † - (CARDIIDAE) (FOSSIL)
- keenae, Nemocardium keenae Renard, 1994 † - (CARDIIDAE) (FOSSIL)
- keenae, Sphaerocypraea wegeneri keenae W.P. Woodring, 1959 † - (EOCYPRAEIDAE) (FOSSIL)
- keenae, Glycymeris keenae G. Willett, 1944 - (GLYCYMERIDIDAE)
- keenae, Littorina keenae J.P. Rosewater, 1978 - (LITTORINIDAE)
- keenae, Callucina keenae (A.L. Chavan, 1971) - (LUCINIDAE)
- keenae, Tresus keenae (J.T. Kuroda & T. Habe, 1950) - (MACTRIDAE)
- keenae, Mitromorpha keenae (W.K. Emerson & G.E. Radwin, 1969) - (MITROMORPHIDAE)
- keenae, Mitrolumna keenae W.K. Emerson & G.E. Radwin, 1969 - syn of: Mitromorpha keenae (W.K. Emerson & G.E. Radwin, 1969) - (MITROMORPHIDAE)
- keenae, Favartia keenae (E.H. Vokes, 1970) - (MURICIDAE)
- keenae, Rugotyphis keenae R.L. Gertman, 1969 † - (MURICIDAE) (FOSSIL)
- keenae, Ocenebra keenae M.A. Bormann, 1946 - syn of: Ocinebrina foveolata (R.B. Hinds, 1844) - (MURICIDAE)
- keenae, Septifer keenae S. Nomura, 1936 - (MYTILIDAE)
- keenae, Lamellinucula keenae F.R. Bernard, 1983 - syn of: Nucula carlottensis (W.H. Dall, 1897) - (NUCULIDAE)
- keenae, Monoplex keenae (A.G. Beu, 1970) - (RANELLIDAE)
- keenae, Alvania keenae W.J. Gordon, 1939 - syn of: Onoba carpenteri (H.C. Weinkauff, 1885) - (RISSOIDAE)
- keenae, Rissoina keenae A.G. Smith & W.J. Gordon, 1948 - (RISSOINIDAE)
- keenae, Scissurella keenae J.H. McLean, 1970 - syn of: Anatoma keenae (J.H. McLean, 1970) - (SCISSURELLIDAE)
- keenae, Psammotreta papyracea keenae T. Habe, 1964 - (TELLINIDAE)
- keenae, Transenpitar keenae E. Fischer-Piette & A.M. Testud, 1967 - syn of: Transenpitar americana (M. Doello-Jurado in A. Carcelles, 1951) - (VENERIDAE)
- keenae, Petaloconchus keenae J.A. Hadfield & E.A. Kay, 1972 - (VERMETIDAE)
- keenae, Yoldia keenae F.J.E. Wagner, 1959 - syn of: Yoldia hyperborea (A.A. Gould, 1841) - (YOLDIIDAE)
- Keenaea, Subgenus Nemocardium (Keenaea) T. Habe, 1951 (CARDIIDAE)
- Keeneia, Genus Keeneia Etheridge Jr., 1902 (PLATYCERATIDAE) (FOSSIL)
- keeni, Septifer keeni S. Nomura, 1936 - syn of: Septifer keenae S. Nomura, 1936 - (MYTILIDAE)
- keenii, Hyalina keenii (F.P. Marrat, 1871) - (MARGINELLIDAE)
- keenii, Prunum keenii F.P. Marrat, 1871 - syn of: Hyalina keenii (F.P. Marrat, 1871) - (MARGINELLIDAE)
- keenii, Nassa keenii F.P. Marrat, 1877 - syn of: Nassarius livescens (R.A. Philippi, 1849) - (NASSARIIDAE)
- keenii, Oliva keenii F.P. Marrat, 1870 - (OLIVIDAE)
- Keenocardium, Genus Keenocardium A.I. Kafanov, 1974 (CARDIIDAE)
- keenorum, Placostylus ambagiosus keenorum A.W.B. Powell, 1947 - (BOTHRIEMBRYONTIDAE)
- keepi, Haplotrema keepi H. Hemphill, 1890 - (HAPLOTREMATIDAE)
- keepi, Margarites keepi A.G. Smith & W.J. Gordon, 1948 - (MARGARITIDAE)
- keepi, Ocenebra keepi R. Arnold, 1903 - syn of: Ocinebrina foveolata (R.B. Hinds, 1844) - (MURICIDAE)
- keepi, Trophonopsis keepi A.M. Strong & L.G. Hertlein, 1937 - syn of: Boreotrophon pedroanus (R. Arnold, 1903) - (MURICIDAE)
- keepi, Euvola keepi R. Arnold, 1906 † - (PECTINIDAE) (FOSSIL)
- keepiana, Cyanoplax keepiana (S.S. Berry, 1948) - (LEPIDOCHITONIDAE)
- keepingi, Tropaeum keepingi R. Casey 1959 † - (ANCYLOCERATIDAE) (FOSSIL)
- keepingi, Cucullaea keepingi Finlay † - (CUCULLAEIDAE) (FOSSIL)
- keepingi, Scalaria keepingi Gardner † - (EPITONIIDAE) (FOSSIL)
- keepingi, Bela keepingi (Etheridge & Bell, 1898 †) - (MANGELIIDAE) (FOSSIL)
- Keepingia, Genus Keepingia Nuttall & J. Cooper, 1973 (NASSARIIDAE) (FOSSIL)
- keepitensis, Genuclymenia keepitensis B.W. Jenkins, 1968 † - (CYMACLYMENIIDAE) (FOSSIL)
- keeuwensis, Dicoelites keeuwensis Boehm, 1912 † - (DICOELITIDAE) (FOSSIL)
- keewatinense, Actinoceras keewatinense J.J.F. Whiteaves, 1904 † - syn of: Stokesoceras keewatinense (J.J.F. Whiteaves, 1904 †) - (ACTINOCERATIDAE) (FOSSIL)
- keewatinense, Stokesoceras keewatinense (J.J.F. Whiteaves, 1904 †) - (LOWOCERATIDAE) (FOSSIL)
- kefersteini, Bulimus kefersteini L. Pfeiffer, 1866 - syn of: Mesembrinus attenuatus L. Pfeiffer, 1853 - (BULIMULIDAE)
- kefersteini, Myophoria kefersteini Münster, 1837 † - (MYOPHORIIDAE) (FOSSIL)
- kefersteinii, Cassiope kefersteinii (Münster, 1844 †) - (CASSIOPIDAE) (FOSSIL)
- kegaki, Saccostrea kegaki K. Torigoe & A. Inaba, 1981 - (OSTREIDAE)
- kegalensis, Gryponautilus kegalensis E.S. Sobolev, 1989 † - (GRYPOCERATIDAE) (FOSSIL)
- keideli, Risselloidea keideli Ferrari & al., 2014 † - (EUCYCLIDAE) (FOSSIL)
- keideli, Peelerophon keideli Kobayashi, 1935 † - syn of: Peelerophon oehlerti (Bergeron, 1889 †) - (TROPIDODISCIDAE) (FOSSIL)
- keiense, Paraoncidium keiense (H. Hoffmann, 1926) - (ONCHIDIIDAE)
- keiense, Oncidium keiense H. Hoffmann, 1926 - syn of: Paraoncidium keiense (H. Hoffmann, 1926) - (ONCHIDIIDAE)
- keiki, Triphora keiki E.A. Kay, 1979 - (TRIPHORIDAE)
- keikoae, Seguenzia keikoae G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (SEGUENZIIDAE)
- keili, Ischnochiton keili H.P. Plate, 1899 - (ISCHNOCHITONIDAE)
- keiliformis, Tropites keiliformis Tozer, 1994 † - (TROPITIDAE) (FOSSIL)
- keiloriana, Talochlamys keiloriana (I. Crespin, 1926 †) - (PECTINIDAE) (FOSSIL)
- Keilostoma, Genus Keilostoma Deshayes, 1850 (DIASTOMATIDAE) (FOSSIL)
- keineriana, Amphinaias keineriana (I. Lea, 1852) - (UNIONIDAE)
- keinosukeana, Chrysallida keinosukeana S. Nomura, 1938 - (PYRAMIDELLIDAE)
- keiseri, Cathaica keiseri T.D.A. Cockerell, 1928 - syn of: Ponsadenia semenovi (E.C. Von Martens, 1864) - (BRADYBAENIDAE)
- keiskeana, Chemnitzia keiskeana M. Yokoyama, 1927 - (PYRAMIDELLIDAE)
- keisukeana, Turbonilla keisukeana (M. Yokoyama, 1927) - (PYRAMIDELLIDAE)
- keisukeana, Chemnitzia keisukeana M. Yokoyama, 1927 - syn of: Turbonilla keisukeana (M. Yokoyama, 1927) - (PYRAMIDELLIDAE)
- keithi, Ceratopea keithi Ulrich, 1911 † - (RAPHISTOMATIDAE) (FOSSIL)
- keizanensis, Palaeomphalus keizanensis Kobayashi, 1934 † - syn of: Scalites keizanensis O. Kobayashi, 1934 † - (HELICOTOMIDAE) (FOSSIL)
- keizanensis, Scalites keizanensis O. Kobayashi, 1934 † - (RAPHISTOMATIDAE) (FOSSIL)
- keizii, Pinguiphaedusa attrita keizii (T. Habe, 1943) - (CLAUSILIIDAE)
- Kejdonia, Genus Kejdonia C. Mifsud, 1999 (PYRAMIDELLIDAE)
- kejong, Leptopoma kejong W.J. Clench & S. Archer, 1931 - (CYCLOPHORIDAE)
- kekele, Atys kekele H.A. Pilsbry, 1920 - (HAMINOEIDAE)
- kekoldi, Doto kekoldi J.A. Ortea, 2001 - (DOTIDAE)
- KELAENIDAE Naef, 1921 - Family (CEPHALOPODA-) (FOSSIL)
- Kelaeno, syn of: Genus Muensterella Schevill , 1950 (MUENSTERELLIDAE) (FOSSIL)
- kelantanensis, Phaedusa kelantanensis (E.R. Sykes, 1902) - (CLAUSILIIDAE)
