- kaaeana, Partulina kaaeana D.D. Baldwin, 1906 - (ACHATINELLIDAE)
- kaaensis, Pleuropoma laciniosa kaaensis M.C. Neal, 1934 - (HELICINIDAE)
- Kaala, Genus Kaala C.M. Cooke in F.C. Baker, 1940 (EUCONULIDAE)
- kaalaensis, Achatinella mustelina kaalaensis D.A. Welch, 1938 - (ACHATINELLIDAE)
- kaalensis, Nesopupa dubitabilis kaalensis C.M. Cooke & H.A. Pilsbry, 1920 - (VERTIGINIDAE)
- kaapor, Turbonilla kaapor A. Pimenta & R.S. Absalão, 2004 - (PYRAMIDELLIDAE)
- kaasi, Notoplax kaasi J.S. Hong, B. Dell'Angelo & R.A. Van Belle, 1990 - (ACANTHOCHITONIDAE)
- kaasi, Callistochiton kaasi E.H.J. Leloup, 1981 - syn of: Chiton kaasi (E.H.J. Leloup, 1981) - (CALLISTOPLACIDAE)
- kaasi, Chiton kaasi (E.H.J. Leloup, 1981) - (CHITONIDAE)
- kaasi, Ischnochiton kaasi A. Ferreira, 1987 - (ISCHNOCHITONIDAE)
- kaasi, Connexochiton kaasi H. Saito, 1997 - (ISCHNOCHITONIDAE)
- kaasi, Lepidochitona kaasi P. Carmona Zavilde & F.J. García, 2000 - (LEPIDOCHITONIDAE)
- kaasi, Leptochiton kaasi B.I. Sirenko, 1990 - (LEPTOCHITONIDAE)
- kaasi, Puposyrnola kaasi J.J. Van Aartsen, E. Gittenberger & J. Goud, 1998 - (PYRAMIDELLIDAE)
- kaasi, Eulimella kaasi (J.J. Van Aartsen, E. Gittenberger & J. Goud, 2000) - (PYRAMIDELLIDAE)
- kaawa, Hamacuna kaawa (C.R. Laws, 1936 †) - (CONDYLOCARDIIDAE) (FOSSIL)
- kaawa, Philobrya kaawa (C.R. Laws, 1936 †) - (PHILOBRYIDAE) (FOSSIL)
- kaawa, Megastomia kaawa (C.R. Laws, 1940 †) - (PYRAMIDELLIDAE) (FOSSIL)
- kaawa, Striodostomia kaawa C.R. Laws, 1940 † - (PYRAMIDELLIDAE) (FOSSIL)
- kaawa, Terelimella kaawa C.R. Laws, 1940 † - (PYRAMIDELLIDAE) (FOSSIL)
- kaawa, Turbonilla kaawa (C.R. Laws, 1937 †) - (PYRAMIDELLIDAE) (FOSSIL)
- kaawaense, Proxiuber kaawaense (J. Marwick, 1924 †) - (NATICIDAE) (FOSSIL)
- kaawaense, Ataxocerithium kaawaense C.R. Laws, 1936 † - (NEWTONIELLIDAE) (FOSSIL)
- kaawaensis, Anabathron kaawaensis (C.R. Laws, 1936 †) - (ANABATHRIDAE) (FOSSIL)
- kaawaensis, Semicassis kaawaensis (Powell & J.A. Bartrum, 1928 †) - (CASSIDAE) (FOSSIL)
- kaawaensis, Montfortula kaawaensis (J.A. Bartrum, 1919 †) - (FISSURELLIDAE) (FOSSIL)
- kaawaensis, Glycymerita kaawaensis (J. Marwick, 1923 †) - (GLYCYMERIDIDAE) (FOSSIL)
- kaawaensis, Leptonotis kaawaensis J.A. Bartrum & A.W.B. Powell, 1928 † - (HIPPONICIDAE) (FOSSIL)
- kaawaensis, Borniola kaawaensis J.A. Bartrum & A.W.B. Powell, 1928 † - (LASAEIDAE) (FOSSIL)
- kaawaensis, Cosa kaawaensis C.R. Laws, 1936 † - (PHILOBRYIDAE) (FOSSIL)
- kaawaensis, Bartrumella kaawaensis C.R. Laws, 1940 † - (PYRAMIDELLIDAE) (FOSSIL)
- kaawaensis, Eulimella kaawaensis C.R. Laws, 1940 † - (PYRAMIDELLIDAE) (FOSSIL)
- kaawaensis, Alvania kaawaensis (C.R. Laws, 1940 †) - (RISSOIDAE) (FOSSIL)
- kaawaensis, Aequispirella kaawaensis (C.R. Laws, 1940 †) - (SEGUENZIOIDEA (UNASSIGNED)) (FOSSIL)
- kaawaensis, Nototriphora kaawaensis (C.R. Laws, 1940 †) - (TRIPHORIDAE) (FOSSIL)
- kaawaensis, Stiracolpus kaawaensis C.R. Laws, 1936 † - (TURRITELLIDAE) (FOSSIL)
- kaawaensis, Dosinia kaawaensis J. Marwick, 1927 † - (VENERIDAE) (FOSSIL)
- kaawaensis, Eumarcia kaawaensis J. Marwick, 1927 † - (VENERIDAE) (FOSSIL)
- Kaawatina, Genus Kaawatina Bartrum & Powell, 1928 (VANIKORIDAE) (FOSSIL)
- kaawensis, Merelina kaawensis C.R. Laws, 1936 † - (RISSOIDAE) (FOSSIL)
- kabanovi, Tornatellaea kabanovi Blagovetshenskiy, 2017 † - (ACTEONIDAE) (FOSSIL)
- kabanovi, Naefia kabanovi Doguzhaeva, 1996 † - (GROENLANDIBELIDAE) (FOSSIL)
- kabanovi, Permocossmannina kabanovi Mazaev, 2015 † - (TUBIFERIDAE) (FOSSIL)
- kabati, Paradentalium kabati V. Scarabino, 2008 - (DENTALIIDAE)
- kabati, Boreotrophon kabati J.H. McLean, 1996 - (MURICIDAE)
- Kabeiro, Genus Kabeiro Shipman & Gosliner, 2015 (DOTIDAE)
- kabiranum, Phyllodesmium kabiranum K. Baba, 1991 - (FACELINIDAE)
- kabirensis, Oxynoe kabirensis I. Hamatani, 1980 - (OXYNOIDAE)
- kabretiana, Doto kabretiana (O'Donoghue, 1929) - (DOTIDAE)
- kabrietensis, Tudora megacheilus kabrietensis H.B. Baker, 1924 - (POMATIIDAE)
- kabuli, Raphitoma kabuli E. Rolán, J. Otero-Schmidt & F. Fernandes, 1998 - (RAPHITOMIDAE)
- Kabyaipecten, Genus Kabyaipecten (PTERIOIDEA (UNASSIGNED)) (FOSSIL)
- Kabylia, Subgenus Omphaloconus (Kabylia) P.M. Pallary, 1928 (ENIDAE)
- kabylianai, Xerosecta kabylianai (E.O. Debeaux) - (HYGROMIIDAE)
- kabylianus, Kabylia kabylianus (A. Letourneux, 1870) - (ENIDAE)
- Kabylites, Genus Kabylites Durand Delga, 1954 (BOCHIANITIDAE) (FOSSIL)
- kacelovensis, Kutatissites kacelovensis Stoykova, 1992 † - (ANCYLOCERATIDAE) (FOSSIL)
- kachabaruensis, Mauidrillia kachabaruensis F.S. MacNeil, 1960 † - (HORAICLAVIDAE) (FOSSIL)
- kachchhensis, Arisphinctes kachchhensis Pandey, Alberti & Fürsich, 2012 † - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- kachemakensis, Spiromoelleria kachemakensis R. Baxter & J.H. McLean, 1984 - (COLLONIIDAE)
- kachharai, Lunarca kachharai Tiwari, 2001 † - (ARCIDAE) (FOSSIL)
- kachhensis, Rhinoclavis kachhensis E.W. Vredenburg, 1925 † - (CERITHIIDAE) (FOSSIL)
- kachhensis, Ficus kachhensis E.W. Vredenburg, 1925 † - (FICIDAE) (FOSSIL)
- kachhensis, Weyla kachhensis (Cox, 1952 †) - (NEITHEIDAE) (FOSSIL)
- kachhensis, Pecten kachhensis Cox, 1952 † - syn of: Weyla kachhensis (Cox, 1952 †) - (PECTINIDAE) (FOSSIL)
- kachhensis, Crassispira kachhensis E.W. Vredenburg, 1925 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- kachhensis, Turritella kachhensis E.W. Vredenburg, 1928 † - (TURRITELLIDAE) (FOSSIL)
- Kachpurites, Genus Kachpurites Spath, 1924 (POLYPTYCHITIDAE) (FOSSIL)
- kacici, Melanopsis kacici Š. Brusina, 1902 † - syn of: Melanopsis bouei A.E.J. Férussac, 1823 † - (MELANOPSIDAE) (FOSSIL)
- kadapaensis, Ariophanta kadapaensis G. Nevill, 1878 - (ARIOPHANTIDAE)
- kadari, Lentipecten kadari T. Kotaka & Hasibuan, 1983 † - (PECTINIDAE) (FOSSIL)
- Kadaroceras, Genus Kadaroceras Zhuravleva, 1972 (DISCOSORIDA (UNASSIGNED)) (FOSSIL)
- kadatauensis, Amphidromus perversus kadatauensis J. Abbas & P. Krull, 2006 - (CAMAENIDAE)
- kadavu, Turbonilla kadavu A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- kadeii, Potadoma kadeii A. Samé-Ekobo & T.K. Kristensen, 1985 - (PACHYCHILIDAE)
- kaderleyi, Turricula kaderleyi C.E. Lischke, 1872 - syn of: Comitas kaderlyi (C.E. Lischke, 1872) - (CLAVATULIDAE)
- kaderleyi, Comitas kaderleyi C.E. Lischke, 1872 - syn of: Comitas kaderlyi (C.E. Lischke, 1872) - (PSEUDOMELATOMIDAE)
- kaderlyi, Comitas kaderlyi (C.E. Lischke, 1872) - (PSEUDOMELATOMIDAE)
- kadiakense, Buccinum kadiakense W.H. Dall, 1907 - (BUCCINIDAE)
- kadiakensis, Odostomia kadiakensis W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- kadimai, Nematurella kadimai Š. Brusina, 1902 † - (HYDROBIIDAE) (FOSSIL)
- Kadolskya, Genus Kadolskya Neubauer & Harzhauser, 2016 (HYDROBIIDAE) (FOSSIL)
- kadolskyi, Acicula kadolskyi Manganelli, Cianfanelli, Barbato & Benocci, 2014 † - (ACICULIDAE) (FOSSIL)
- kadolskyi, Sioliella kadolskyi Wesselingh, 2006 † - (COCHLIOPIDAE) (FOSSIL)
- kadolskyi, Triptychia kadolskyi Schnabel, 2007 † - (FILHOLIIDAE) (FOSSIL)
- kadzielniae, Orecopia kadzielniae (Gürich, 1896 †) - (OMPHALOTROCHIDAE) (FOSSIL)
- kaesleri, Lindaconus kaesleri J.R. Hendricks, 2015 † - (CONIDAE) (FOSSIL)
