- Kara, Subgenus Thaumastus (Kara) H. Strebel, 1910 (MEGASPIRIDAE)
- Karabaghia, Genus Karabaghia W.A. Lindholm, 1927 (HYGROMIIDAE)
- karachiensis, Ischnochiton karachiensis P. Kaas, 1954 - syn of: Ischnochiton bouryi C. Dupuis, 1917 - (ISCHNOCHITONIDAE)
- karachiensis, Brachyodontes karachiensis J.C. Melvill & R. Standen, 1907 - syn of: Brachidontes pharaonis (P. Fischer, 1870) - (MYTILIDAE)
- karachiensis, Cellana karachiensis (R. Winckworth, 1930) - (NACELLIDAE)
- karachiensis, Patella karachiensis R. Winckworth, 1930 - syn of: Cellana radiata (I. von Born, 1778) - (PATELLIDAE)
- karachiensis, Pupoides karachiensis A.J. Peile, 1929 - (PUPILLIDAE)
- karachiensis, Syrnola karachiensis J.C. Melvill, 1897 - (PYRAMIDELLIDAE)
- Karaclymenia, Genus Karaclymenia Bogoslovsky , 1983 (CARINOCLYMENIIDAE) (FOSSIL)
- Karadzharia, Genus Karadzharia Korn, 2002 (RECTOCLYMENIIDAE) (FOSSIL)
- Karadzharoceras, Genus Karadzharoceras Zhuravleva, 1972 (DISCOSORIDA (unassigned)) (FOSSIL)
- Karaftohelix, Subgenus Bradybaena (Karaftohelix) H.A. Pilsbry, 1927 (BRADYBAENIDAE)
- karaftonis, Stenothyra karaftonis J.T. Kuroda, 1962 - (STENOTHYRIDAE)
- karagacensis, Melanopsis vindobonensis karagacensis P.S. Pavlovic, 1927 † - (MELANOPSIDAE) (FOSSIL)
- karagandense, Mimimitoceras karagandense (Bogoslovsky, 1971 †) - (PRIONOCERATIDAE) (FOSSIL)
- Karagandoceras, Genus Karagandoceras Librovitch, 1938 (KARAGANDOCERATIDAE) (FOSSIL)
- KARAGANDOCERATIDAE Librovitch, 1957 - Family (CEPHALOPODA-AMMONOIDEA-GONIATITIDA) (FOSSIL)
- karaganicus, Viviparus karaganicus Volkova, 1955 † - (VIVIPARIDAE) (FOSSIL)
- karaginskiensis, Chlamys karaginskiensis V.N. Sinelnikova, 1975 † - (PECTINIDAE) (FOSSIL)
- karagweensis, Limicolaria martensi karagweensis W. Kobelt, 1913 - (ACHATINIDAE)
- karagwensis, Limicolaria karagwensis W. Kobelt - (ACHATINIDAE)
- karagwensis insularis, Limicolaria karagwensis insularis M. Connolly, 1932 - (ACHATINIDAE)
- karainensis, Lindbergia karainensis W. Rähle & F. Riedel, 1987 - (PRISTILOMATIDAE)
- karajarensis, Rectoclymenia karajarensis Nikolaeva & Ivanovich, 2005 † - (RECTOCLYMENIIDAE) (FOSSIL)
- karaka, Jupiteria karaka J. Marwick, 1931 † - (NUCULANIDAE) (FOSSIL)
- karakaensis, Awateria karakaensis J. Marwick, 1931 † - (BORSONIIDAE) (FOSSIL)
- karakaschi, Pseudothurmannia karakaschi Manolov, 1962 † - (CRIOCERATITIDAE) (FOSSIL)
- karakaschi, Crioceras karakaschi Sarkar, 1955 † - syn of: Crioceratites shibaniae (Sarkar, 1955 †) - (CRIOCERATITIDAE) (FOSSIL)
- karakaschi, Cymatoceras karakaschi Shimansky, 1975 † - (CYMATOCERATIDAE) (FOSSIL)
- karakaschi, Neohoploceras karakaschi (Uhlig, 1902 †) - (NEOCOMITIDAE) (FOSSIL)