- kelantanensis, Alycaeus kelantanensis E.R. Sykes, 1902 - (CYCLOPHORIDAE)
- kelantanensis, Brotia kelantanensis (H.B. Preston, 1907) - (PACHYCHILIDAE)
- kelarizis, Morphoceras kelarizis Dietze & al., 2014 † - (MORPHOCERATIDAE) (FOSSIL)
- kelea, Epitonium kelea T. Iredale, 1930 - syn of: Variciscala raricostata (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- keleptrishvilii, Hibolithes keleptrishvilii N.M. Janssen, A. Clément & W. Bont, 2012 † - (MESOHIBOLITHIDAE) (FOSSIL)
- Keletistes, Genus Keletistes P.G. Oliver, 1986 (LUCINIDAE)
- kelibea, Gulella kelibea K.C. Emberton, 2001 - (STREPTAXIDAE)
- Keliella, syn of: Genus Kelliella G.O. Sars, 1870 (KELLIELLIDAE)
- kelimolotra, Gulella kelimolotra K.C. Emberton, 2002 - (STREPTAXIDAE)
- Keliostoma, Genus Keliostoma G.P. Deshayes, 1848 (DIASTOMATIDAE)
- kelirensis, Arca kelirensis K. Martin, 1916 † - (ARCIDAE) (FOSSIL)
- kelirensis, Clypeomorus kelirensis Martin, 1917 † - (CERITHIIDAE) (FOSSIL)
- kelirensis, Turricula kelirensis (K. Martin, 1916 †) - (CLAVATULIDAE) (FOSSIL)
- kelirensis, Surcula kelirensis K. Martin, 1916 † - syn of: Turricula kelirensis (K. Martin, 1916 †) - (CLAVATULIDAE) (FOSSIL)
- kelirensis, Pyramidella kelirensis Martin, 1916 - syn of: Longchaeus menadensis (M.M. Schepman, 1907 †) - (PYRAMIDELLIDAE)
- kelivitsika, Parvedentulina kelivitsika K.C. Emberton, 2002 - (STREPTAXIDAE)
- Kellawaysites, Genus Kellawaysites Jeannet, 1951 (REINECKEIIDAE) (FOSSIL)
- Kellea, syn of: Genus Kellia W.H. Turton, 1822 (KELLIIDAE)
- kelleri, Pleuromya kelleri Imlay, 1961 † - (PLEUROMYIDAE) (FOSSIL)
- Kelletia, Genus Kelletia P. Fischer, 1884 (BUCCINIDAE)
- kelletii, Kelletia kelletii (E. Forbes, 1850) - (BUCCINIDAE)
- kellettae, Pseudozygopleura kellettae Knight, 1930 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- kelletti, Xerarionta kelletti (E. Forbes, 1850) - (CEPOLIDAE)
- kelletti, Micrarionta kelletti E. Forbes, 1850 - syn of: Xerarionta kelletti (E. Forbes, 1850) - (HELMINTHOGLYPTIDAE)
- kellettii, Orthalicus kellettii L.A. Reeve, 1850 - (ORTHALICIDAE)
- kellettii, Pseudoliva kellettii A. Adams, 1855 - syn of: Macron aethiops (L.A. Reeve, 1847) - (PSEUDOLIVIDAE)
- kellettii, Macron kellettii A. Adams, 1855 - syn of: Macron aethiops (L.A. Reeve, 1847) - (PSEUDOLIVIDAE)
- kellettii, Lirophora kellettii (R.B. Hinds, 1845) - (VENERIDAE)
- kellettii, Venus kellettii R.B. Hinds, 1845 - syn of: Lirophora kellettii (R.B. Hinds, 1845) - (VENERIDAE)
- kelleyi, Siphocypraea kelleyi E.J. Petuch, 1998 † - (CYPRAEIDAE) (FOSSIL)
- Kellia, Genus Kellia W.H. Turton, 1822 (KELLIIDAE)
- kelliaeformis, Thyasira kelliaeformis T.A. Okutani, 1962 - (THYASIRIDAE)
- Kelliella, Genus Kelliella G.O. Sars, 1870 (KELLIELLIDAE)
- KELLIELLIDAE Fischer, 1887 - Family (BIVALVIA-HETERODONTA-EUHETERODONTA-IMPARIDENTIA-VENERIDA)
- KELLIIDAE Forbes & Hanley, 1848 - Family (BIVALVIA-HETERODONTA-EUHETERODONTA-IMPARIDENTIA-VENERIDA)
- Kelliola, Genus Kelliola W.H. Dall, 1889 (MONTACUTIDAE)
- Kelliopsis, syn of: Genus Aligena I. Lea, 1843 (LASAEIDAE)
- kellneri, Proteusites kellneri J. Von Hauer & al., 1968 † - (PROTEUSITIDAE) (FOSSIL)
- kellneri, Cymbiola kellneri T. Iredale, 1957 - syn of: Cymbiola flavicans (J.F. Gmelin, 1791) - (VOLUTIDAE)
- Kellnerites, Genus Kellnerites Arthaber , 1912 (CERATITIDAE) (FOSSIL)
- kelloggensis, Tivela kelloggensis Clark & Woodford, 1927 † - (VENERIDAE) (FOSSIL)
- kelloggi, Eurystomites kelloggi (R.P. Whitfield, 1886 †) - (TARPHYCERATIDAE) (FOSSIL)
- kellumi, Lucina kellumi Imlay, 1940 † - (LUCINIDAE) (FOSSIL)
- kellumi, Ithycythara kellumi A.A. Olsson & A. Harbison, 1953 † - (MANGELIIDAE) (FOSSIL)
- kellumi, Ithycythara kellumi W.G. Fargo, 1953 - syn of: Ithycythara psila (K.J. Bush, 1885) - (MANGELIIDAE)
- kellumi, Ithycythara kellumi W.G. Fargo, 1953 - syn of: Ithycythara psila (K.J. Bush, 1885) - (MANGELIIDAE)
- kellumi, Argyrobessa kellumi (H.G. Richards, 1943 †) - (NEOGASTROPODA (unassigned)) (FOSSIL)
- kellumi, Liroxyites kellumi Imlay, 1961 † - (STRIGOCERATIDAE) (FOSSIL)
- Kellya, syn of: Genus Kellia W.H. Turton, 1822 (KELLIIDAE)
- Kellyconus, Genus Kellyconus E.J. Petuch, 2013 (CONIDAE)
- Kellyella, syn of: Genus Kelliella G.O. Sars, 1870 (KELLIELLIDAE)
- Kellygonia, Genus Kellygonia M.R. Cooper, 2016 (TRIGONIIDAE) (FOSSIL)
- kellyi, Choristoceras kellyi Smith, 1927 † - syn of: Sympolycyclus kellyi (Smith, 1927 †) - (CHORISTOCERATIDAE) (FOSSIL)
- kellyi, Goniojuvavites kellyi (Smith, 1927 †) - (JUVAVITIDAE) (FOSSIL)
- kellyi, Klamathites kellyi Smith, 1927 † - (KLAMATHITIDAE) (FOSSIL)
- kellyi, Ekstadia kellyi Liljedahl, 1994 † - (MALLETIIDAE) (FOSSIL)
- kellyi, Pseudotissotia kellyi Jones, 1938 † - syn of: Spathites coahuilaensis (Jones, 1938 †) - (PSEUDOTISSOTIIDAE) (FOSSIL)
- kellyi, Sympolycyclus kellyi (Smith, 1927 †) - (TRACHYCERATIDAE) (FOSSIL)
- kellyi, Tropites kellyi Smith, 1927 † - (TROPITIDAE) (FOSSIL)
- Kellyia, syn of: Genus Kellia W.H. Turton, 1822 (KELLIIDAE)
- kelseyi, Nodulus kelseyi P. Bartsch, 1911 - syn of: Pelycidion kelseyi (P. Bartsch, 1911) - (ANABATHRIDAE)
- kelseyi, Anatoma kelseyi (W.H. Dall, 1905) - (ANATOMIDAE)
- kelseyi, Thieleella kelseyi W.H. Dall, 1905 - syn of: Anatoma kelseyi (W.H. Dall, 1905) - (ANATOMIDAE)
- kelseyi, Lirobarleeia kelseyi (W.H. Dall & P. Bartsch, 1902) - (BARLEEIIDAE)
- kelseyi, Neptunea kelseyi F.C. Baker, 1923 - syn of: Neptunea constricta (W.H. Dall, 1907) - (BUCCINIDAE)
- kelseyi, Colus kelseyi W.H. Dall, 1908 - syn of: Exilioidea rectirostris (P.P. Carpenter, 1864) - (BUCCINIDAE)
- kelseyi, Iphinopsis kelseyi (W.H. Dall, 1908) - (CANCELLARIIDAE)
- kelseyi, Trichotropis kelseyi W.H. Dall, 1908 - syn of: Iphinopsis kelseyi (W.H. Dall, 1908) - (CAPULIDAE)
- kelseyi, Milneria kelseyi W.H. Dall, 1916 - (CARDITIDAE)
- kelseyi, Corbula kelseyi W.H. Dall, 1916 - syn of: Cumingia californica T.A. Conrad, 1837 - (CORBULIDAE)
- kelseyi, Asperiscala kelseyi A.M. Strong, 1930 - syn of: Epitonium habeli W.H. Dall, 1917 - (EPITONIIDAE)
- kelseyi, Epitonium kelseyi F.C. Baker, G.D. Hanna & A.M. Strong, 1930 - syn of: Epitonium habeli W.H. Dall, 1917 - (EPITONIIDAE)
- kelseyi, Diplodon kelseyi F.C. Baker, 1913 - syn of: Rhipidodonta suavidica (I. Lea, 1856) - (HYRIIDAE)
- kelseyi, Pelycidion kelseyi (P. Bartsch, 1911) - (PELYCIDIIDAE)
- kelseyi, Exilioidea kelseyi W.H. Dall, 1908 - syn of: Exilioidea rectirostris (P.P. Carpenter, 1864) - (PTYCHATRACTIDAE)