- kaeufeli, Rhagada dringi kaeufeli (L. Pfeiffer, 1846) - (CAMAENIDAE)
- kaeufeli, Balea kaeufeli (R.A.M. Brandt, 1962) - (CLAUSILIIDAE)
- kaeufeli, Andraea dubia kaeufeli M. Klemm, 1960 - (CLAUSILIIDAE)
- kaeufeli, Klikia kaeufeli Wenz, 1927 † - (HELICIDAE) (FOSSIL)
- kaeufeli, Helicigona kaeufeli H. Knipper, 1939 - syn of: Josephinella argentellei (W. Kobelt, 1872) - (HELICIDAE)
- kaeufeli, Pagodulina kaeufeli M. Klemm, 1939 - (ORCULIDAE)
- kafanovi, Anadara broughtonii kafanovi K.A. Lutaenko, 1993 - (ARCIDAE)
- kafanovi, Chaetoderma kafanovi (D. Ivanov, 1984) - (CHAETODERMATIDAE)
- kafanovi, Lymnaea kafanovi N.D. Kruglov & Y.I. Starobogatov, 1984 - (LYMNAEIDAE)
- kafanovi, Musculium kafanovi Y.I. Starobogatov & A. Korniushin, 1986 - syn of: Musculium lacustre (O.F. Müller, 1774) - (SPHAERIIDAE)
- kaffra, Neritina kaffra (W. Wood, 1828) - (NERITIDAE)
- kaffraria, Clionella kaffraria R.N. Kilburn, 1985 - syn of: Clionella subventricosa kaffraria R.N. Kilburn, 1985 - (CLAVATULIDAE)
- kaffraria, Clionella subventricosa kaffraria R.N. Kilburn, 1985 - (CLAVATULIDAE)
- kaffrarium, Proplacenticeras kaffrarium Etheridge, 1904 † - (PLACENTICERATIDAE) (FOSSIL)
- kaffrarium subkaffrarium, Proplacenticeras kaffrarium subkaffrarium Spath, 1921 † - (PLACENTICERATIDAE) (FOSSIL)
- kaffrarium umkwelanense, Proplacenticeras kaffrarium umkwelanense Etheridge, 1904 † - (PLACENTICERATIDAE) (FOSSIL)
- kafirniganensis, Korobkovitrigonia kafirniganensis Vinokurova, 1963 † - (MYOPHORELLIDAE) (FOSSIL)
- kagaensis, Helicarion kagaensis H.A. Pilsbry & Y. Hirase, 1902 - (HELICARIONIDAE)
- kagaensis, Trophon kagaensis K.M. Hatai & S. Nisiyama, 1939 † - (MURICIDAE) (FOSSIL)
- kagaharensis, Pachythaerus kagaharensis (Yokoyama 1890) † - (CRASSATELLIDAE) (FOSSIL)
- kagamianus, Kotorapecten kagamianus (M. Yokoyama, 1923 †) - (PECTINIDAE) (FOSSIL)
- kagamigaurana, Turbonilla kagamigaurana S. Nomura, 1938 - (PYRAMIDELLIDAE)
- kagana, Izumonauta kagana Y. Kaseno, 1955 † - (ARGONAUTIDAE) (FOSSIL)
- kagana, Oenopota kagana M. Yokoyama, 1927 † - (MANGELIIDAE) (FOSSIL)
- kagawana, Diplommatina shikokuensis kagawana J.T. Kuroda & J.M. Abe, 1980 - (DIPLOMMATINIDAE)
- kagawongensis, Archinacella kagawongensis Foerste, 1924 † - (ARCHINACELLIDAE) (FOSSIL)
- kagawongensis, Cyrtodonta kagawongensis Foerste, 1924 † - (CYRTODONTIDAE) (FOSSIL)
- kagawongensis, Vanuxemia kagawongensis Foerste, 1924 † - (CYRTODONTIDAE) (FOSSIL)
- kagawongensis, Modiolodon kagawongensis Foerste, 1924 † - (MODIOMORPHIDAE) (FOSSIL)
- kagawongensis, Rhytimya kagawongensis Foerste, 1914 † - (PHOLADOMYIDAE) (FOSSIL)
- kagayai, Cirsotrema kagayai T. Habe & K. Itô, 1965 - syn of: Cirsotrema mituokai (H. Ozaki, 1958) - (EPITONIIDAE)
- kagbeniensis, Virgatosphinctes kagbeniensis Helmstaedt, 1969 † - (PERISPHINCTIDAE) (FOSSIL)
- kagoshimaensis, Anadara kagoshimaensis S. Tokunaga, 1906 - syn of: Anadara kagoshimensis (S. Tokunaga, 1906) - (ARCIDAE)
- kagoshimaensis, Otitoma kagoshimaensis (T. Shuto, 1965 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- kagoshimensis, Anadara kagoshimensis (S. Tokunaga, 1906) - (ARCIDAE)
- kagoshimensis, Arca kagoshimensis S. Tokunaga, 1906 - syn of: Anadara kagoshimensis (S. Tokunaga, 1906) - (ARCIDAE)
- kagoshimensis, Amphioctopus kagoshimensis (A.E. Ortmann, 1888) - (OCTOPODIDAE)
- kahakuloensis, Leptachatina baldwini kahakuloensis H.A. Pilsbry & C.M. Cooke, 1914 - (AMASTRIDAE)
- kahana, Amastra rubens kahana A. Hyatt & H.A. Pilsbry, 1911 - (AMASTRIDAE)
- kaharoa, Octopus kaharoa B.J. O'Shea, 1999 - (OCTOPODIDAE)
- kahbei, Corrosella valladolensis kahbei (H.D. Boeters, H. Girardi & T. Knebelsberger, 2015) - (HYDROBIIDAE)
- kahiko, Conus kahiko W. Korn, 1980 - syn of: Virroconus chaldaeus (P.F. Röding, 1798) - (CONIDAE)
- kahlbrocki, Archivolva kahlbrocki F.Jr. Lorenz, 2009 - (OVULIDAE)
- kahlebergense, Arthrophyllum kahlebergense (Dahmer, 1939 †) - (LAMELLORTHOCERATIDAE) (FOSSIL)
- kahlebergensis, Platyceras kahlebergensis Beushausen, 1884 † - (PLATYCERATIDAE) (FOSSIL)
- kahlenbergensis, Amphitrochus kahlenbergensis J. Gründel & al., 2012 † - (NODODELPHINULIDAE) (FOSSIL)
- kahoolavensis, Tornatellides kahoolavensis C.M. Cooke & H.A. Pilsbry, 1915 - (ACHATINELLIDAE)
- kahoolavensis, Lyropupa kahoolavensis H.A. Pilsbry & C.M. Cooke, 1920 - (VERTIGINIDAE)
- kahoolavensis puukolekolensis, Lyropupa kahoolavensis puukolekolensis H.A. Pilsbry & C.M. Cooke, 1920 - (VERTIGINIDAE)
- kahoolawensis, Melanella kahoolawensis H.A. Pilsbry, 1917 - syn of: Melanella aciculata (W.H. Pease, 1861) - (EULIMIDAE)
- kahoolawensis, Pleuropoma laciniosa kahoolawensis M.C. Neal, 1934 - (HELICINIDAE)
- kahoolawensis, Odostomia kahoolawensis H.A. Pilsbry, 1918 - syn of: Odostomia stearnsiella H.A. Pilsbry, 1918 - (PYRAMIDELLIDAE)
- kahoolawensis, Turbonilla kahoolawensis H.A. Pilsbry, 1918 - syn of: Turbonilla lirata (A. Adams, 1855) - (PYRAMIDELLIDAE)
- kahrsi, Hamusina kahrsi K. Bandel, 1993 † - (CHILODONTIDAE) (FOSSIL)
- kahtanenesis, Merriamella kahtanenesis (Titova, 1991 †) - (PTEROTHECIDAE) (FOSSIL)
- kahtanenesis, Gibbula kahtanenesis A. Oleinik, 1991 † - (TROCHIDAE) (FOSSIL)
- kahtanensis, Pleurogrammatodon kahtanensis V.N. Sinelnikova, 1991 † - (PARALLELODONTIDAE) (FOSSIL)
- Kahua, syn of: Genus Semicassis O.A.L. Mφrch, 1852 (CASSIDAE)
- kahuica, Gyraulus kahuica (H.J. Finlay & C.R. Laws, 1931) - (PLANORBIDAE)
- kahuica, Planorbis kahuica H.J. Finlay & C.R. Laws, 1931 - syn of: Gyraulus kahuica (H.J. Finlay & C.R. Laws, 1931) - (PLANORBIDAE)
- kahuika, Hijitrigonia kahuika Fleming, 1987 † - (MYOPHORELLIDAE) (FOSSIL)
- kahukuensis, Achatinella valida kahukuensis H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- kahuna, Thorunna kahuna R.F. Johnson & T.M. Gosliner, 2001 - (CHROMODORIDIDAE)
- kahurangi, Cytora kahurangi B.A. Marshall & G.M. Barker, 2007 - (LIAREIDAE)
- kahurangica, Powelliphanta gilliesi kahurangica (A.W.B. Powell, 1936) - (RHYTIDIDAE)
- kahuziensis, Zonitarion kahuziensis J.J. Van Mol, 1970 - (UROCYCLIDAE)
- Kaibabella, Genus Kaibabella Chronic, 1952 (SCHIZODIDAE) (FOSSIL)
- kaibabensis, Aviculopecten kaibabensis Newell, 1938 † - (AVICULOPECTINIDAE) (FOSSIL)
- kaibabensis, Rhynchoteuthis kaibabensis Brady, 1955 † - syn of: Cymatochiton kaibabensis (Brady, 1955 †) - (CEPHALOPODA (unassigned)) (FOSSIL)
- kaibabensis, Naticopsis kaibabensis Chronic, 1952 † - (DELPHINULOPSIDAE) (FOSSIL)
- kaibabensis, Euomphalus kaibabensis Chronic, 1952 † - (EUOMPHALIDAE) (FOSSIL)
- kaibabensis, Cymatochiton kaibabensis (Brady, 1955 †) - (ISCHNOCHITONIDAE) (FOSSIL)
- kaicherae, Mohnia kaicherae E.J. Petuch, 1987 - (BUCCINIDAE)
- kaicherae, Zafra kaicherae J. Drivas & M. Jay, 1990 - (COLUMBELLIDAE)
- kaicherae, Nodicostellaria kaicherae (E.J. Petuch, 1979) - (COSTELLARIIDAE)
- kaicherae, Modulus kaicherae E.J. Petuch, 1987 - (MODULIDAE)
- kaicherae, Dermomurex kaicherae E.J. Petuch, 1987 - (MURICIDAE)
- kaicherae, Nassarius kaicherae D. De Jong & H.E. Coomans, 1988 - (NASSARIIDAE)
- kaiensis, Brocchinia kaiensis A. Verhecken, 1997 - (CANCELLARIIDAE)
- kaiiwiensis, Myadora kaiiwiensis Powell, 1931 † - (MYOCHAMIDAE) (FOSSIL)
- kaikatensis, Shinkailepas kaikatensis T.A. Okutani, H. Saito & J. Hashimoto, 1989 - (PHENACOLEPADIDAE)