- kelseyi, Turbonilla kelseyi W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- kelseyi, Odostomia kelseyi P. Bartsch, 1912 - (PYRAMIDELLIDAE)
- kelseyi, Rissoa kelseyi W.H. Dall & P. Bartsch, 1902 - syn of: Lirobarleeia kelseyi (W.H. Dall & P. Bartsch, 1902) - (RISSOIDAE)
- kelseyi, Scissurella kelseyi W.H. Dall, 1905 - syn of: Anatoma kelseyi (W.H. Dall, 1905) - (SCISSURELLIDAE)
- kelseyi, Macoma kelseyi W.H. Dall, 1900 - syn of: Macoma nasuta (T.A. Conrad, 1837) - (TELLINIDAE)
- kelseyi, Macoma kelseyi W.H. Dall, 1900 - syn of: Macoma nasuta (T.A. Conrad, 1837) - (TELLINIDAE)
- kelsyei, Rissoina kelsyei W.H. Dall & P. Bartsch, 1902 - (RISSOINIDAE)
- kelterborni, Pontohydrobia kelterborni (W.A. Wenz in Krejci & W.A. Wenz, 1927 †) - (HYDROBIIDAE) (FOSSIL)
- Kelteroceras, Genus Kelteroceras Ermakova , 1975 (XENODISCIDAE) (FOSSIL)
- keluo, Reishia keluo (S.K. Tan & J.B. Sigurdsson, 2001) - (MURICIDAE)
- keluo, Thaisella keluo S.K. Tan & J.B. Sigurdsson, 2001 - syn of: Reishia keluo (S.K. Tan & J.B. Sigurdsson, 2001) - (MURICIDAE)
- kelviniformis, Gandakites kelviniformis (Diener, 1908 †) - (TIBETITIDAE) (FOSSIL)
- kemblensis, Paracuneus kemblensis C.F. Laseron, 1954 - (DRILLIIDAE)
- kemblensis, Dentimargo kemblensis (C. Hedley, 1903) - (MARGINELLIDAE)
- kemblensis, Marginella kemblensis C. Hedley, 1903 - syn of: Dentimargo kemblensis (C. Hedley, 1903) - (MARGINELLIDAE)
- kemedjingensis, Lucina kemedjingensis Martin, 1916 † - (LUCINIDAE) (FOSSIL)
- kemedjingensis, Labiostrombus kemedjingensis (Martin, 1916) - (STROMBIDAE)
- kemerensis, Albinaria kemerensis H. Nordsieck, 1993 - (CLAUSILIIDAE)
- Kemeroviella, Genus Kemeroviella Betekhtina, 1966 (PROKOPIEVSKIIDAE) (FOSSIL)
- kempae, Knightoceras kempae Miller & Youngquist, 1949 † - (KONINCKIOCERATIDAE) (FOSSIL)
- kempae, Agnewia kempae Powell, 1934 † - (MURICIDAE) (FOSSIL)
- kempae, Perrinites kempae Plummer & P.H. Scott, 1937 † - (PERRINITIDAE) (FOSSIL)
- kempae, Solenochilus kempae Miller & Youngquist, 1949 † - (SOLENOCHILIDAE) (FOSSIL)
- kempae, Technophorus kempae Pojeta & al., 1977 † - (TECHNOPHORIDAE) (FOSSIL)
- kemperae, Propustularia kemperae (R.N. Nelson, 1925 †) - (CYPRAEIDAE) (FOSSIL)
- kempermani, Pyrgulina kempermani (J.J. Van Aartsen, E. Gittenberger & J. Goud, 2000) - (PYRAMIDELLIDAE)
- kempermani, Chrysallida kempermani J.J. Van Aartsen, E. Gittenberger & J. Goud, 2000 - syn of: Pyrgulina kempermani (J.J. Van Aartsen, E. Gittenberger & J. Goud, 2000) - (PYRAMIDELLIDAE)
- kempfi, Felimare kempfi (Ev. Marcus, 1971) - (CHROMODORIDIDAE)
- kempfi, Stenoplax kempfi (G. Righi, 1971) - (ISCHNOCHITONIDAE)
- kempfi, Stenoradsia kempfi (G. Righi, 1971) - syn of: Stenoplax kempfi (G. Righi, 1971) - (ISCHNOCHITONIDAE)
- kempfi, Mactra kempfi M. Cauquoin, 1969 - syn of: Trinitasia iheringi (W.H. Dall, 1897) - (MACTRIDAE)
- kempfi, Globivenus kempfi (E. Fischer-Piette & A.M. Testud, 1970) - (VENERIDAE)
- kempi, Limicolaria kempi H.B. Preston - (ACHATINIDAE)
- kempi, Minyongia kempi H.H. Godwin-Austen, 1916 - (ARIOPHANTIDAE)
- kempi, Afrodonta kempi (M. Connolly, 1925) - (CHAROPIDAE)
- kempi, Costellaria kempi H.B. Preston, 1914 - syn of: Costellaria amandum (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- kempi, Fasciolaria kempi C.J. Maury, 1910 † - syn of: Pliculofusus ramondi (C.J. Maury, 1902 †) - (FASCIOLARIIDAE) (FOSSIL)
- kempi, Nassa kempi H.B. Preston, 1916 - syn of: Nassarius agapetus (R.B. Watson, 1882) - (NASSARIIDAE)
- kempi, Nassarius kempi H.B. Preston, 1916 - syn of: Nassarius agapetus (R.B. Watson, 1882) - (NASSARIIDAE)
- kempi, Natica kempi H.B. Preston, 1916 - syn of: Natica buriasiensis C.A. Récluz, 1844 - (NATICIDAE)
- kempi, Octopus kempi C.W. Robson, 1929 - syn of: Macrotritopus defilippi (J.B. Vérany, 1851) - (OCTOPODIDAE)
- kempi, Macrotritopus kempi C.W. Robson, 1929 - syn of: Macrotritopus defilippi (J.B. Vérany, 1851) - (OCTOPODIDAE)
- kempi, Ancylastrum kempi H.B. Preston, 1912 - (PLANORBIDAE)
- kempi, Turbonilla kempi H.C. Ray, 1968 - (PYRAMIDELLIDAE)
- kempi, Eulimella kempi J. Grant-Mackie & M. Chapman-Smith, 1971 † - (PYRAMIDELLIDAE) (FOSSIL)
- kempi, Solariella kempi A.W.B. Powell, 1951 - (SOLARIELLIDAE)
- kempi, Solen kempi H.B. Preston, 1915 - (SOLENIDAE)
- kempi, Trichotoxon kempi C. Pollonera, 1911 - (UROCYCLIDAE)
- Kempia, syn of: Subgenus Pseudoglessula (Kempioconcha) H.B. Preston, 1913 (SUBULINIDAE)
- Kempioconcha, Subgenus Pseudoglessula (Kempioconcha) H.B. Preston, 1913 (SUBULINIDAE)
- kempseyensis, Rhophodon kempseyensis J. Stanisic, 1990 - (CHAROPIDAE)
- kempseyensis, Peruvispira kempseyensis G.B. Campbell, 1962 † - syn of: Montospira kempseyensis (G.B. Campbell, 1962 †) - (GOSSELETINIDAE) (FOSSIL)
- kempseyensis, Montospira kempseyensis (G.B. Campbell, 1962 †) - (PLEUROCERIIDAE) (FOSSIL)
- kempseyensis, Iotula kempseyensis (J.C. Cox, 1872) - (PUNCTIDAE)
- kemseyensis, Rhophodon kemseyensis J. Stanisic, 1990 - (CHAROPIDAE)
- kemseyensis, Punctum kemseyensis J.C. Cox, 1872 - (PUNCTIDAE)
- kenawii, Sycostoma kenawii Abbass, 1967 † - (MELONGENIDAE) (FOSSIL)
- kencolesi, Ercolania kencolesi Grzymbowski, K. Stemmer & H. Wägele, 2007 - (LIMAPONTIIDAE)
- kendacensis, Lischkeia kendacensis P.O. Jung, 1971 † - (CALLIOTROPIDAE) (FOSSIL)
- kendacensis, Clio kendacensis P.O. Jung, 1971 † - (CLIIDAE) (FOSSIL)
- kendacensis, Scalina kendacensis P.O. Jung, 1971 † - (EPITONIIDAE) (FOSSIL)
- kendalensis, Murchisonia kendalensis McCoy † - (MURCHISONIIDAE) (FOSSIL)
- Kendallena, Genus Kendallena T. Iredale, 1941 (CAMAENIDAE)
- kendalli, Drillia kendalli Harmer, 1915 † - (DRILLIIDAE) (FOSSIL)
- kendeighi, Haplotrema kendeighi G.R. Webb, 1951 - (HAPLOTREMATIDAE)
- kendengensis, Afrozoila kendengensis (F.A. Schilder, 1941 †) - (CYPRAEIDAE) (FOSSIL)
- kendengensis, Chicomurex kendengensis (C.O. Van Regteren Altena, 1950 †) - (MURICIDAE) (FOSSIL)
- kendengensis, Turritella terebra kendengensis Altena, 1938 - (TURRITELLIDAE)
- kendi, Okenia kendi T.M. Gosliner, 2004 - (GONIODORIDIDAE)
- kendrae, Microcystis kendrae K.C. Emberton & R.J. Griffiths, 2009 - (EUCONULIDAE)
- kendrae, Gulella kendrae K.C. Emberton & R.J. Griffiths, 2009 - (STREPTAXIDAE)
- kendrewi, Pyrazisinus kendrewi E.J. Petuch, 1997 † - (BATILLARIIDAE) (FOSSIL)
- kendrewi, Asprella kendrewi E.J. Petuch, 1997 † - (CONIDAE) (FOSSIL)
- kendrewi, Cypraeorbis kendrewi E.J. Petuch, 1997 † - (CYPRAEIDAE) (FOSSIL)
- kendrewi, Strombus alatus kendrewi E.J. Petuch, 2004 - (STROMBIDAE)
- kendrewi, Falsilyria kendrewi E.J. Petuch, 1997 † - (VOLUTIDAE) (FOSSIL)