- kaikoae, Isorropodon kaikoae T.A. Okutani, K. Fujikura & S. Kojima, 2000 - syn of: Abyssogena kaikoi (T.A. Okutani & B. Métivier, 1986) - (VESICOMYIDAE)
- kaikoi, Pleurophopsis kaikoi T.A. Okutani & B. Métivier, 1986 - syn of: Abyssogena kaikoi (T.A. Okutani & B. Métivier, 1986) - (KELLIELLIDAE)
- kaikoi, Abyssogena kaikoi (T.A. Okutani & B. Métivier, 1986) - (VESICOMYIDAE)
- kaikonis, Yoldiella kaikonis T.A. Okutani & Y. Fujiwara, 2005 - (YOLDIIDAE)
- kaikoura, Costallodiscus kaikoura B.A. Marshall & G.M. Barker, 2008 - (CHAROPIDAE)
- kaikouraense, Buccinulum vittatum kaikouraense L.A. Reeve, 1846 - (BUCCINIDAE)
- Kailiceras, Genus Kailiceras Chen & Liu, 1974 (CEPHALOPODA (UNASSIGNED)) (FOSSIL)
- kailuana, Gastrocopta servilis kailuana H.A. Pilsbry, 1917 - (GASTROCOPTIDAE)
- Kailuanoceras, Genus Kailuanoceras Obata, 1940 (ENDOCERIDA (UNASSIGNED)) (FOSSIL)
- kailuanus, Tornatellides procerulus kailuanus H.A. Pilsbry & C.M. Cooke, 1915 - (ACHATINELLIDAE)
- kaimi, Frydiella kaimi Krawczynski, 2006 † - (GOSSELETINIDAE) (FOSSIL)
- Kainarella, Genus Kainarella Y.I. Starobogatov, 1972 (ACICULIDAE)
- kainarensis, Pseudocaspia kainarensis Y.I. Starobogatov, 1972 - (HYDROBIIDAE)
- kainarensis, Parmacella kainarensis H.R. Simroth, 1912 - syn of: Candaharia rutellum (F.W. Hutton, 1849) - (PARMACELLIDAE)
- kainarensis, Melanoides kainarensis Y.I. Starobogatov & Z.I. Izzatullaev, 1980 - (THIARIDAE)
- kaipapauensis, Achatinella bulimoides kaipapauensis D.A. Welch, 1958 - (ACHATINELLIDAE)
- kaipara, Etrema kaipara Powell, 1942 † - (CLATHURELLIDAE) (FOSSIL)
- kaipara, Cuna kaipara C.R. Laws, 1944 † - (CONDYLOCARDIIDAE) (FOSSIL)
- kaipara, Austroclavus kaipara (C.R. Laws, 1939 †) - (DRILLIIDAE) (FOSSIL)
- kaipara, Comitas kaipara C.R. Laws, 1939 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- kaiparaense, Mesopeplum kaiparaense (Finlay, 1924 †) - (PECTINIDAE) (FOSSIL)
- kaiparaensis, Scalptia kaiparaensis (C.R. Laws, 1939 †) - (CANCELLARIIDAE) (FOSSIL)
- kaiparaensis, Glans kaiparaensis Marshall, 1918 † - syn of: Fasciculicardia subintermedia (H.H. Suter, 1917 †) - (CARDITIDAE) (FOSSIL)
- kaiparaensis, Seila kaiparaensis (C.R. Laws, 1941 †) - (CERITHIOPSIDAE) (FOSSIL)
- kaiparaensis, Argalista kaiparaensis Finlay, 1930 † - (COLLONIIDAE) (FOSSIL)
- kaiparaensis, Austrotoma kaiparaensis Powell, 1942 † - (CONOIDEA (UNASSIGNED)) (FOSSIL)
- kaiparaensis, Corbula kaiparaensis H.H. Suter, 1917 † - (CORBULIDAE) (FOSSIL)
- kaiparaensis, Dimya kaiparaensis C.R. Laws, 1944 † - (DIMYIDAE) (FOSSIL)
- kaiparaensis, Turriscala kaiparaensis C.R. Laws, 1939 † - (EPITONIIDAE) (FOSSIL)
- kaiparaensis, Cylindriscala kaiparaensis (C.R. Laws, 1944 †) - (EPITONIIDAE) (FOSSIL)
- kaiparaensis, Balcis kaiparaensis C.R. Laws 1939 † - (EULIMIDAE) (FOSSIL)
- kaiparaensis, Falsicolus kaiparaensis (H.H. Suter, 1917 †) - (FASCIOLARIIDAE) (FOSSIL)
- kaiparaensis, Zelandites kaiparaensis Marshall, 1926 † - (GAUDRYCERATIDAE) (FOSSIL)
- kaiparaensis, Mathilda kaiparaensis C.R. Laws, 1941 † - (MATHILDIDAE) (FOSSIL)
- kaiparaensis, Coralliophila kaiparaensis (P. Marshall, 1918 †) - (MURICIDAE) (FOSSIL)
- kaiparaensis, Timbellus kaiparaensis (C.A. Fleming, 1962 †) - (MURICIDAE) (FOSSIL)
- kaiparaensis, Ranella kaiparaensis (Finlay, 1924 †) - (RANELLIDAE) (FOSSIL)
- kaiparaensis, Sukashitrochus kaiparaensis (C.R. Laws, 1941 †) - (SCISSURELLIDAE) (FOSSIL)
- kaiparaensis, Lodderia kaiparaensis C.R. Laws, 1939 † - (SKENEIDAE) (FOSSIL)
- kaiparaensis, Ellatrivia kaiparaensis (C.R. Laws, 1939 †) - (TRIVIIDAE) (FOSSIL)
- kaiparaensis, Gemmula kaiparaensis (P. Marshall, 1918 †) - (TURRIDAE) (FOSSIL)
- Kaiparanura, syn of: Genus Pisanianura G. Rovereto, 1899 (PISANIANURIDAE)
- Kaiparapelta, Genus Kaiparapelta B.A. Marshall, 1986 (PSEUDOCOCCULINIDAE)
- Kaiparathina, Genus Kaiparathina C.R. Laws, 1941 (TURBINIDAE)
- kaiparica, Emarginula kaiparica C.R. Laws, 1939 † - (FISSURELLIDAE) (FOSSIL)
- kaiparica, Maoridaphne kaiparica (C.R. Laws, 1939 †) - (RAPHITOMIDAE) (FOSSIL)
- kaiparica, Trochaclis kaiparica B.A. Marshall, 1995 † - (TROCHACLIDIDAE) (FOSSIL)
- kaipaupauensis, Amastra textilis kaipaupauensis A. Hyatt & H.A. Pilsbry, 1911 - (AMASTRIDAE)
- Kaipingoceras, Genus Kaipingoceras (ENDOCERIDA (UNASSIGNED)) (FOSSIL)
- kaireiae, Parathyasira kaireiae T.A. Okutani, K. Fujikura & S. Kojima, 1999 - (THYASIRIDAE)
- kaisensis, Eulimella kaisensis J.C. Melvill, 1898 - (PYRAMIDELLIDAE)
- kaiserae, Condylocardia kaiserae E.V. Coan, 2003 - (CONDYLOCARDIIDAE)
- kaiserae, Dauciconus kaiserae M.J. Tenorio, J.K. Tucker & A. Chaney, 2012 - (CONIDAE)
- kaiserae, Periploma kaiserae P.H. Valentich-Scott & E.V. Coan, 2010 - (PERIPLOMATIDAE)
- kaiserae, Polycera kaiserae A. Hermosillo & Á. Valdés, 2007 - (POLYCERIDAE)
- kaiserae, Scissurella kaiserae D.L. Geiger, 2006 - (SCISSURELLIDAE)
- kaiseri, Montenegrina dofleini kaiseri R.A.M. Brandt, 1961 - (CLAUSILIIDAE)
- kaiseri, Turritella kaiseri Bohm, 1926 † - (TURRITELLIDAE) (FOSSIL)
- kaitaka, Climocella kaitaka J.F. Goulstone, 1996 - (CHAROPIDAE)
- Kaitangata, syn of: Genus Gegania Jeffreys, 1884 (MATHILDIDAE) (FOSSIL)
- kaitarus, Kapuatriton kaitarus A.G. Beu & P.A. Maxwell, 1987 † - (CANCELLARIIDAE) (FOSSIL)
- kaitbeyensis, Neverita kaitbeyensis Abbass, 1967 † - (NATICIDAE) (FOSSIL)
- Kaitoa, Genus Kaitoa Marwick, 1931 (SCAPHANDRIDAE) (FOSSIL)
- kaitunaparaoa, Potamopyrgus kaitunaparaoa M. Haase, 2008 - (TATEIDAE)
- kaiwa, Myonera kaiwa C.D. de Castro Oliveira & R.S. Absalão, 2009 - (CUSPIDARIIDAE)
- kaiyomaruae, Polyschides kaiyomaruae T.A. Okutani, 1975 - (GADILIDAE)
- kaiyomaruae, Neotrigonia kaiyomaruae T. Habe, 1976 - (TRIGONIIDAE)
- kajabaschica, Bulgarica vetusta kajabaschica (K. Brancsik, 1888) - (CLAUSILIIDAE)
- kajgorodzevi, Hoplocrioceras kajgorodzevi (Vereshchagin, 1977 †) - (ACRIOCERATIDAE) (FOSSIL)
- kajiyamai, Punctacteon kajiyamai T. Habe, 1976 - (ACTEONIDAE)
- kajiyamai, Meioceras kajiyamai T. Habe, 1963 - (CAECIDAE)
- kajiyamai, Harpa kajiyamai T. Habe, 1970 - (HARPIDAE)
- kajiyamai, Chrystella kajiyamai T. Habe, 1961 - (PICKWORTHIIDAE)
- kajiyamai, Rissoa kajiyamai T. Habe, 1961 - (RISSOIDAE)
- kajiyamai, Solen kajiyamai T. Habe, 1964 - (SOLENIDAE)
- kajraklensis, Eoasianites kajraklensis Ruzhentsev, 1950 † - (NEOICOCERATIDAE) (FOSSIL)
- kajraktensis, Pricella kajraktensis (Kolotukhina, 1939 †) - (CYRTOCLYMENIIDAE) (FOSSIL)
- kajraktensis, Alpinites kajraktensis Becker, 2002 † - (POSTTORNOCERATIDAE) (FOSSIL)
- kakabadzei, Colchidites kakabadzei Kotetishvili, 1970 † - syn of: Martelites kakabadzei (Kotetishvili, 1970 †) - (ANCYLOCERATIDAE) (FOSSIL)
- kakabadzei, Martelites kakabadzei (Kotetishvili, 1970 †) - (HETEROCERATIDAE) (FOSSIL)
- Kakahuia, Genus Kakahuia Marwick, 1927 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- kakamegaensis, Microglessula kakamegaensis B. Verdcourt, 1993 - syn of: Micractaeon koptawelilensis (J. Germain, 1934.) - (MICRACTAEONIDAE)
- kakano, Ancillina kakano P.A. Maxwell, 1978 † - (ANCILLARIIDAE) (FOSSIL)
- kakano, Allodiscus kakano B.A. Marshall & G.M. Barker, 2008 - (CHAROPIDAE)
- kakano, Cytora kakano B.A. Marshall & G.M. Barker, 2007 - (LIAREIDAE)
- kakegawensis, Clavatula kakegawensis J. Makiyama, 1927 † - syn of: Paradrillia kakegawensis (J. Makiyama, 1927 †) - (CLAVATULIDAE) (FOSSIL)
- kakegawensis, Paradrillia kakegawensis (J. Makiyama, 1927 †) - (HORAICLAVIDAE) (FOSSIL)
- kakegawensis, Alticlavatula kakegawensis J. Makiyama, 1927 † - syn of: Paradrillia kakegawensis (J. Makiyama, 1927 †) - (HORAICLAVIDAE) (FOSSIL)
- kakenca, Diplommatina kakenca Nurinsiyah & Hausdorf, 2017 - (DIPLOMMATINIDAE)
- kakertense, Keenocardium kakertense (V.N. Sinelnikova, 1990 †) - (CARDIIDAE) (FOSSIL)
- kakertensis, Ciliatocardium kakertensis V.N. Sinelnikova, 1990 † - syn of: Keenocardium kakertense (V.N. Sinelnikova, 1990 †) - (CARDIIDAE) (FOSSIL)
- kakertensis, Eucrassatella kakertensis V.N. Sinelnikova, 1990 † - (CRASSATELLIDAE) (FOSSIL)
- kakertensis, Plicatomytilus kakertensis V.N. Sinelnikova, 1985 † - syn of: Plicatomytilus allisoni A.I. Kafanov, 1985 † - (MYTILIDAE) (FOSSIL)
- kakertensis, Nanaochlamys kakertensis V.N. Sinelnikova, 1975 † - (PECTINIDAE) (FOSSIL)
- kakertensis, Macoma kakertensis V.N. Sinelnikova, 1990 † - syn of: Macoma calcarea (J.F. Gmelin, 1792) - (TELLINIDAE) (FOSSIL)
- kakertensis, Neogenella kakertensis V.N. Sinelnikova, 1984 † - (VENERIDA (UNASSIGNED)) (FOSSIL)
- kakertensis, Saxidomus kakertensis V.N. Sinelnikova, 1984 † - (VENERIDAE) (FOSSIL)
- kakertensis, Pitar kakertensis V.N. Sinelnikova, 1984 † - syn of: Neogenella kakertensis V.N. Sinelnikova, 1984 † - (VENERIDAE) (FOSSIL)
- kakhadzei, Colchidites kakhadzei Rouchadze, 1938 † - (ANCYLOCERATIDAE) (FOSSIL)
- kakiense, Plectostoma kakiense (J.R. le B. Tomlin, 1948) - (DIPLOMMATINIDAE)
- kakimii, Portlandia kakimii S. Uozumi, 1957 † - (YOLDIIDAE) (FOSSIL)
- kakumana, Thracia kakumana (M. Yokoyama, 1927) - (THRACIIDAE)
- kakumensis, Oenopota kakumensis N. Onoyama, 1938 - (MANGELIIDAE)
- kakusana, Diplommatina subglaber kakusana J.J. Vermeulen, 1996 - (DIPLOMMATINIDAE)
- kakvensis, Latanarcestes kakvensis Bogoslovsky, 1961 † - syn of: Archanarcestes kakvensis (Bogoslovsky, 1961 †) - (LATANARCESTIDAE) (FOSSIL)
- kakvensis, Archanarcestes kakvensis (Bogoslovsky, 1961 †) - (MIMAGONIATITIDAE) (FOSSIL)
- kalaeloana, Endodonta kalaeloana C.C. Christensen, 1976 - (ENDODONTIDAE)
- KALAENIDAE - syn of Family: KELAENIDAE (FOSSIL)
- kalafuti, Purpuriconus kalafuti (A.J. Da Motta, 1987) - (CONIDAE)
- kalafuti, Siphocypraea kalafuti E.J. Petuch, 1994 † - (CYPRAEIDAE) (FOSSIL)
- kalafuti, Favartia kalafuti (E.J. Petuch, 1987) - (MURICIDAE)
- kalafuti, Coralliophila kalafuti (E.J. Petuch, 1987) - (MURICIDAE)
- kalalauensis, Carelia kalalauensis W. Newcomb - (AMASTRIDAE)
- Kalamantania, Genus Kalamantania F.F. Laidlaw, 1931 (DYAKIIDAE)
- kalamantanum, Lyrocardium kalamantanum A. Adams & L.A. Reeve, 1850 - syn of: Lyrocardium lyratum (G.B. II Sowerby, 1840) - (CARDIIDAE)
- kalamaulensis, Amastra kalamaulensis H.A. Pilsbry & C.M. Cooke, 1914 - (AMASTRIDAE)
- kalaoensis, Amphidromus kalaoensis H.C. Fulton, 1896 - (CAMAENIDAE)
- kalapanicus, Tropites kalapanicus Mojsisovics, 1896 † - (TROPITIDAE) (FOSSIL)
- kalauensis, Carelia kalauensis C.M. Cooke, 1931 - (AMASTRIDAE)
- kalavinka, Calliostoma kalavinka M. Yokoyama, 1926 † - (CALLIOSTOMATIDAE) (FOSSIL)
- kalavo, Erronea kalavo W.R. Steadman & B.C. Cotton, 1943 - syn of: Erronea errones (C. Linnaeus, 1758) - (CYPRAEIDAE)
- kalawangaensis, Cecilioides kalawangaensis E. Darteville & L.A.W.C. Venmans, 1951 - (FERUSSACIIDAE)
- Kalayoldia, Subgenus Yoldia (Kalayoldia) U.S. Grant & H.R. Gale, 1931 (YOLDIIDAE) (FOSSIL)
- Kalayoldia, syn of: Genus Yoldia H.P.C. Mψller, 1842 (YOLDIIDAE)
- Kalbyella, syn of: Genus Bemella Rozanov & al., 1969 (HELCIONELLIDAE) (FOSSIL)
- kalchreuthensis, Ovactaeonina kalchreuthensis J. Gründel & A. Nützel, 1998 † - (ACTEONINIDAE) (FOSSIL)
- Kalchreuthia, Genus Kalchreuthia Grόndel & Nόtzel, 1998 (IRAVADIIDAE) (FOSSIL)
- kalekukei, Achatinella bulimoides kalekukei D.A. Welch, 1954 - (ACHATINELLIDAE)
- Kalendyma, Subgenus Orpiella (Kalendyma) G.P.L.K. Gude, 1913 (HELICARIONIDAE)
- kaleniczenkoi, Tandonia kaleniczenkoi S. Clessin, 1883 - (MILACIDAE)
- Kalentera, Genus Kalentera Marwick, 1953 (KALENTERIDAE) (FOSSIL)
- KALENTERIDAE Marwick, 1953 - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-HIPPURITIDA [Order]-KALENTEROIDEA [Superfamily]) (FOSSIL)
- kalenzkoi, Milax kalenzkoi S. Clessin, 1883 - syn of: Tandonia kaleniczenkoi S. Clessin, 1883 - (MILACIDAE)
- kaleontina, Felicioliva kaleontina Petuch & Berschauer, 2017 - (OLIVIDAE)
- kaleontina, Vullietoliva kaleontina (P.L. Duclos, 1835) - (OLIVIDAE)
- kalgum, Sinumelon kalgum T. Iredale, 1939 - (CAMAENIDAE)
- kaliae, Audouliceras kaliae (Sarkar, 1955 †) - (ANCYLOCERATIDAE) (FOSSIL)
- kaliae, Audouliceras kaliae Thomel, 1964 † - (ANCYLOCERATIDAE) (FOSSIL)
- Kalidos, Genus Kalidos G.P.L.K. Gude, 1911 (ARIOPHANTIDAE)
- Kaliella, Genus Kaliella W.T. Blanford, 1863 (CHRONIDAE)
- kaliella, Philonesia kaliella H.B. Baker, 1940 - (EUCONULIDAE)
- kaliellaeformis, Kaliella kaliellaeformis (Klebs, 1886) † - (CHRONIDAE) (FOSSIL)
- kalihiensis, Laminella gravida kalihiensis H.A. Pilsbry & C.M. Cooke, 1915 - (AMASTRIDAE)
- kalika, Gunnarites kalika (Stolickzka, 1865 †) - (KOSSMATICERATIDAE) (FOSSIL)
- kalikal, Dendronotus kalikal Ekimova & al., 2015 - (DENDRONOTIDAE)
- kalimnae, Cardita kalimnae G.B. Pritchard, 1903 † - (CARDITIDAE) (FOSSIL)
- kalimnae, Nucula kalimnae F.A. Singleton, 1932 † - (NUCULIDAE) (FOSSIL)
- kalimnanensis, Tosapusia kalimnanensis (Cernohorsky, 1970) † - (COSTELLARIIDAE) (FOSSIL)
- kalinagorum, Zebina kalinagorum Faber, 2017 - (ZEBINIDAE)
- Kalinga, Genus Kalinga J. Alder & A. Hancock, 1864 (POLYCERIDAE)
- kalinkini, Monneticeras kalinkini Zakharov & Smyshlyaeva, 2013 † - (PROPTYCHITIDAE) (FOSSIL)
- kalinota, Gibbula kalinota A. Adams, 1853 - syn of: Gibbula ardens (C.U.A. von Salis-Marschlins, 1793) - (TROCHIDAE)
- kalinovense, Pseudoancyloceras kalinovense Stenshin, Shumilkin & Uspensky, 2014 † - (ANCYLOCERATIDAE) (FOSSIL)
- kalinovoae, Leptogyropsis kalinovoae B.A. Marshall, 1988 - (MELANODRYMIIDAE)
- kalinovoae, Turbo kalinovoae B.A. Marshall, 1988 - (TURBINIDAE)
- kalinowski, Parabalea kalinowski F. Haas, 1955 - (CLAUSILIIDAE)
- kalischewskii, Eumilax kalischewskii H.R. Simroth, 1910 - syn of: Eumilax brandti (E.C. Von Martens, 1880) - (LIMACIDAE)
- kaliszanensis, Pachydiscus kaliszanensis Nowak, 1913 † - syn of: Pachydiscus haldemsis (Schluter, 1867 †) - (DESMOCERATIDAE) (FOSSIL)
- Kalitinaia, Genus Kalitinaia V. Hόdec & G.I. Lezhawa, 1967 (HYGROMIIDAE)
- kalitvaensis, Omphalotrochus kalitvaensis Licharev, 1940 † - (OMPHALOTROCHIDAE) (FOSSIL)
- kaliuwaaensis, Achatinella decipiens kaliuwaaensis H.A. Pilsbry & C.M. Cooke, 1913 - (ACHATINELLIDAE)
- kaliwana, Turbonilla kaliwana A.M. Strong, 1949 - (PYRAMIDELLIDAE)
- kalkajaka, Lithocouperia kalkajaka Stanisic, 2016 - (CHAROPIDAE)
- kalkensis, Dendrodoris kalkensis K.H. Barnard, 1927 - syn of: Dendrodoris caesia (L.S.R. Bergh, 1907) - (DENDRODORIDIDAE)
- kallesi, Romaniceras kallesi Zázvorka, 1958 † - (ACANTHOCERATIDAE) (FOSSIL)
- kallholnense, Charactoceras kallholnense Frye, 1982 † - (APSIDOCERATIDAE) (FOSSIL)