- kendrewi, Conomitra kendrewi E.J. Petuch, 1997 † - (VOLUTOMITRIDAE) (FOSSIL)
- kendricki, Gabbia kendricki W.F. Ponder, 2003 - (BITHYNIIDAE)
- kendricki, Bothriembryon kendricki J. Hill, R.I. Johnson & Merrifield, 1983 - (BOTHRIEMBRYONTIDAE)
- kendricki, Austroharpa kendricki N.H. Ludbrook, 1978 † - (HARPIDAE) (FOSSIL)
- kendricki, Sphaerium kendricki J.G.J. Kuiper, 1983 - (SPHAERIIDAE)
- kendricki, Botelloides chrysalidus kendricki W.F. Ponder, 1985 - (TROCHIDAE)
- kendricki, Timoclea kendricki N.H. Ludbrook, 1978 † - (VENERIDAE) (FOSSIL)
- Kendrickia, Genus Kendrickia G.A. Solem, 1985 (CAMAENIDAE)
- Kendrickiana, Genus Kendrickiana B.S. Morton, 2004 (PENICILLIDAE)
- kenepuruensis, Climocella kenepuruensis (H.H. Suter, 1909) - (CHAROPIDAE)
- kenepuruensis, Mocella kenepuruensis (H.H. Suter, 1909) - syn of: Climocella kenepuruensis (H.H. Suter, 1909) - (CHAROPIDAE)
- kenesensis, Galba kenesensis (Halaváts, 1903 †) - (LYMNAEIDAE) (FOSSIL)
- kengaluorum, Semipallium kengaluorum H.H. Dijkstra, 1986 - syn of: Semipallium dringi (L.A. Reeve, 1853) - (PECTINIDAE)
- kengrahami, Buccipagoda kengrahami (W.F. Ponder, 1982) - (BUCCINIDAE)
- kengrahami, Kapala kengrahami W.F. Ponder, 1982 - syn of: Buccipagoda kengrahami (W.F. Ponder, 1982) - (BUCCINIDAE)
- kengtungensis, Chersaecia kengtungensis (G.P.L.K. Gude, 1914) - (PLECTOPYLIDAE)
- Kenia, syn of: Genus Nothapalus E.C. Von Martens, 1897 (SUBULINIDAE)
- keniana, Assiminea keniana (D.S. Brown, 1980) - (ASSIMINEIDAE)
- keniana, Alaea keniana H.B. Preston, 1912 - syn of: Negulus kenianus (H.B. Preston, 1912) - (VERTIGINIDAE)
- kenianum, Pisidium kenianum H.B. Preston, 1911 - (SPHAERIIDAE)
- kenianus, Negulus kenianus (H.B. Preston, 1912) - (VERTIGINIDAE)
- keniense, Trichotoxon keniense C. Pollonera, 1911 - (UROCYCLIDAE)
- kenkerensis, Gryphaea kenkerensis Bychkov & Nechitailenko, 1985 † - (GRYPHAEIDAE) (FOSSIL)
- kennardi, Nassa kennardi Harmer † - (MURICIDAE) (FOSSIL)
- kennecottense, Franziceras kennecottense Longridge & al., 2008 † - (PSILOCERATIDAE) (FOSSIL)
- kennedyensis, Schizodus kennedyensis Dickins, 1956 † - (SCHIZODIDAE) (FOSSIL)
- kennedyi, Cypraea kennedyi G.F. Harris, 1895 † - syn of: Sulcocypraea kennedyi (G.F. Harris, 1895 †) - (CYPRAEIDAE) (FOSSIL)
- kennedyi, Sulcocypraea kennedyi (G.F. Harris, 1895 †) - (EOCYPRAEIDAE) (FOSSIL)
- kennedyi, Theliostyla kennedyi R.L. Squires & Saul, 2003 † - (NERITIDAE) (FOSSIL)
- kennellyi, Mitromorpha kennellyi R.N. Kilburn, 1986 - (MITROMORPHIDAE)
- kennerleyi, Mopalia kennerleyi P.P. Carpenter, 1864 - (MOPALIIDAE)
- kennerleyi, Odostomia kennerleyi W.H. Dall & P. Bartsch, 1907 - (PYRAMIDELLIDAE)
- kennerleyi, Humilaria kennerleyi (L.A. Reeve, 1863) - (VENERIDAE)
- kennerleyi swanii, Mopalia kennerleyi swanii P.P. Carpenter, 1864 - syn of: Mopalia swanii P.P. Carpenter, 1864 - (MOPALIIDAE)
- Kennerleyia, syn of: Subgenus Pandora (Pandorella) Conrad, 1863 (PANDORIDAE) (FOSSIL)
- Kennerlia, syn of: Genus Pandora J.H. Chemnitz, 1795 (PANDORIDAE)
- kennerlyi, Tindaria kennerlyi W.H. Dall, 1916 - (TINDARIIDAE)
- kennerlyi, Anodonta kennerlyi I. Lea, 1860 - (UNIONIDAE)
- Kennerlyia, syn of: Subgenus Pandora (Pandorella) Conrad, 1863 (PANDORIDAE) (FOSSIL)
- Kennerlyia, syn of: Subgenus Pandora (Pandorella) Conrad, 1863 (PANDORIDAE) (FOSSIL)
- kennethdebaetsi, Arionoceras kennethdebaetsi M.A. Frey & al., 2014 † - (ARIONOCERATIDAE) (FOSSIL)
- kennethi, Sinoennea kennethi J.J. Vermeulen, 2007 - (DIAPHERIDAE)
- kennethi, Epicodakia kennethi (T. Iredale, 1936) - (LUCINIDAE)
- kennethi, Liguus fasciatus kennethi A.M. Jones, 1979 - (ORTHALICIDAE)
- kennethi, Rissoella kennethi G.M. Caballer, J.A. Ortea & C. Redfern, 2014 - (RISSOELLIDAE)
- kenneti, Comitas kenneti A.G. Beu, 1970 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- kenneyi, Mareleptopoma kenneyi (H.S. Ladd, 1966 †) - (PICKWORTHIIDAE) (FOSSIL)
- kenneyi, Alvania kenneyi H.S. Ladd, 1966 † - (RISSOIDAE) (FOSSIL)
- kennicotti, Suavodrillia kennicotti (W.H. Dall, 1871) - (BORSONIIDAE)
- kennicotti, Drillia kennicotti W.H. Dall, 1871 - syn of: Suavodrillia kennicotti (W.H. Dall, 1871) - (DRILLIIDAE)
- kennicotti, Stagnicola kennicotti F.C. Baker, 1933 - (LYMNAEIDAE)
- kennicotti, Helisoma kennicotti H.B. Baker, 1945 - (PLANORBIDAE)
- kennicotti, Cryptodaphne kennicotti (W.H. Dall, 1871) - (RAPHITOMIDAE)
- Kennicottia, Genus Kennicottia Imlay , 1959 (DESMOCERATIDAE) (FOSSIL)
- kennicottii, Beringius kennicottii (W.H. Dall, 1871) - (BUCCINIDAE)
- kennicottii, Anodonta kennicottii I. Lea, 1861 - syn of: Anodonta grandis T. Say, 1829 - (UNIONIDAE)
- kennicottii, Mercenaria kennicottii W.H. Dall, 1871 - syn of: Mercenaria campechiensis (J.F. Gmelin, 1791) - (VENERIDAE)
- kenonis, Fenella kenonis M. Yokoyama, 1924 - syn of: Cerithidium perparvulum (R.B. Watson, 1886) - (SCALIOLIDAE)
- kensaki, Loligo kensaki Wakiya & M. Ishikawa, 1921 - syn of: Uroteuthis edulis (W.E. Hoyle, 1885) - (LOLIGINIDAE)
- Kenseyoceras, Genus Kenseyoceras Selwood, 1960 (PRIONOCERATIDAE) (FOSSIL)
- kensleyi, Spiniphiline kensleyi T.M. Gosliner, 1988 - (PHILINIDAE)
- Kentiella, syn of: Genus Nembrotha L.S.R. Bergh, 1877 (POLYCERIDAE)
- Kentlandoceras, Genus Kentlandoceras Foerste, 1932 (ONCOCERATIDAE) (FOSSIL)
- Kentrodoris, Genus Kentrodoris L.S.R. Bergh, 1876 (DISCODORIDIDAE)
- kentuckiense, Actinoceras kentuckiense Foerste & Teichert, 1930 † - (ACTINOCERATIDAE) (FOSSIL)
- kentuckiense, Masonoceras kentuckiense Work & G.E. Manger, 2002 † - (KARAGANDOCERATIDAE) (FOSSIL)
- kentuckiensis, Choctawites kentuckiensis (Miller, 1889 †) - (DELEPINOCERATIDAE) (FOSSIL)
- kentuckiensis, Trepospira kentuckiensis Sturgeon, 1937 † - (EOTOMARIIDAE) (FOSSIL)
- kentuckiensis, Stegocoelia kentuckiensis Thein & Nitecki, 1974 † - (GONIASMATIDAE) (FOSSIL)
- kentuckiensis, Goniatites kentuckiensis Miller, 1889 † - syn of: Choctawites kentuckiensis (Miller, 1889 †) - (GONIATITIDAE) (FOSSIL)
- kentuckiensis, Angyomphalus kentuckiensis Thein & Nitecki, 1974 † - (GOSSELETINIDAE) (FOSSIL)
- kentuckyense, Salpingostoma kentuckyense Ulrich & Scofield, 1897 † - (BUCANIIDAE) (FOSSIL)
- kentuckyensis, Portlockiella kentuckyensis Knight, 1945 † - (PORTLOCKIELLIDAE) (FOSSIL)
- kenwilliamsi, Turbo kenwilliamsi S. Williams, 2008 - (TURBINIDAE)
- kenyaensis, Paolaura kenyaensis C. Smriglio & P. Mariottini, 2001 - (MARGINELLIDAE)
- kenyanum, Vasticardium kenyanum (L.R. Cox, 1930) - (CARDIIDAE)
- Kenyirus, Genus Kenyirus Clements & Tan, 2012 (CAMAENIDAE)
- kenyonae, Conus kenyonae J.W. Brazier, 1896 - syn of: Fraterconus distans (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- kenyonae, Monetaria caputserpentis kenyonae F.A. Schilder & M. Schilder, 1938 - (CYPRAEIDAE)
- kenyonae arrowsmithensis, Conus kenyonae arrowsmithensis J.W. Brazier, 1896 - syn of: Fraterconus distans (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- kenyoni, Glyphiolobus kenyoni (J. Brown, 1841 †) - (DIMORPHOCERATIDAE) (FOSSIL)
- Kenyonia, Genus Kenyonia J.W. Brazier, 1896 (CONIDAE)
- kenyoniana, Glycymeris kenyoniana J.W. Brazier, 1897 - syn of: Glycymeris grayana (R.W. Dunker, 1857) - (GLYCYMERIDIDAE)
- kenyoniana, Gari kenyoniana (G.B. Pritchard & J.H. Gatliff, 1904) - (PSAMMOBIIDAE)
- kenyoniana, Tellina kenyoniana G.B. Pritchard & J.H. Gatliff, 1904 - syn of: Gari kenyoniana (G.B. Pritchard & J.H. Gatliff, 1904) - (TELLINIDAE)
- kenyoniana, Ericusa kenyoniana J.W. Brazier, 1898 - syn of: Ericusa papillosa kenyoniana (J.W. Brazier, 1898) - (VOLUTIDAE)
- kenyoniana, Ericusa papillosa kenyoniana (J.W. Brazier, 1898) - (VOLUTIDAE)
- Kenzieana, Genus Kenzieana Liljedahl, 1989 (SPANILIDAE) (FOSSIL)
- keohea, Limaria keohea (W.H. Dall, P. Bartsch & H.A. Rehder, 1938) - (LIMIDAE)
- keokea, Limaria keokea W.H. Dall, P. Bartsch & H.A. Rehder, 1938 - syn of: Limaria keohea (W.H. Dall, P. Bartsch & H.A. Rehder, 1938) - (LIMIDAE)
- keoughensis, Aviculopecten keoughensis Snider, 1915 † - (AVICULOPECTINIDAE) (FOSSIL)
- keownvillensis, Latirus keownvillensis N.F. Sohl, 1964 † - (FASCIOLARIIDAE) (FOSSIL)
- keownvillensis, Damesia keownvillensis N.F. Sohl, 1960 † - syn of: Latirus keownvillensis N.F. Sohl, 1964 † - (NATICOPSIDAE) (FOSSIL)
- kepensis, Pyrgulina kepensis E. Saurin, 1962 - (PYRAMIDELLIDAE)
- kephissiae, Idyla bicristata kephissiae (J.R. Roth, 1856) - (CLAUSILIIDAE)
- kepii, Pontohedyle kepii K.M. Jörger & M. Schrödl, 2013 - (PARHEDYLIDAE)
- kepinensis, Sphenosphaera kepinensis Yü, 1961 † - (BELLEROPHONTIDAE) (FOSSIL)
- Kepingomites, Genus Kepingomites Chen , 1988 (AULACOCERATIDAE) (FOSSIL)
- Kepinospira, Genus Kepinospira Yu, 1961 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- kepintaghensis, Ecculiomphalus kepintaghensis Yü, 1961 † - (OPHILETIDAE) (FOSSIL)
- keppelensis, Thersites keppelensis (T. Iredale, 1937) - (CAMAENIDAE)
- keppelensis, Volvarina keppelensis (C.F. Laseron, 1957) - (MARGINELLIDAE)
- keppelensis, Volutoconus keppelensis P. Bail & A. Limpus, 2013 - (VOLUTIDAE)
- keppeli, Japonia keppeli (H.H. Godwin-Austen, 1889) - (CYCLOPHORIDAE)
- keppeli, Glabella keppeli E.R. Sykes, 1905 - syn of: Glabella tyermani (F.P. Marrat, 1876) - (MARGINELLIDAE)
- keppeli, Marginella keppeli E.R. Sykes, 1905 - syn of: Glabella tyermani (F.P. Marrat, 1876) - (MARGINELLIDAE)
- keppeliana, Fissurella keppeliana G.B. Sowerby, 1911 - syn of: Fissurella alabastrites L.A. Reeve, 1849 - (FISSURELLIDAE)
- keppeliana, Venus keppeliana G.B. III Sowerby, 1905 - syn of: Leukoma metodon (H.A. Pilsbry & H.N. Lowe, 1932) - (VENERIDAE)
- keppeliana, Yoldia keppeliana G.B. III Sowerby, 1904 - syn of: Yoldia seminuda W.H. Dall, 1871 - (YOLDIIDAE)
- keppeliana pseudonotabile, Yoldia keppeliana pseudonotabile O.A. Scarlato, 1981 - syn of: Yoldia pseudonotabilis O.A. Scarlato, 1981 - (YOLDIIDAE)
- keppelianus, Pecten keppelianus G.B. III Sowerby, 1905 - (PECTINIDAE)
- keppelli, Bulimus keppelli L. Pfeiffer, 1853 - syn of: Drymaeus vexillum (W. Wood, 1828) - (BULIMULIDAE)
- keppelliana, Myochama keppelliana A. Adams, 1854 - syn of: Myochama anomioides S. Stutchbury, 1830 - (MYOCHAMIDAE)
- keppleri, Kepplerites keppleri (Oppel, 1862 †) - (KOSMOCERATIDAE) (FOSSIL)
- Kepplerites, Genus Kepplerites Neumayr & Uhlig, 1892 (KOSMOCERATIDAE) (FOSSIL)
- keradreni, Papuina keradreni (M. Vignard, 1829) - (CAMAENIDAE)
- keradreni, Pupina keradreni M. Vignard, 1829 - syn of: Pupina keraudrenii M. Vignard, 1829 - (PUPINIDAE)
- Keraea, Subgenus Discus (Keraea) G.P.L.K. Gude, 1911 (DISCIDAE)
- Keraiaceras, Genus Keraiaceras Flower, 1964 (ELLESMEROCERIDA (unassigned)) (FOSSIL)
- Kerakystis, Subgenus Lamprocystis (Kerakystis) F.C. Baker, 1940 (EUCONULIDAE)
- keralaenis, Solariella keralaenis M. Harzhauser, 2014 † - (SOLARIELLIDAE) (FOSSIL)
- keralaensis, Circulus keralaensis M. Harzhauser, 2014 † - (TORNIDAE) (FOSSIL)
- keralaensis, Jujubinus keralaensis M. Harzhauser, 2014 † - (TROCHIDAE) (FOSSIL)
- keralensis, Pteroctopus keralensis (V.P. Oommen, 1966) - (OCTOPODIDAE)
- keralensis, Danoctopus keralensis V.P. Oommen, 1966 - syn of: Pteroctopus keralensis (V.P. Oommen, 1966) - (OCTOPODIDAE)
- keras, Calliotropis keras C. Vilvens, 2007 - (CALLIOTROPIDAE)
- keras, Dentalium keras A.A. Gould, 1859 - (DENTALIIDAE)
- keratina, Otesiopsis keratina (P.M. Heude, 1890) - (ARIOPHANTIDAE)
- Keratinites, Genus Keratinites Buckman, 1925 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- Keration, Genus Keration Broili, 1907 (TUBINIDAE) (FOSSIL)
- keratium, Epitonium keratium W.H. Dall, 1919 - syn of: Epitonium acapulcanum W.H. Dall, 1917 - (EPITONIIDAE)
- keratium, Asperiscala keratium W.H. Dall, 1919 - syn of: Epitonium acapulcanum W.H. Dall, 1917 - (EPITONIIDAE)
- keratium, Sinum keratium W.H. Dall, 1919 - (NATICIDAE)
- keratochroma, Joculator keratochroma M. Jay & J. Drivas, 2002 - (CERITHIOPSIDAE)
- keratophaga, Avicula keratophaga von Schlotheim, 1816 † - syn of: Bakevellia ceratophaga (von Schlotheim, 1816 †) - (PTERIIDAE) (FOSSIL)
- keratophagus, Mytulites keratophagus von Schlotheim, 1816 † - syn of: Bakevellia ceratophaga (von Schlotheim, 1816 †) - (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- keratophorus, Keratinites keratophorus Buckman † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- keraudreni, Aplysia keraudreni P.C.A.S.L. Rang, 1828 - (APLYSIIDAE)
- keraudreni, Unio keraudreni J.F.T. Eydoux, 1838 - syn of: Radiatula caerulea (I. Lea, 1831) - (UNIONIDAE)
- keraudrenii, Atlanta keraudrenii C.A. Lesueur, 1817 - syn of: Atlanta peronii C.A. Lesueur, 1817 - (ATLANTIDAE)
- keraudrenii, Pterotrachea keraudrenii J.E. Gray, 1850 - (PTEROTRACHEIDAE)
- keraudrenii, Pupina keraudrenii M. Vignard, 1829 - (PUPINIDAE)
- Kerberites, Genus Kerberites Buckman, 1924 (AMMONOIDEA (unassigned)) (FOSSIL)
- kerberus, Titanites kerberus (S.S. Buckman, 1921 †) - (AMMONOIDEA (unassigned)) (FOSSIL)
- kercadonis, Lignus kercadonis (J.P.S. Grateloup, 1839) - (ACHATINIDAE)
- kerchensis, Pseudamnicola kerchensis Iljina in Iljina & al., 1976 † - (HYDROBIIDAE) (FOSSIL)