- kallholnense, Nathorstoceras kallholnense Kröger, 2013 † - (ERIDITIDAE) (FOSSIL)
- kallholniense, Modiomorpha kallholniense Isberg, 1934 † - (MODIOMORPHIDAE) (FOSSIL)
- kallholniensis, Ambonychinia kallholniensis Isberg, 1934 † - (AMBONYCHIIDAE) (FOSSIL)
- kallholniensis, Mytilarca kallholniensis Isberg, 1934 † - (AMBONYCHIIDAE) (FOSSIL)
- kallholniensis, Ambonychiopsis kallholniensis Isberg, 1934 † - (AMBONYCHIIDAE) (FOSSIL)
- kallholniensis, Bodospira kallholniensis Wängberg-Eriksson, 1979 † - (CLISOSPIRIDAE) (FOSSIL)
- kallholniensis, Mimospira kallholniensis Wängberg-Eriksson, 1979 † - (CLISOSPIRIDAE) (FOSSIL)
- kallholniensis, Ctenodonta kallholniensis Isberg, 1934 † - (CTENODONTIDAE) (FOSSIL)
- kallholniensis, Cypricardinia kallholniensis Isberg, 1934 † - (CYPRICARDINIIDAE) (FOSSIL)
- kallholniensis, Cyrtodonta kallholniensis Isberg, 1934 † - (CYRTODONTIDAE) (FOSSIL)
- kallholniensis, Cypricardites kallholniensis Isberg, 1934 † - (KALENTERIDAE) (FOSSIL)
- kallholniensis, Modiolopsis kallholniensis Isberg, 1934 † - (MODIOMORPHIDAE) (FOSSIL)
- Kallholnoceras, Genus Kallholnoceras Frye, 1987 (ONCOCERIDA (UNASSIGNED)) (FOSSIL)
- kalliglypta, Clavatula kalliglypta J. Gardner, 1938 † - (CLAVATULIDAE) (FOSSIL)
- Kallilytoceras, syn of: Genus Lytoceras Monestier, 1921 (LYTOCERATIDAE) (FOSSIL)
- kallima, Iacra kallima (A.E. Salisbury, 1934) - (SEMELIDAE)
- kallima, Tellina kallima A.E. Salisbury, 1934 - syn of: Iacra kallima (A.E. Salisbury, 1934) - (TELLINIDAE)
- kallinubilosus, Leptopecten kallinubilosus F.M. Bayer, 1943 - syn of: Leptopecten linki (W.H. Dall, 1926) - (PECTINIDAE)
- Kalliphenga, Subgenus Coelatura (Kalliphenga) F. Haas, 1936 (UNIONIDAE)
- Kallispira, Genus Kallispira Heidelberger & Bandel, 1999 (PALAEOZYGOPLEURIDAE) (FOSSIL)
- Kallistephanus, Genus Kallistephanus Buckman, 1921 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- kallistos, Epitonium kallistos G. Schmelz & R. Portell, 2007 † - (EPITONIIDAE) (FOSSIL)
- kallistropha, Coluzea kallistropha M.G. Harasewych, 2004 - (TURBINELLIDAE)
- Kalloclymenia, Genus Kalloclymenia Wedekind, 1914 (GONIOCLYMENIIDAE) (FOSSIL)
- Kalloconus, Genus Kalloconus A.J. Da Motta, 1991 (CONIDAE)
- kalmi, Ecculiomphalus kalmi W.J. Raymond, 1906 † - (OPHILETIDAE) (FOSSIL)
- kalmianus, Inflectarius kalmianus L.R. Hubricht, 1965 - (POLYGYRIDAE)
- kalmiussi, Omphalotrochus kalmiussi Zernetskaya, 1967 † - (OMPHALOTROCHIDAE) (FOSSIL)
- kalodictya, Theodoxus kalodictya (N.I. Andrusov, 1909 †) - (NERITIDAE) (FOSSIL)
- Kalokonia, syn of: Subgenus Ceratopoma (Palaeohelicina) A. Wagner, 1905 (HELICINIDAE)
- Kalolophus, Genus Kalolophus DeVries, 2016 (CRASSATELLIDAE)
- kalona, Cernuella kalona S. Berthelot in É.A.A. Locard, 1894 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- Kaloplocamus, Genus Kaloplocamus L.S.R. Bergh, 1892 (POLYCERIDAE)
- kalosmodix, Casmaria kalosmodix (J.C. Melvill, 1883) - (CASSIDAE)
- kalosmodix, Cassis kalosmodix J.C. Melvill, 1883 - syn of: Casmaria kalosmodix (J.C. Melvill, 1883) - (CASSIDAE)
- kalospira, Scalaria kalospira Gardner † - (EPITONIIDAE) (FOSSIL)
- kalotinae, Notovoluta kalotinae P. Bail & A. Limpus, 2015 - (VOLUTIDAE)
- kaltanae, Leptogyropsis kaltanae B.A. Marshall, 1988 - (MELANODRYMIIDAE)
- kaltanae, Turbo kaltanae B.A. Marshall, 1988 - (TURBINIDAE)
- kaltenbachi, Barcania kaltenbachi R.A.M. Brandt, 1956 - (CLAUSILIIDAE)
- kaltenbachi albaensis, Barcania kaltenbachi albaensis R.A.M. Brandt, 1956 - (CLAUSILIIDAE)
- kaltenbachi barceensis, Barcania kaltenbachi barceensis R.A.M. Brandt, 1958 - (CLAUSILIIDAE)
- kaltenbachi susaensis, Barcania kaltenbachi susaensis R.A.M. Brandt, 1958 - (CLAUSILIIDAE)
- kaluaahacola, Partulina virgulata kaluaahacola H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- kalumburuana, Setobaudinia kalumburuana F. Köhler, 2011 - (CAMAENIDAE)
- kalumburuana, Amplirhagada kalumburuana G.A. Solem, 1981 - (CAMAENIDAE)
- kalus, Kallistephanus kalus Buckman † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- Kalydon, syn of: Genus Xymene T. Iredale, 1915 (MURICIDAE)
- kalyptos, Dermatobranchus kalyptos T.M. Gosliner & S.J. Fahey, 2011 - (ARMINIDAE)
- kamaensis, Crassispira kamaensis E.W. Vredenburg, 1921 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- kamakurana, Turricula kamakurana W.H. Dall, 1919 - syn of: Comitas kamakurana (H.A. Pilsbry, 1895) - (CLAVATULIDAE)
- kamakurana, Exolaternula kamakurana H.A. Pilsbry, 1895 - syn of: Laternula liautaudi (H. Mittre, 1844) - (LATERNULIDAE)
- kamakurana, Anatina kamakurana H.A. Pilsbry, 1895 - syn of: Laternula liautaudi (H. Mittre, 1844) - (MACTRIDAE)
- kamakurana, Guraleus kamakurana H.A. Pilsbry, 1904 - syn of: Guraleus kamakuranus (H.A. Pilsbry, 1904) - (MANGELIIDAE)
- kamakurana, Comitas kamakurana (H.A. Pilsbry, 1895) - (PSEUDOMELATOMIDAE)
- kamakurana, Megastomia kamakurana (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- kamakurana, Pleurotoma kamakurana H.A. Pilsbry, 1895 - syn of: Comitas kamakurana (H.A. Pilsbry, 1895) - (TURRIDAE)
- kamakurana ensyuensis, Turricula kamakurana ensyuensis T. Shikama & S. Hayashi, 1977 - syn of: Comitas ensyuensis (T. Shikama, 1977) - (CLAVATULIDAE)
- kamakuranum, Epitonium kamakuranum H.A. Pilsbry, 1911 - syn of: Epitonium eusculptum (G.B. III Sowerby, 1903) - (EPITONIIDAE)
- kamakuranus, Guraleus kamakuranus (H.A. Pilsbry, 1904) - (MANGELIIDAE)
- kamakurensis, Penitella kamakurensis M. Yokoyama, 1922 - (PHOLADIDAE)
- kamakurensis, Turbonilla kamakurensis (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- kamakurensis, Chemnitzia kamakurensis S. Nomura, 1938 - syn of: Turbonilla kamakurensis (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- kamakurensis, Fulgoraria kamakurensis (Y. Otuka, 1949) - (VOLUTIDAE)
- kamakurensis, Psephaea kamakurensis Y. Otuka, 1949 - syn of: Fulgoraria kamakurensis (Y. Otuka, 1949) - (VOLUTIDAE)
- Kamaleda, syn of: Genus Nuculana J.H.F. Link, 1807 (NUCULANIDAE)
- kamaloensis, Partulina redfieldi kamaloensis H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- kamatakiensis, Cellana kamatakiensis T. Kase, T. Nakano, Y. Kurihara & T. Haga, 2013 † - (NACELLIDAE) (FOSSIL)
- kamayasikensis, Thracia kamayasikensis K.M. Hatai, 1940 - syn of: Thracia trapezoides T.A. Conrad, 1849 - (THRACIIDAE)
- kamayura, Turbonilla kamayura R.S. Absalão, F.N. Dos Santos & D. de Oliveira Tenório, 2003 - (PYRAMIDELLIDAE)
- kambarae, Trochomorpha kambarae H.B. Baker, 1941 - (TROCHOMORPHIDAE)
- kambei, Maizuria kambei Nakazawa, 1959 † - (BAKEVELLIIDAE) (FOSSIL)
- kambeul, Limicolaria kambeul (J.G. Bruguière, 1792) - (ACHATINIDAE)
- kambeul aedilis, Limicolaria kambeul aedilis A.E.J. Férussac - (ACHATINIDAE)
- kambeul chudeaui, Limicolaria kambeul chudeaui (J. Germain, 1920) - (ACHATINIDAE)
- kamchatica, Cochlicopa kamchatica Y.I. Starobogatov, 1996 - (COCHLICOPIDAE)
- kamchatica, Kurilinaia kamchatica V.V. Bogatov & al., 2003 - syn of: Margaritifera middendorffi (O.W. Von Rosen, 1926) - (MARGARITIFERIDAE)
- kamchatica, Antiplanes kamchatica W.H. Dall, 1919 - syn of: Antiplanes vinosa (W.H. Dall, 1874) - (PSEUDOMELATOMIDAE)
- kamchatica, Beringiana kamchatica V.V. Bogatov & Y.I. Starobogatov, 2001 - syn of: Anodonta beringiana (A.T. von Middendorff, 1851) - (UNIONIDAE)
- kamchatica, Cincinna kamchatica L.A. Prozorova & Y.I. Starobogatov, 1998 - (VALVATIDAE)
- kamchaticus, Dendronotus kamchaticus Ekimova & al., 2015 - (DENDRONOTIDAE)
- kamchaticus, Margarites schantaricus kamchaticus (W.H. Dall, 1919) - (MARGARITIDAE)
- kamchatkana, Megayoldia kamchatkana O.A. Scarlato, 1981 - syn of: Megayoldia montereyensis (W.H. Dall, 1893) - (YOLDIIDAE)
- kamchatkanus, Scabrotrophon kamchatkanus (W.H. Dall, 1902) - (MURICIDAE)
- kamchatkanus, Trophonopsis kamchatkanus W.H. Dall, 1902 - syn of: Scabrotrophon kamchatkanus (W.H. Dall, 1902) - (MURICIDAE)
- kamchatkensis, Neogastroplites kamchatkensis Alabushev & Wiedmann, 1994 † - (HOPLITIDAE) (FOSSIL)
- kamehameha, Endodonta kamehameha H.A. Pilsbry & E.G. Vanatta, 1906 - (ENDODONTIDAE)
- kamehameha, Mitra kamehameha H.A. Pilsbry, 1920 - syn of: Mitra ustulata L.A. Reeve, 1844 - (MITRIDAE)
- kamehamehae, Plaxiphora kamehamehae A. Ferreira & H.W. Bertsch, 1979 - (MOPALIIDAE)
- Kamekia, Genus Kamekia J.T. Kuroda & T. Habe, 1971 (KELLIIDAE)
- kamenkensis, Yunnania kamenkensis (Jakowlew, 1899 †) - (ARAEONEMATIDAE) (FOSSIL)
- Kamenushkaites, Genus Kamenushkaites Zakharov & Smyshlyaeva, 2016 (PALAEOPHYLLITIDAE) (FOSSIL)
- kamerunense, Pachydesmoceras kamerunense (A. von Koenen, 1898 †) - (DESMOCERATIDAE) (FOSSIL)
- kamerunensis, Spatha kamerunensis B. Walker, 1910 - syn of: Aspatharia rugifera (R.W. Dunker, 1858) - (IRIDINIDAE)
- Kamerunoceras, Genus Kamerunoceras Reyment , 1954 (ACANTHOCERATIDAE) (FOSSIL)
- kamiesch, Cyclope kamiesch J.C. Chenu, 1859 - syn of: Cyclope neritea (C. Linnaeus, 1758) - (NASSARIIDAE)
- kaminjensis, Volynites kaminjensis Farsan, 1984 † - (VOLYNITIDAE) (FOSSIL)
- kamirensis, Rhodopyrgula kamirensis Willmann, 1981 † - (HYDROBIIDAE) (FOSSIL)
- kamirensis, Valvata kamirensis Willmann, 1981 † - (VALVATIDAE) (FOSSIL)
- kamischiensis atra, Cyclope kamischiensis atra K.O. Milaschewitsch, 1916 - syn of: Cyclope neritea (C. Linnaeus, 1758) - (NASSARIIDAE)
- kamischiensis exigua, Cyclope kamischiensis exigua K.O. Milaschewitsch, 1916 - syn of: Cyclope neritea (C. Linnaeus, 1758) - (NASSARIIDAE)
- kamishakensis, Pachydiscus kamishakensis Jones, 1963 † - (DESMOCERATIDAE) (FOSSIL)
- kamiyai, Bankia kamiyai G.F. Roch, 1929 - syn of: Bankia carinata (J.E. Gray, 1827) - (TEREDINIDAE)
- kamiyanum, Cirsotrema kamiyanum J.T. Kuroda, MS T.A. Okutani, 1964 - syn of: Cirsotrema mituokai (H. Ozaki, 1958) - (EPITONIIDAE)
- kamiyassensis, Sanguinolites kamiyassensis Nakazawa & Newell, 1968 † - (SANGUINOLITIDAE) (FOSSIL)
- kamloensis, Lamellidea polygnampta kamloensis H.A. Pilsbry & C.M. Cooke, 1915 - (ACHATINELLIDAE)
- kammerkarensis, Ammonites kammerkarensis Stolley, 1903 † - (AMMONITIDA (UNASSIGNED)) (FOSSIL)
- kammerkarensis, Frechiella kammerkarensis (Stolley, 1903 †) - (HILDOCERATIDAE) (FOSSIL)
- kammerkarensis buranensis, Frechiella kammerkarensis buranensis Renz, 1933 † - (HILDOCERATIDAE) (FOSSIL)
- Kammerkarites, Genus Kammerkarites Spath , 1924 (SCHLOTHEIMIIDAE) (FOSSIL)
- Kammerkaroceras, Genus Kammerkaroceras Sowerby, 1833 (PSILOCERATIDAE) (FOSSIL)
- kamoharai, Pliciphaedusa kamoharai (J.T. Kuroda, 1936) - (CLAUSILIIDAE)
- kampara, Dichostasia kampara Batten, 1979 † - (LIOTIIDAE) (FOSSIL)
- kamparensis, Dereconcha kamparensis Yancey & Boyd, 1983 † - (SAIKRACONCHIDAE) (FOSSIL)
- kampe, Crioceratites kampe Schafhautl, 1863 † - (CRIOCERATITIDAE) (FOSSIL)
- kampemorpha, Collina kampemorpha Kottek, 1963 † - (DACTYLIOCERATIDAE) (FOSSIL)
- kampeni, Nassa kampeni E.J. Koperberg, 1931 - syn of: Nassarius crebricostatus (M.M. Schepman, 1911) - (NASSARIIDAE)
- kampotensis, Pyrgulina kampotensis E. Saurin, 1962 - (PYRAMIDELLIDAE)
- kampsa, Calliostoma kampsa W.H. Dall, 1927 - (CALLIOSTOMATIDAE)
- Kamptoclymenia, Genus Kamptoclymenia Schindewolf , 1937 (PARAWOCKLUMERIIDAE) (FOSSIL)
- Kamptokephalites, Subgenus Macrocephalites (Kamptokephalites) Zittel, 1884 (MACROCEPHALITIDAE) (FOSSIL)
- kampyla, Nassaria kampyla R.B. Watson, 1885 - syn of: Sassia kampyla Watson, 1885 - (NASSARIIDAE)
- kampyla, Sassia kampyla Watson, 1885 - (RANELLIDAE)
- kamtchatkana, Tripoplax kobjakovae kamtchatkana (B.I. Sirenko, 1975) - (ISCHNOCHITONIDAE)
- kamtchatkana, Megayoldia kamtchatkana O.A. Scarlato, 1981 - syn of: Megayoldia montereyensis (W.H. Dall, 1893) - (YOLDIIDAE)
- kamtschatica, Arca kamtschatica Krishtofovich, 1969 † - syn of: Arca boucardi F.P. Jousseaume, 1894 - (ARCIDAE) (FOSSIL)
- kamtschatica, Elliptica kamtschatica A. Petrov, 1982 † - syn of: Astarte alaskensis W.H. Dall, 1903 - (ASTARTIDAE) (FOSSIL)
- kamtschatica, Venericardia kamtschatica Slodkewitsch, 1935 - syn of: Cyclocardia crebricostata A. Krause, 1885 - (CARDITIDAE)
- kamtschatica, Cyclocardia kamtschatica Slodkewitsch, 1979 † - syn of: Cyclocardia ochotica (Slodkewitsch, 1936 †) - (CARDITIDAE) (FOSSIL)
- kamtschatica, Corbula kamtschatica V.N. Sinelnikova, 1984 † - syn of: Anisocorbula ohiroi O. Masuda, 1966 † - (CORBULIDAE) (FOSSIL)
- kamtschatica, Corbicula kamtschatica Krishtofovich, 1947 † - (CYRENIDAE) (FOSSIL)
- kamtschatica, Gonatus kamtschatica A.T. von Middendorff, 1849 - syn of: Gonatus kamtschaticus (A.T. von Middendorff, 1849) - (GONATIDAE)
- kamtschatica, Gibbolucina kamtschatica (Pronina, 1969 †) - (LUCINIDAE) (FOSSIL)
- kamtschatica, Lucinoma kamtschatica Krishtofovich, 1984 † - (LUCINIDAE) (FOSSIL)
- kamtschatica, Pseudomiltha kamtschatica Pronina, 1969 † - syn of: Gibbolucina kamtschatica (Pronina, 1969 †) - (LUCINIDAE) (FOSSIL)
- kamtschatica, Lymnaea kamtschatica (A.T. von Middendorff, 1851) - (LYMNAEIDAE)
- kamtschatica, Malletia kamtschatica Krishtofovich, 1959 † - (MALLETIIDAE) (FOSSIL)
- kamtschatica, Cryptomya kamtschatica Ilyina, 1963 † - (MYIDAE) (FOSSIL)
- kamtschatica, Cryptomya kamtschatica Il'ina, 1963 - syn of: Cryptomya californica (T.A. Conrad, 1837) - (MYIDAE)
- kamtschatica, Truncacila kamtschatica Ilyina, 1963 † - syn of: Truncacila cobboldae (J. de C. Sowerby, 1817 †) - (NUCULIDAE) (FOSSIL)
- kamtschatica, Delectopecten kamtschatica Krishtofovich, 1984 † - syn of: Pseudamussium peckhami W.M. Gabb, 1906 † - (PECTINIDAE) (FOSSIL)
- kamtschatica, Pholadidea kamtschatica V.N. Sinelnikova, 1984 † - (PHOLADIDAE) (FOSSIL)
- kamtschatica, Pholadomya kamtschatica L. Krishtofovich, 1972 † - (PHOLADOMYIDAE) (FOSSIL)
- kamtschatica, Plicatula kamtschatica Pronina, 1969 † - (PLICATULIDAE) (FOSSIL)
- kamtschatica, Gari kamtschatica V.N. Sinelnikova, 1987 † - (PSAMMOBIIDAE) (FOSSIL)
- kamtschatica, Thracia kamtschatica L. Krishtofovich, 1947 † - (THRACIIDAE) (FOSSIL)
- kamtschatica, Conchocele kamtschatica (L. krishtifovich, 1984 †) - (THYASIRIDAE) (FOSSIL)
- kamtschatica, Vallonia kamtschatica (I.M. Likharev, 1963) - (VALLONIIDAE)
- kamtschatica, Periglypta kamtschatica V.N. Sinelnikova, 1990 † - syn of: Humilaria perlaminosa (T.A. Conrad, 1855 †) - (VENERIDAE) (FOSSIL)
- kamtschatica dvalii, Venericardia kamtschatica dvalii Slodkewitsch, 1938 † - syn of: Cyclocardia praeruptensis (Slodkewitsch, 1938 †) - (CARDITIDAE) (FOSSIL)