- Kerchia, Genus Kerchia Bandel, 2010 (HYDROBIIDAE) (FOSSIL)
- Kereia, syn of: Genus Dosinia J.A. Scopoli, 1777 (VENERIDAE)
- kerensis, Mangonuia kerensis H.S. Ladd, 1982 - syn of: Granosolarium asperum (R.B. Hinds, 1844) - (ARCHITECTONICIDAE)
- kerereense, Parennea kerereense (W. Adam & J.L. Van Goethem, 1978) - (STREPTAXIDAE)
- kereruensis, Cominella kereruensis C.R. Laws, 1932 † - (BUCCINIDAE) (FOSSIL)
- kereruensis, Turbonilla kereruensis (C.R. Laws, 1937 †) - (PYRAMIDELLIDAE) (FOSSIL)
- kergueleae, Odostomia kergueleae J.J. Van Aartsen & J.X. Corgan, 1996 - (PYRAMIDELLIDAE)
- Kerguelenatica, Genus Kerguelenatica A. Powell, 1951 (NATICIDAE)
- Kerguelenella, Genus Kerguelenella A. Powell, 1946 (SIPHONARIIDAE)
- kerguelenensis, Doris kerguelenensis (L.S.R. Bergh, 1884) - (DORIDIDAE)
- kerguelenensis, Eatoniella kerguelenensis (E.A. Smith, 1875) - (EATONIELLIDAE)
- kerguelenensis, Nacella kerguelenensis (E.A. Smith, 1877) - (NACELLIDAE)
- kerguelenensis chiltoni, Eatoniella kerguelenensis chiltoni (H.H. Suter, 1909) - (EATONIELLIDAE)
- kerguelenensis regularis, Eatoniella kerguelenensis regularis (E.A. Smith, 1915) - (EATONIELLIDAE)
- kergueleni, Onoba kergueleni (E.A. Smith, 1875) - (RISSOIDAE)
- Kerguelenia, syn of: Genus Pugillaria T. Iredale, 1924 (SIPHONARIIDAE)
- kerguelensis, Cadlina kerguelensis K.H.J. Thiele, 1912 - (CADLINIDAE)
- kerguelensis, Cerithiopsilla kerguelensis (K.H.J. Thiele, 1912) - (CERITHIOPSIDAE)
- kerguelensis, Cuspidaria kerguelensis (E.A. Smith, 1885) - (CUSPIDARIIDAE)
- kerguelensis, Diaphana kerguelensis K.H.J. Thiele, 1912 - syn of: Diaphana paessleri (H. Strebel, 1905) - (DIAPHANIDAE)
- kerguelensis, Eatoniella kerguelensis H.H. Suter, 1909 - syn of: Eatoniella kerguelenensis (E.A. Smith, 1875) - (EATONIELLIDAE)
- kerguelensis, Gaimardia kerguelensis (E.A. Smith, 1885) - (GAIMARDIIDAE)
- kerguelensis, Leptochiton kerguelensis A. Haddon, 1886 - (LEPTOCHITONIDAE)
- kerguelensis, Mytilus kerguelensis E.A. Smith, 1885 - syn of: Philobrya kerguelensis (E.A. Smith, 1885) - (MYTILIDAE)
- kerguelensis, Mytilus kerguelensis E.M. Fletcher, 1938 - syn of: Mytilus desolationis É. Lamy, 1936 - (MYTILIDAE)
- kerguelensis, Nucula kerguelensis K.H.J. Thiele, 1912 - (NUCULIDAE)
- kerguelensis, Philine kerguelensis K.H.J. Thiele, 1925 - (PHILINIDAE)
- kerguelensis, Philobrya kerguelensis (E.A. Smith, 1885) - (PHILOBRYIDAE)
- kerguelensis, Lissarca kerguelensis K.H.J. Thiele, 1912 - (PHILOBRYIDAE)
- kerguelensis, Ocheyoherpia kerguelensis L. Salvini-Plawén, 2005 - (PHYLLOMENIIDAE)
- kerguelensis, Brookula kerguelensis K.H.J. Thiele, 1925 - (SEGUENZIOIDEA (unassigned))
- kerguelensis, Cirsonella kerguelensis K.H.J. Thiele, 1912 - (SKENEIDAE)
- kerguelensis, Yoldia kerguelensis K.H.J. Thiele & S.G.A. Jaeckel, 1931 - syn of: Yoldia eightsii (J.C. Jay, 1839) - (YOLDIIDAE)
- kerica, Cryptomya kerica E.G. Hendrickson, 1928 - syn of: Cryptomya californica (T.A. Conrad, 1837) - (MYIDAE)
- kerica, Macoma kerica E.G. Hendrickson, 1928 - syn of: Cryptomya californica (T.A. Conrad, 1837) - (TELLINIDAE)
- Kericserites, Genus Kericserites Geczy & Meister, 2007 (LYTOCERATIDAE) (FOSSIL)
- kerketianus, Allaegopis kerketianus F. Riedel, 1993 - (ZONITIDAE)
- Kerkia, Genus Kerkia P. Radoman, 1978 (HYDROBIIDAE)
- kerklotsiana, Cancilla kerklotsiana W.L.H. Dohrn, 1861 - syn of: Cancilla isabella (W.J. Swainson, 1831) - (MITRIDAE)
- Kerkophorus, Subgenus Sheldonia (Kerkophorus) H.H. Godwin-Austen, 1912 (UROCYCLIDAE)
- kermadecae, Chistikovia kermadecae V. Scarabino, 1995 - (WEMERSONIELLIDAE)
- kermadecensis, Tornatellina kermadecensis H.A. Pilsbry & C.M. Cooke, 1915 - syn of: Tornatellides subperforatus kermadecensis H.A. Pilsbry & S. Cooke, 1915 - (ACHATINELLIDAE)
- kermadecensis, Tornatellides subperforatus kermadecensis H.A. Pilsbry & S. Cooke, 1915 - (ACHATINELLIDAE)
- kermadecensis, Aclis kermadecensis J. Knudsen, 1964 - syn of: Crinolamia kermadecensis (J. Knudsen, 1964) - (ACLIDIDAE)
- kermadecensis, Bathyspinula kermadecensis (J. Knudsen, 1970) - (BATHYSPINULIDAE)
- kermadecensis, Spinula kermadecensis J. Knudsen, 1970 - syn of: Bathyspinula kermadecensis (J. Knudsen, 1970) - (BATHYSPINULIDAE)
- kermadecensis, Leptothyra kermadecensis B.A. Marshall, 1979 - (COLLONIIDAE)
- kermadecensis, Zafra kermadecensis W.R.B. Oliver, 1915 - (COLUMBELLIDAE)
- kermadecensis, Calamiconus kermadecensis (T. Iredale, 1913) - (CONIDAE)
- kermadecensis, Conus kermadecensis J.W. Brazier, 1896 - syn of: Fraterconus distans (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- kermadecensis, Erosaria cernica kermadecensis A.W.B. Powell, 1958 - (CYPRAEIDAE)
- kermadecensis, Crinolamia kermadecensis (J. Knudsen, 1964) - (EULIMIDAE)
- kermadecensis, Sticteulima kermadecensis (W.R.B. Oliver, 1915) - (EULIMIDAE)
- kermadecensis, Melanella kermadecensis W.R.B. Oliver, 1915 - (EULIMIDAE)
- kermadecensis, Kermarion kermadecensis (E.A. Smith, 1873) - (HELICARIONIDAE)
- kermadecensis, Ischnochiton kermadecensis T. Iredale, 1914 - (ISCHNOCHITONIDAE)
- kermadecensis, Limatula kermadecensis K.H.J. Thiele, 1920 - syn of: Limatula insularis W.R.B. Oliver, 1915 - (LIMIDAE)
- kermadecensis, Ziba kermadecensis W.O. Cernohorsky, 1978 - (MITRIDAE)
- kermadecensis, Neilonella kermadecensis J. Knudsen, 1970 - (NEILONELLIDAE)
- kermadecensis, Parayoldiella kermadecensis (J. Knudsen, 1970) - (NUCULANIDAE)
- kermadecensis, Ledella kermadecensis J. Knudsen, 1970 - (NUCULANIDAE)
- kermadecensis, Amphilata kermadecensis Knudson, 1970 - syn of: Ledella kermadecensis J. Knudsen, 1970 - (NUCULANIDAE)
- kermadecensis, Pronucula kermadecensis W.R.B. Oliver, 1915 - (NUCULIDAE)
- kermadecensis, Callistoctopus kermadecensis (S.S. Berry, 1914) - (OCTOPODIDAE)
- kermadecensis, Polypus kermadecensis S.S. Berry, 1914 - syn of: Callistoctopus kermadecensis (S.S. Berry, 1914) - (OCTOPODIDAE)
- kermadecensis, Pinnoctopus kermadecensis S.S. Berry, 1914 - syn of: Callistoctopus kermadecensis (S.S. Berry, 1914) - (OCTOPODIDAE)
- kermadecensis, Scutellastra kermadecensis (H.A. Pilsbry, 1894) - (PATELLIDAE)
- kermadecensis, Patella kermadecensis H.A. Pilsbry, 1894 - syn of: Scutellastra kermadecensis (H.A. Pilsbry, 1894) - (PATELLIDAE)
- kermadecensis, Cyclopecten kermadecensis (E.A. Smith, 1885) - (PROPEAMUSSIIDAE)
- kermadecensis, Turbonilla kermadecensis A.E. Salisbury, 1936 - (PYRAMIDELLIDAE)
- kermadecensis, Onoba kermadecensis (A.W.B. Powell, 1927) - (RISSOIDAE)
- kermadecensis, Alvania kermadecensis (W.R.B. Oliver, 1915) - (RISSOIDAE)
- kermadecensis, Williamia kermadecensis T. Iredale, 1912 - syn of: Williamia radiata (W.H. Pease, 1860) - (SIPHONARIIDAE)
- kermadecensis, Euprotomus vomer kermadecensis L. Bozzetti, 2009 - (STROMBIDAE)
- kermadecensis, Metaxia kermadecensis B.A. Marshall, 1977 - (TRIPHORIDAE)
- kermadecensis, Acremodontina kermadecensis B.A. Marshall, 1995 - (TROCHACLIDIDAE)
- kermadecensis, Bolma kermadecensis A.G. Beu & W.F. Ponder, 1979 - (TURBINIDAE)
- kermadecensis, Roya kermadecensis T. Iredale, 1912 - syn of: Williamia radiata nutata (C. Hedley, 1908) - (TYLODINIDAE)
- kermadecensis, Xenophora neozelanica kermadecensis W.F. Ponder, 1983 - (XENOPHORIDAE)
- kermadecensis, Yoldia kermadecensis Knudson, 1970 - (YOLDIIDAE)
- kermadecensis, Portlandia kermadecensis J. Knudsen, 1970 - syn of: Parayoldiella kermadecensis (J. Knudsen, 1970) - (YOLDIIDAE)
- kermadecensis, Yoldia kermadecensis J. Knudsen, 1970 - syn of: Parayoldiella kermadecensis (J. Knudsen, 1970) - (YOLDIIDAE)
- kermadeci, Kieconcha kermadeci (L. Pfeiffer, 1856) - (EUCONULIDAE)
- Kermadysmea, Genus Kermadysmea A. Powell, 1958 (PSAMMOBIIDAE)
- kermani, Hippocardia kermani Hoare & Aghababula, 2001 † - (HIPPOCARDIIDAE) (FOSSIL)
- kermanshahensis, Intermaria kermanshahensis (P. Glöer & V.M. Pešic, 2009) - (HYDROBIIDAE)
- kermanshahensis, Pseudamnicola kermanshahensis P. Glöer & V.M. Pešic, 2009 - syn of: Intermaria kermanshahensis (P. Glöer & V.M. Pešic, 2009) - (HYDROBIIDAE)
- Kermarion, Genus Kermarion E.A. Smith, 1873 (HELICARIONIDAE)
- Kermasprella, syn of: Genus Endemoconus T. Iredale, 1931 (CONIDAE)
- kermatoides, Fossulorbis kermatoides (A.V.M.D. D'Orbigny, 1835) - (PLANORBIDAE)
- Kermia, Genus Kermia W.R.B. Oliver, 1915 (RAPHITOMIDAE)
- kermodei, Nassa kermodei Kendall † - (MURICIDAE) (FOSSIL)
- Kermodon, Genus Kermodon T. Iredale, 1945 (CHAROPIDAE)
- kermorvani, Elona kermorvani A. Moquin-Tandon, 1855 - syn of: Elona quimperiana (A.E.J. Férussac, 1821) - (ELONIDAE)
- kernense, Nostoceras kernense Anderson, 1958 † - (NOSTOCERATIDAE) (FOSSIL)
- kernensis, Acroteuthis kernensis F.M. Anderson, 1938 † - (PASSALOTEUTHIDIDAE) (FOSSIL)
- kerni, Canalispira kerni E.F. Garcia, 2007 - (CYSTISCIDAE)
- kerniana, Aturia kerniana Anderson & G.D. Hanna, 1925 † - (ATURIIDAE) (FOSSIL)
- kernoi, Favartia kernoi (R. Houart & M. Severns, 2013) - (MURICIDAE)
- kernoi, Pygmaepterys kernoi R. Houart & M. Severns, 2013 - syn of: Favartia kernoi (R. Houart & M. Severns, 2013) - (MURICIDAE)
- kerochuta, Alaginella kerochuta (L.J. Shackleford, 1914) - (MARGINELLIDAE)
- kerrana, Cytora kerrana N.W. Gardner, 1968 - (LIAREIDAE)
- kerri, Lima kerri L.W. Stephenson, 1923 † - (LIMIDAE) (FOSSIL)
- kerri, Stikinoceras kerri McLearn, 1930 † - (THISBITIDAE) (FOSSIL)
- Kerryclarkella, Genus Kerryclarkella K. Jensen, 2015 (LIMAPONTIIDAE)
- Kersadiella, syn of: Genus Bembexia Oehlert & Oehlert, 1888 (EOTOMARIIDAE) (FOSSIL)
- kerschneri, Hauffenia kerschneri (S. Zimmermann, 1930) - (HYDROBIIDAE)
- kershawi, Pisinna kershawi (J.E. Tenison-Woods, 1878) - (ANABATHRIDAE)
- kershawi, Cryptassiminea kershawi H. Fukuda & W.F. Ponder, 2005 - (ASSIMINEIDAE)
- kershawi, Pygmipanda kershawi (J.W. Brazier, 1872) - (CARYODIDAE)
- kershawi, Allocharopa kershawi (W.F. Petterd, 1869) - (CHAROPIDAE)
- kershawi, Haliotis jacnensis kershawi B. Owen, 2012 - (HALIOTIDAE)
- kershawi, Beddomeia kershawi W.F. Ponder & K.B. Clark, 1993 - (HYDROBIIDAE)
- kershawi, Glyptophysa kershawi J.E. Tenison-Woods, 1878 - (PLANORBIDAE)
- kershawi, Rissoina kershawi J.E. Tenison-Woods, 1878 - syn of: Pisinna kershawi (J.E. Tenison-Woods, 1878) - (RISSOINIDAE)
- kerslakae, Acrosterigma kerslakae J.M. Healy & K.L. Lamprell, 1992 - (CARDIIDAE)
- kerslakae, Murex kerslakae W.F. Ponder & E.H. Vokes, 1988 - (MURICIDAE)
- kerslakei, Aclophora kerslakei C.F. Laseron, 1958 - (TRIPHORIDAE)
- kersteni, Africonus kersteni (M.J. Tenorio, C.M.L. Afonso & E. Rolán, 2008) - (CONIDAE)
- kerstinae, Turbonilla kerstinae C.F.C. Schander, 1994 - (PYRAMIDELLIDAE)
- kerstingi, Strepsidura kerstingi O.S. Adegoke, 1977 † - (STREPSIDURIDAE) (FOSSIL)
- kerstitchi, Conus kerstitchi J.G. Walls, 1978 - (CONIDAE)
- kerstitchi, Oliva kerstitchi A.J. Da Motta, 1985 - (OLIVIDAE)
- kerstovense, Curtoceras kerstovense Balaschov, 1953 † - (TROCHOLITIDAE) (FOSSIL)
- kervillei, Limax kervillei J. Germain, 1907 - syn of: Lehmannia nyctelia (J.R. Bourguignat, 1861) - (LIMACIDAE)
- kesebiana, Otala kesebiana P.M. Pallary, 1921 - syn of: Otala lactea (O.F. Müller, 1774) - (HELICIDAE)
- kesebiana, Otala ahmarina kesebiana (P.M. Pallary, 1920) - (HELICIDAE)
- kesenensis, Acteocina kesenensis (S. Nomura & K.M. Hatai, 1935) - (ACTEOCINIDAE)
- kesenensis, Crenipecten kesenensis I. Hayasaka, 1925 † - syn of: Euchondria kesenensis (I. Hayasaka, 1925 †) - (AVICULOPECTINIDAE) (FOSSIL)
- kesenensis, Euchondria kesenensis (I. Hayasaka, 1925 †) - (EUCHONDRIIDAE) (FOSSIL)
- kesenensis, Syrnola kesenensis S. Nomura, 1938 - (PYRAMIDELLIDAE)
- kesenensis, Retusa kesenensis S. Nomura & K.M. Hatai, 1935 - syn of: Acteocina kesenensis (S. Nomura & K.M. Hatai, 1935) - (RETUSIDAE)
- kesenensis, Tellina kesenensis S. Nomura & K.M. Hatai, 1935 - syn of: Cadella lubrica (A.A. Gould, 1861) - (TELLINIDAE)
- kesennumana, Turbonilla kesennumana S. Nomura, 1938 - (PYRAMIDELLIDAE)
- kesennumensis, Jilingites kesennumensis Ehiro & Araki, 1997 † - (MARATHONITIDAE) (FOSSIL)
- kesennumensis, Menestho kesennumensis S. Nomura, 1938 - (PYRAMIDELLIDAE)
- kesslerense, Phaneroceras kesslerense (Mather, 1915 †) - (PSEUDOPARALEGOCERATIDAE) (FOSSIL)
- kesslerorum, Cypraeovula kesslerorum F.Jr. Lorenz, 2006 - (CYPRAEIDAE)
- kessneri, Gabbia kessneri W.F. Ponder, 2003 - (BITHYNIIDAE)
- kessneri, Amplirhagada kessneri F. Köhler, 2010 - (CAMAENIDAE)
- kessneri, Rhagada kessneri F. Köhler, 2011 - (CAMAENIDAE)
- kessneri, Cristilabrum kessneri G.A. Solem, 1989 - (CAMAENIDAE)
- kessneri, Rotacharopa kessneri J. Stanisic, 1990 - (CHAROPIDAE)
- kessneri, Colenuda kessneri W.F. Ponder, H. Fukuda & A. Hallan, 2014 - (CLENCHIELLIDAE)
- kessneri, Dendrodoris kessneri Tejedo, 1994 - syn of: Dendrodoris grandiflora (J.L. Rapp, 1827) - (DENDRODORIDIDAE)
- kessneri, Dentalium kessneri K.L. Lamprell & J.M. Healy, 1998 - (DENTALIIDAE)
- kessneri, Beddomeia kessneri W.F. Ponder & K.B. Clark, 1993 - (HYDROBIIDAE)
- kessneri, Fluviopupa kessneri W.F. Ponder & M. Shea, 2014 - (HYDROBIIDAE)
- kessneri, Pupilla kessneri G.A. Solem, 1989 - (PUPILLIDAE)