- kamtschaticum, Propeamussium kamtschaticum (Pronina, 1969 †) - (PROPEAMUSSIIDAE) (FOSSIL)
- kamtschaticus, Serripes kamtschaticus Ilyina, 1963 - syn of: Serripes laperousii (G.P. Deshayes, 1839) - (CARDIIDAE)
- kamtschaticus, Gonatus kamtschaticus (A.T. von Middendorff, 1849) - (GONATIDAE)
- kamtschaticus, Brachidontes kamtschaticus V.N. Sinelnikova, 1984 † - (MYTILIDAE) (FOSSIL)
- kamtschaticus, Anisus kamtschaticus (C.A. Westerlund, 1876) - (PLANORBIDAE)
- kamtschaticus, Saxidomus kamtschaticus L. Krishtofovich, 1969 † - syn of: Saxidomus purpuratus (G.B. II Sowerby, 1852) - (VENERIDAE) (FOSSIL)
- kamtschatkana, Haliotis kamtschatkana I.H. Jonas, 1845 - (HALIOTIDAE)
- kamtschatkana assimilis, Haliotis kamtschatkana assimilis W.H. Dall, 1878 - (HALIOTIDAE)
- Kamupena, Genus Kamupena Speden, 1962 (EOTOMARIIDAE) (FOSSIL)
- kamura, Cytora kamura B.A. Marshall & G.M. Barker, 2007 - (LIAREIDAE)
- kamuy, Kummeloceras kamuy E. Matsumoto & Muramoto, 1983 † - syn of: Kummelonautilus kamuy (E. Matsumoto & Muramoto, 1983 †) - (DOMATOCERATIDAE) (FOSSIL)
- kamuy, Kummelonautilus kamuy (E. Matsumoto & Muramoto, 1983 †) - (NAUTILIDAE) (FOSSIL)
- kamuyi, Ainoceras kamuyi E. Matsumoto in E. Matsumoto & Kaine, 1967 † - (NOSTOCERATIDAE) (FOSSIL)
- kamyschinensis, Turritella kamyschinensis Netschaew, 1897 † - syn of: Turritella arsenei Briart & Cornet, 1873 † - (TURRITELLIDAE) (FOSSIL)
- kanabense, Acanthoceras kanabense Stanton, 1894 † - syn of: Euomphaloceras septemseriatum (Cragin, 1893 †) - (ACANTHOCERATIDAE) (FOSSIL)
- kanabense, Metoicoceras kanabense A. Hyatt, 1903 † - syn of: Metoicoceras gibbosum A. Hyatt, 1903 † - (ACANTHOCERATIDAE) (FOSSIL)
- kanabense, Charonia kanabense Stanton, 1893 † - (RANELLIDAE) (FOSSIL)
- kanabense, Oxyloma kanabense H.A. Pilsbry, 1948 - (SUCCINEIDAE)
- kanabensis, Corbula kanabensis Stanton, 1893 † - (CORBULIDAE) (FOSSIL)
- kanabensis, Cossmannea kanabensis N.F. Sohl, 1965 † - (NERINEIDAE) (FOSSIL)
- kanabensis, Oxyloma haydeni kanabensis (H.A. Pilsbry, 1948) - (SUCCINEIDAE)
- Kanabiceras, syn of: Genus Euomphaloceras Spath , 1923 (ACANTHOCERATIDAE) (FOSSIL)
- Kanabohelix, Genus Kanabohelix H.A. Pilsbry, 1927 (CAMAENIDAE)
- kanae, Halonympha kanae Heinberg 1979 † - (HALONYMPHIDAE) (FOSSIL)
- kanaganensis, Hemiphaedusa kanaganensis C.K. Chang, 1980 - (CLAUSILIIDAE)
- kanagawana, Turbonilla kanagawana (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- kanagawana, Chemnitzia kanagawana S. Nomura, 1938 - syn of: Turbonilla kanagawana (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- kanaina, Subulophora kanaina (F.P. Jousseaume, 1884) - (TRIPHORIDAE)
- kanajirisawensis, Desbruyeresia kanajirisawensis A. Kaim & al., 2008 † - (PROVANNIDAE) (FOSSIL)
- kanaka, Melanella kanaka H.A. Pilsbry, 1917 - (EULIMIDAE)
- kanaka, Gastrochaena kanaka (W.H. Dall, P. Bartsch & H.A. Rehder, 1938) - (GASTROCHAENIDAE)
- kanaka, Nucula kanaka W. Bergmans, 1991 - (NUCULIDAE)
- kanaka, Heteroglypta kanaka H.A. Pilsbry, 1921 - syn of: Gari pennata (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- kanakanarum, Vanikoro kanakanarum H.A. Pilsbry, 1920, 1921 - syn of: Vanikoro acuta C.A. Récluz, 1844 - (VANIKORIDAE)
- kanakina, Mactra kanakina S.M. Souverbie, 1860 - (MACTRIDAE)
- kanakina, Physa kanakina J. Gassies, 1857 - (PHYSIDAE)
- kanakinus, Profundiconus kanakinus (G. Richard, 1983) - (CONIDAE)
- kanakinus, Phasmoconus kanakinus G. Richard, 1983 - syn of: Profundiconus kanakinus (G. Richard, 1983) - (CONIDAE)
- kanakoffi, Lepidozona kanakoffi Vendrasco & al., 2012 † - (ISCHNOCHITONIDAE) (FOSSIL)
- kanakoffi, Thracia kanakoffi L.G. Hertlein & J. Grant, 1972 - syn of: Thracia trapezoides T.A. Conrad, 1849 - (THRACIIDAE)
- kanakoffi, Securella kanakoffi L.G. Hertlein & Grant 1972 † - (VENERIDAE) (FOSSIL)
- kanakorum, Benthastelena kanakorum (B.A. Marshall, 2001) - (CALLIOSTOMATIDAE)
- kanakorum, Striodentalium kanakorum V. Scarabino, 1995 - (DENTALIIDAE)
- kanakorum, Ataxocerithium kanakorum Cecalupo & Perugia, 2017 - (NEWTONIELLIDAE)
- Kanakyella, Genus Kanakyella M. Haase & P. Bouchet, 1998 (HYDROBIIDAE)
- kanalensis, Placostylus kanalensis (J.C.H. Crosse, 1869) - (BOTHRIEMBRYONTIDAE)
- kanalensis subeffusus, Placostylus kanalensis subeffusus W. Kobelt, 1891 - syn of: Placostylus fibratus alexander (J.C.H. Crosse, 1855) - (BOTHRIEMBRYONTIDAE)
- kanalensis subefusus, Placostylus kanalensis subefusus W. Kobelt, 1891 - (BOTHRIEMBRYONTIDAE)
- kanalensis tchioensis, Placostylus kanalensis tchioensis W. Kobelt, 1891 - syn of: Placostylus fibratus alexander (J.C.H. Crosse, 1855) - (BOTHRIEMBRYONTIDAE)
- kanalitensis, Iglica kanalitensis A. Reischütz, N. Reischütz & P.L. Reischütz, 2016 - (HYDROBIIDAE)
- Kanamarua, Genus Kanamarua J.T. Kuroda, 1951 (COLUBRARIIDAE)
- kanamaruana, Sulcomitrella kanamaruana (J.T. Kuroda, 1953) - (COLUMBELLIDAE)
- kanamarui, Satsuma japonica kanamarui (Y. Hirase, 1909) - (CAMAENIDAE)
- kanamarui, Latiaxis kanamarui T. Shikama, 1978 - syn of: Latiaxis kiranus (J.T. Kuroda, 1959) - (MURICIDAE)
- kanamarui, Abra kanamarui J.T. Kuroda, 1951 - syn of: Abra lunella (A.A. Gould, 1861) - (SEMELIDAE)
- kanamarui, Thyasira kanamarui T. Habe, 1951 - syn of: Philis cumingi (P. Fischer, 1861) - (THYASIRIDAE)
- kanamarui, Viriola kanamarui K. Oyama & T. Habe, 1962 - syn of: Euthymella elegans (R.B. Hinds, 1843) - (TRIPHORIDAE)
- kaname, Hypselodoris kaname K. Baba, 1994 - (CHROMODORIDIDAE)
- Kanapa, Genus Kanapa W.J. Clench, 1949 (PUPINIDAE)
- kanayai, Conolithes kanayai T. Shuto, 1969 † - (CONIDAE) (FOSSIL)
- kanazawaensis, Nipponoclava kanazawaensis (Omura 1969) † - (PENICILLIDAE) (FOSSIL)
- kanchingensis, Sinoennea kanchingensis J.R. le B. Tomlin, 1948 - (DIAPHERIDAE)
- kandaharensis, Deroceras kandaharensis C.O. Van Regteren Altena, 1970 - syn of: Lytopelte maculata (F.C.L. Koch & D.F. Heynemann in E.C. Von Martens, 1874) - (AGRIOLIMACIDAE)
- Kandaharia, syn of: Genus Candaharia H.H. Godwin-Austen, 1914 (PARMACELLIDAE)
- kandai, Aegista kandai M. Azuma, 1970 - (BRADYBAENIDAE)
- kandai, Epitonium kandai J.T. Kuroda & M. Azuma, 1961 - syn of: Epitonium tokyoense kandai (J.T. Kuroda & M. Azuma, 1961) - (EPITONIIDAE)
- kandai, Epitonium tokyoense kandai (J.T. Kuroda & M. Azuma, 1961) - (EPITONIIDAE)
- kandai, Fusolatirus kandai (J.T. Kuroda, 1950) - (FASCIOLARIIDAE)
- kandai, Ovachlamys kandai M. Azuma, 1978 - (HELICARIONIDAE)
- kandai, Testudovolva kandai C.N. Cate & M. Azuma, 1973 - syn of: Testudovolva nipponensis (H.A. Pilsbry, 1913) - (OVULIDAE)
- kandai, Pseudosimnia kandai C.N. Cate & M. Azuma, 1973 - syn of: Testudovolva nipponensis (H.A. Pilsbry, 1913) - (OVULIDAE)
- kandai, Pilsbryspira kandai (J.T. Kuroda, 1950) - (PSEUDOMELATOMIDAE)
- kandiensis, Macrochlamys kandiensis H.H. Godwin-Austen, 1883 - (ARIOPHANTIDAE)
- kandiingi, Wakayella kandiingi Kruse, 1998 † - (HELCIONELLIDAE) (FOSSIL)
- Kandoschloritis, Genus Kandoschloritis Shea & Griffiths, 2010 (CAMAENIDAE)
- Kandosoconcha, Genus Kandosoconcha Cook & Camilleri, 2001 (PSEUDOBIGALEAIDAE) (FOSSIL)
- Kaneconcha, Genus Kaneconcha Kaim, Tucholke & Warιn, 2012 (PROVANNIDAE) (FOSSIL)
- kaneharai, Mimachlamys kaneharai (Yokoyama, 1926 †) - (PECTINIDAE) (FOSSIL)
- kaneharai, Cryptogramma kaneharai M. Yokoyama, 1928 - syn of: Crenocrassatella yagurai (J. Makiyama, 1927) - (VENERIDAE)
- kaneharai uandiensis, Kaneharaia kaneharai uandiensis V.N. Sinelnikova, 1987 † - syn of: Kaneharaia ausiensis Ilyina, 1957 † - (VENERIDAE) (FOSSIL)
- Kaneharaia, Genus Kaneharaia Makiyama, 1936 (VENERIDAE) (FOSSIL)
- kanei, Yubariceras kanei (Jones, 1938 †) - (ACANTHOCERATIDAE) (FOSSIL)
- kanei, Plagiostoma kanei Imlay, 1940 † - (LIMIDAE) (FOSSIL)
- kaneko, Psephaea kaneko S. Hirase, 1922 - (VOLUTIDAE)
- kaneko hayashii, Psephaea kaneko hayashii T. Habe & K. Itô, 1965 - (VOLUTIDAE)
- kaneko itoi, Psephaea kaneko itoi T. Habe, 1965 - (VOLUTIDAE)
- kaneko yamamotoi, Psephaea kaneko yamamotoi T. Shikama, 1967 - (VOLUTIDAE)
- kanekoi, Kitikamispira kanekoi T. Kase & Nishida, 1988 † - (EUOMPHALOIDEA (UNASSIGNED)) (FOSSIL)
- kanekoi, Helicotoma kanekoi T. Kobayashi, 1931 † - (HELICOTOMIDAE) (FOSSIL)
- kanekoi, Murchisonia kanekoi (T. Kase & Nishida, 1986 †) - (MURCHISONIIDAE) (FOSSIL)
- kanekoi, Nucinella kanekoi A. Matsukuma, T.A. Okutani & R. Tsuchi, 1982 - (NUCINELLIDAE)
- kanekoi, Ulrichospira kanekoi T. Kase & Nishida, 1986 † - syn of: Murchisonia kanekoi (T. Kase & Nishida, 1986 †) - (PHANEROTREMATIDAE) (FOSSIL)
- kanekoi, Cratis kanekoi I. Hayami & T. Kase, 1993 - (PHILOBRYIDAE)
- kanekoi, Punctum kanekoi J.T. Kuroda, 1958 - (PUNCTIDAE)
- kanekoi, Stenothyra kanekoi J.T. Kuroda, 1962 - (STENOTHYRIDAE)
- Kanekotrochus, Genus Kanekotrochus T. Habe, 1958 (TROCHIDAE)
- kanela, Aclis kanela R.S. Absalão, 2009 - (ACLIDIDAE)
- kanemoe, Epitonium kanemoe H.A. Pilsbry, 1921 - syn of: Epitonium sandwichense P. Nyst, 1871 - (EPITONIIDAE)
- kanense, Dactylioceras kanense McLearn, 1930 † - (DACTYLIOCERATIDAE) (FOSSIL)
- Kaneoha, syn of: Genus Kellia W.H. Turton, 1822 (KELLIIDAE)
- kanesi, Scalites kanesi Kobayashi, 1930 † - (RAPHISTOMATIDAE) (FOSSIL)
- kanesunosensis, Serradonta kanesunosensis T. Sasaki, T.A. Okutani & K. Fujikura, 2003 - (PECTINODONTIDAE)
- kanga, Hypselodoris kanga W.B. Rudman, 1977 - (CHROMODORIDIDAE)
- kanga, Cuthona kanga (M. Edmunds, 1970) - (FIONIDAE)
- Kangapaya, Genus Kangapaya (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- kangdingensis, Bradybaena kangdingensis C. Chen & S.P. Zhang, 2004 - (BRADYBAENIDAE)
- kangdingensis, Serriphaedusa kangdingensis (C. Chen & S.Q. Zhang, 1999) - (CLAUSILIIDAE)
- Kangilioptera, Genus Kangilioptera Rosenkrantz, 1970 (APORRHAIDAE) (FOSSIL)
- Kangxianospira, Genus Kangxianospira Guo, 1982 (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- kangyaoensis, Lophospira kangyaoensis Endo, 1932 † - syn of: Lophospira selecta (Billings, 1865 †) - (LOPHOSPIRIDAE) (FOSSIL)
- kaniae, Berthella kaniae G.G. Sphon, 1972 - syn of: Berthella martensi (H.A. Pilsbry, 1896) - (PLEUROBRANCHIDAE)
- kanieriensis, Zeacolpus kanieriensis (G.F. Harris, 1897 †) - (TURRITELLIDAE) (FOSSIL)
- Kanilla, syn of: Genus Acteon P.D. Montfort, 1810 (ACTEONIDAE)
- kanisaensis, Segmentorbis kanisaensis (H.B. Preston, 1914) - (PLANORBIDAE)
- kanjiokuboi, Enteroplax kanjiokuboi H. Minato & A. Tada, 1992 - (STROBILOPSIDAE)
- kanjiookuboi, Tyrannophaedusa kanjiookuboi H. Minato, 1980 - (CLAUSILIIDAE)
- Kankelibranchus, Genus Kankelibranchus J.A. Ortea, J. Espinosa & G.M. Caballer, 2004 (POLYCERIDAE)
- kanlenum, Hedecardium kanlenum (Cotter, 1923 †) - (CARDIIDAE) (FOSSIL)
- kanmuriensis, Euhadra kanmuriensis M. Azuma & A. Tada, 1969 - (BRADYBAENIDAE)
- kanmuriyamensis, Vitrinula kanmuriyamensis M. Azuma, 1973 - (ARIOPHANTIDAE)
- kanmuriyamensis, Aegista kanmuriyamensis M. Azuma, 1982 - (BRADYBAENIDAE)
- Kannaropa, Subgenus Dentherona (Kannaropa) T. Iredale, 1937 (CHAROPIDAE)
- kannegieteri, Arca kannegieteri Icke, 1907 † - (ARCIDAE) (FOSSIL)
- kannoi, Crenella kannoi Marincovich Jr., 1993 † - (MYTILIDAE) (FOSSIL)
- kannoi, Archivesica kannoi K. Amano & S. Kiel, 2010 † - (VESICOMYIDAE) (FOSSIL)
- kanoi, Nesiohelix kanoi (J.T. Kuroda, 1932) - (BRADYBAENIDAE)
- kanoi, Joculator kanoi A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- Kanoia, Genus Kanoia Warιn & Rouse, 2016 (CATAEGIDAE)
- kanoni, Cerithiopsis kanoni L. de Folin, 1868 - syn of: Seila assimilata (C.B. Adams, 1852) - (CERITHIOPSIDAE)
- kansaensis, Soleniscus kansaensis (Shumard & Swallow, 1858 †) - (SOLENISCIDAE) (FOSSIL)
- Kansana, syn of: Genus Trepospira Ulrich & Scofield, 1897 (EOTOMARIIDAE) (FOSSIL)
- kansanensis, Myalina kansanensis Shumard & Swallow, 1858 † - syn of: Septimyalina perattenuata (F.B. Meek & Hayden, 1858 †) - (MYALINIDAE) (FOSSIL)
- kansasense, Cerithium kansasense Stanton, 1947 † - (CERITHIIDAE) (FOSSIL)
- kansasense, Mooreoceras kansasense † - (PSEUDORTHOCERATIDAE) (FOSSIL)
- kansasensis, Glaphyrites kansasensis (Miller & Gurley, 1896 †) - (GLAPHYRITIDAE) (FOSSIL)
- kansasensis, Retispira kansasensis Shumard, 1858 † - syn of: Retispira yochelsoni Jeffery & al., 1994 † - (KNIGHTITIDAE) (FOSSIL)
- kansasensis, Myalina kansasensis Shumard & Swallow, 1858 † - (MYALINIDAE) (FOSSIL)
- kansasensis, Ostrea kansasensis Logan, 1899 † - (OSTREIDAE) (FOSSIL)
- kansasensis, Pecosorbis kansasensis (S.S. Berry, 1966) - (PLANORBIDAE)
- kansasensis, Pseudopronorites kansasensis (Newell, 1936 †) - (PRONORITIDAE) (FOSSIL)
- kansasensis, Pseudomonotis kansasensis Beede, 1900 † - syn of: Pseudomonotis equistriata Beede, 1900 † - (PSEUDOMONOTIDAE) (FOSSIL)
- kansasensis, Turritella kansasensis F.B. Meek, 1871 † - (TURRITELLIDAE) (FOSSIL)
- Kansasteuthis, Genus Kansasteuthis Miller & Walker, 1968 (PALAEOLOLIGINIDAE) (FOSSIL)
- kansuensis, Naticopsis kansuensis Yin, 1932 † - (DELPHINULOPSIDAE) (FOSSIL)
- kantanganus, Conus kantanganus A.J. Da Motta, 1982 - syn of: Fusiconus longurionis (L.C. Kiener, 1847) - (CONIDAE)
- kantavuensis, Placostylus kantavuensis J.C.H. Crosse, 1870 - (BOTHRIEMBRYONTIDAE)
- kantavuensis, Trochomorpha kantavuensis A. Garrett, 1887 - (TROCHOMORPHIDAE)
- kantilali, Pachnodus kantilali J.J. Van Mol & G. Coppois, 1980 - (CERASTUIDAE)
- kantkotensis, Arisphinctes kantkotensis Pandey, Alberti & Fürsich, 2012 † - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- kantoensis, Nipponochloritis pumila kantoensis E. Sorita, 1986 - (CAMAENIDAE)
- kantori, Jerrybuccinum kantori K. Fraussen, J. Sellanes & P. Stahlschmidt, 2014 - (BUCCINIDAE)
- kantori, Pararetifusus kantori A. Kosyan, 2006 - (BUCCINIDAE)
- kantori, Marshallopsis kantori A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- kantori, Episiphon kantori V. Scarabino & F. Scarabino, 2010 - (GADILINIDAE)
- kantori, Leptochiton kantori Sirenko, 2016 - (LEPTOCHITONIDAE)
- kantori, Pseudolucinisca kantori Glover & J.D. Taylor, 2016 - (LUCINIDAE)
- kantori, Mitra kantori G.T. Poppe, S.P. Tagaro & R. Salisbury, 2009 - (MITRIDAE)
- kantori, Chicoreus kantori R. Houart & V. Héros, 2013 - (MURICIDAE)
- kantori, Cyclopecten kantori H.H. Dijkstra & P. Maestrati, 2015 - (PROPEAMUSSIIDAE)
- kantori, Leucosyrinx kantori J.H. McLean, 1995 - (PSEUDOMELATOMIDAE)
- kantori, Turris kantori R.N. Kilburn, A.E. Fedosov & B.M. Olivera, 2012 - (TURRIDAE)
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