- Kessneria, Genus Kessneria J.C. Walker & W.F. Ponder, 2001 (PLANORBIDAE)
- kesteveni, Vacerrena kesteveni (C. Hedley, 1900) - (FISSURELLIDAE)
- kesteveni, Puncturella kesteveni C. Hedley, 1900 - syn of: Vacerrena kesteveni (C. Hedley, 1900) - (FISSURELLIDAE)
- kesteveni, Herewardia kesteveni (C. Hedley, 1907) - (PYRAMIDELLIDAE)
- kesteveni, Latitriphora kesteveni (C. Hedley, 1903) - (TRIPHORIDAE)
- kesteveni, Triphora kesteveni C. Hedley, 1903 - syn of: Latitriphora kesteveni (C. Hedley, 1903) - (TRIPHORIDAE)
- kesteveni, Astralium kesteveni T. Iredale, 1924 - syn of: Bellastraea squamifera (F.C.L. Koch, 1844) - (TURBINIDAE)
- kesteveni, Bellastraea kesteveni T. Iredale, 1924 - syn of: Bellastraea squamifera (F.C.L. Koch, 1844) - (TURBINIDAE)
- Kestocenbra, Genus Kestocenbra Vermeij, 1998 (NEOGASTROPODA (unassigned)) (FOSSIL)
- Kestocenebra, Genus Kestocenebra Vermeij, 1998 (MURICIDAE) (FOSSIL)
- keswickensis, Turritella keswickensis A.A. Olsson, 1928 † - (TURRITELLIDAE) (FOSSIL)
- Ketemecornus, Genus Ketemecornus Sysoev, 1974 (ANGUSTICORNIDAE) (FOSSIL)
- ketos, Discodoris ketos Er. Marcus & Ev. Marcus, 1967 - syn of: Tayuva lilacina (A.A. Gould, 1852) - (DISCODORIDIDAE)
- ketos, Tayuva ketos Er. Marcus & Ev. Marcus, 1967 - syn of: Tayuva lilacina (A.A. Gould, 1852) - (DISCODORIDIDAE)
- ketos gila, Discodoris ketos gila Er. Marcus & Ev. Marcus, 1970 - syn of: Tayuva lilacina (A.A. Gould, 1852) - (DISCODORIDIDAE)
- ketos gila, Tayuva ketos gila Er. Marcus & Ev. Marcus, 1970 - syn of: Tayuva lilacina (A.A. Gould, 1852) - (DISCODORIDIDAE)
- ketos juva, Tayuva ketos juva Er. Marcus & Ev. Marcus, 1970 - syn of: Tayuva lilacina (A.A. Gould, 1852) - (DISCODORIDIDAE)
- Ketosia, Genus Ketosia F.N. Dos Santos & R.S. Absalγo, 2006 (BARLEEIIDAE)
- ketosjuva, Tayuva ketosjuva Er. Marcus & Ev. Marcus, 1970 - (DISCODORIDIDAE)
- ketronambrae, Kalidos ketronambrae K.C. Emberton, 2007 - (ARIOPHANTIDAE)
- ketteri, Cassis ketteri J.J. Parodiz & Tripp, 1992 † - (CASSIDAE) (FOSSIL)
- ketteri, Siphocypraea ketteri E.J. Petuch, 1994 † - (CYPRAEIDAE) (FOSSIL)
- kettlesingensis, Glaphyrites kettlesingensis (Bisat, 1932 †) - (GLAPHYRITIDAE) (FOSSIL)
- kettneri, Holopea kettneri Frýda & K. Bandel, 1997 † - syn of: Asinomphalus kettneri (Frýda & K. Bandel, 1997 †) - (HOLOPEIDAE) (FOSSIL)
- kettneri, Palaeacmaea kettneri J. Perner, 1903 † - syn of: Peelipilina latiuscula (J. Perner, 1903 †) - (PALAEACMAEIDAE) (FOSSIL)
- kettneri, Bohemozyga kettneri (Horný, 1955 †) - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- kettneri, Peelipilina kettneri Ríha, 1938 † - syn of: Peelipilina latiuscula (J. Perner, 1903 †) - (TRYBLIDIIDAE) (FOSSIL)
- kettneri, Asinomphalus kettneri (Frýda & K. Bandel, 1997 †) - (TYCHOBRAHEIDAE) (FOSSIL)
- ketyana, Zoila ketyana (L. Raybaudi Massilia, 1978) - (CYPRAEIDAE)
- ketyana bataviensis, Zoila ketyana bataviensis F.Jr. Lorenz & H. Morrison, 2001 - (CYPRAEIDAE)
- ketyana intermedians, Zoila marginata ketyana intermedians F. Lobetti Bodoni, 1986 - (CYPRAEIDAE)
- Ketyconus, Genus Ketyconus A.J. Da Motta, 1991 (CONIDAE)
- keukelaari, Volvarina keukelaari F.A.D. van Nieulande, 1981 - (MARGINELLIDAE)
- Keuppia, Genus Keuppia Fuchs, Bracchi & Weis, 2009 (PALAEOCTOPODIDAE) (FOSSIL)
- Keuppites, Genus Keuppites Bockwinkel & al., 2009 (TAOUZITIDAE) (FOSSIL)
- kevani, Conasprelloides kevani (E.J. Petuch, 1987) - (CONIDAE)
- kevani, Attiliosa kevani E.H. Vokes, 1999 - (MURICIDAE)
- kevini, Suturoglypta kevini W. Segers, F. Swinnen & R. De Prins, 2009 - (COLUMBELLIDAE)
- kevini, Dentimargo kevini T. Cossignani, 2004 - (MARGINELLIDAE)
- kewaloensis, Costellaria kewaloensis C.N. Cate, 1963 - syn of: Pusia fortiplicatum (W.H. Pease, 1868) - (COSTELLARIIDAE)
- kewi, Ameranella kewi (R.E. Dickerson, 1915 †) - (RANELLIDAE) (FOSSIL)
- kewi, Megangulus kewi (R.E. Dickerson, 1914 †) - (TELLINIDAE) (FOSSIL)
- keyensis, Fulguropsis keyensis E.J. Petuch, 2013 - (BUSYCONIDAE)
- keyesi, Uberella keyesi J. Marwick, 1965 † - (NATICIDAE) (FOSSIL)
- keyesi, Strobeus keyesi Rowley, 1900 † - (SOLENISCIDAE) (FOSSIL)
- keyniana, Retispira keyniana (de Koninck, 1844 †) - (KNIGHTITIDAE) (FOSSIL)
- keyserlingi, Probeloceras keyserlingi Holzapfel, 1899 † - syn of: Ponticeras keyserlingi (Holzapfel, 1899 †) - (ACANTHOCLYMENIIDAE) (FOSSIL)
- keyserlingi, Timanites keyserlingi Miller & Warren, 1936 † - (KOENENITIDAE) (FOSSIL)
- keyserlingi, Caspilimax keyserlingi (E.C. Von Martens, 1880) - (LIMACIDAE)
- keyserlingi, Palaeomutela keyserlingi Amalitsky, 1892 † - (PALAEOMUTELIDAE) (FOSSIL)
- keyserlingi, Polyptychites keyserlingi (M. von Neumayr & Uhlig, 1881 †) - (POLYPTYCHITIDAE) (FOSSIL)
- keyserlingi, Ponticeras keyserlingi (Holzapfel, 1899 †) - (PONTICERATIDAE) (FOSSIL)
- keyserlingi, Boreomeekoceras keyserlingi Mojsisovics, 1886 † - (PROPTYCHITIDAE) (FOSSIL)
- keyserlingi, Morrisipecten keyserlingi (Stuckenberg, 1875 †) - (PTERIIDA (unassigned)) (FOSSIL)
- keyserlingi, Avicula keyserlingi d'Orbigny, 1850 † - (PTERIIDAE) (FOSSIL)
- keyserlingi, Verneuilites keyserlingi Ruzhencev & Bogoslovskaya, 1978 † - (RETICULOCERATIDAE) (FOSSIL)
- keyserlingi, Truyolsoceras keyserlingi (Muller, 1956 †) - (TORNOCERATIDAE) (FOSSIL)
- keyserlingianus, Brachytrema keyserlingianus Rouillier, 1846 † - syn of: Maturifusus keyserlingianus (Rouillier, 1846 †) - (BRACHYTREMATIDAE) (FOSSIL)
- keyserlingianus, Buccinum keyserlingianus Rouillier, 1846 † - syn of: Maturifusus keyserlingianus (Rouillier, 1846 †) - (BUCCINIDAE) (FOSSIL)
- keyserlingianus, Maturifusus keyserlingianus (Rouillier, 1846 †) - (PSEUDOTRITONIIDAE) (FOSSIL)
- keyserlingiformis, Aviculopecten keyserlingiformis Licharew, 1927 † - syn of: Etheripecten keyserlingiformis (Licharew, 1927 †) - (AVICULOPECTINIDAE) (FOSSIL)
- keyserlingiformis, Etheripecten keyserlingiformis (Licharew, 1927 †) - (HETEROPECTINIDAE) (FOSSIL)
- keyserlingiformis, Jeanthieuloyites keyserlingiformis Avram & Gradinaru, 1993 † - (HOLCODISCIDAE) (FOSSIL)
- Keyserlingites, Genus Keyserlingites Hyatt , 1900 (SIBIRITIDAE) (FOSSIL)
- keytei, Vorticina keytei (E.L. Yochelson, 1960 †) - (TROPIDODISCIDAE) (FOSSIL)
- keyteri, Galeodea keyteri (R.N. Kilburn, 1975) - (CASSIDAE)
- keyteri, Oocorys keyteri R.N. Kilburn, 1975 - syn of: Galeodea keyteri (R.N. Kilburn, 1975) - (CASSIDAE)
- keyteri, Marginella keyteri (R.N. Kilburn, 1975) - (MARGINELLIDAE)
- keyurare, Homalopoma keyurare Y.F. Huang, C.C. Fu & G.T. Poppe, 2016 - (COLLONIIDAE)
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