- Karakaschiceras, Genus Karakaschiceras Thieuloy , 1971 (NEOCOMITIDAE) (FOSSIL)
- karakorum, Vespericola karakorum R.R. Talmadge, 1962 - (POLYGYRIDAE)
- karakubensis, Omphalotrochus karakubensis Zernetskaya, 1967 † - (OMPHALOTROCHIDAE) (FOSSIL)
- Karamaiceras, Genus Karamaiceras Sokolov, 1967 (AMMONOIDEA (unassigned)) (FOSSIL)
- Karamaites, Genus Karamaites Sokolov, 1961 (AMMONOIDEA (unassigned)) (FOSSIL)
- karamanensis, Conus pelagicus karamanensis ErünalErentöz, 1958 † - (CONIDAE) (FOSSIL)
- karamanensis, Fusus karamanensis E. Forbes, 1844 - syn of: Enginella leucozona (R.A. Philippi, 1844) - (FASCIOLARIIDAE)
- karamanensis, Cancilla scrobiculata karamanensis ErünalErentöz, 1958 - (MITRIDAE)
- karamanensis, Tornus karamanensis B.M. Landau & al., 2013 † - (TORNIDAE) (FOSSIL)
- karamanensis, Conomitra karamanensis B.M. Landau & al., 2013 † - (VOLUTOMITRIDAE) (FOSSIL)
- karamani, Lyhnidia karamani S. Hadžišce, 1959 - (HYDROBIIDAE)
- karamani, Iglica karamani (L. Kušcer, 1935) - (HYDROBIIDAE)
- karamea, Canallodiscus karamea B.A. Marshall & G.M. Barker, 2008 - (CHAROPIDAE)
- karangatiense, Stenopopanoceras karangatiense A.M. Popov, 1968 † - (PARAPOPANOCERATIDAE) (FOSSIL)
- Karangatites, Genus Karangatites Popov , 1968 (MEEKOCERATIDAE) (FOSSIL)
- karangense, Proclava karangense (Martin, 1906 †) - (CERITHIIDAE) (FOSSIL)
- karangensis, Longchaeus karangensis (Martin, 1905 †) - (PYRAMIDELLIDAE) (FOSSIL)
- karanglense, Pseudocycloceras karanglense I.S. Barskov, 1959 † - (SPYROCERATIDAE) (FOSSIL)
- karapadensis, Karapadites karapadensis (Kossmat, 1897 †) - (KOSSMATICERATIDAE) (FOSSIL)
- Karapadites, Subgenus Kossmaticeras (Karapadites) Collignon, 1954 (KOSSMATICERATIDAE) (FOSSIL)
- karasawai, Limacina karasawai Y. Ando, 2011 † - (LIMACINIDAE) (FOSSIL)
- Karaschiceras, Genus Karaschiceras (AMMONOIDEA (unassigned)) (FOSSIL)
- karasensis, Nisiturris karasensis E. Robba, 2013 † - (PYRAMIDELLIDAE) (FOSSIL)
- karasensis, Bartschella karasensis E. Robba, 2013 † - (PYRAMIDELLIDAE) (FOSSIL)
- karasensis, Egilina karasensis E. Robba, 2013 † - (PYRAMIDELLIDAE) (FOSSIL)
- karasensis, Puposyrnola karasensis E. Robba, 2013 † - (PYRAMIDELLIDAE) (FOSSIL)
- karasensis, Turbonilla karasensis E. Robba, 2013 † - (PYRAMIDELLIDAE) (FOSSIL)
- karasuna, Theodoxus karasuna A. Mousson - (NERITIDAE)
- karataucicus, Procolumbites karataucicus Astachova, 1968 † - (COLUMBITIDAE) (FOSSIL)
- karatauense, Corysoceras karatauense P.A. Zhuravleva, 1974 † - syn of: Almaloceras abaeratum P.A. Zhuravleva, 1974 † - (ONCOCERIDA (unassigned)) (FOSSIL)
- karatshatyrensis, Laschmaspira karatshatyrensis (Licharev, 1967 †) - (ORTHONEMIDAE) (FOSSIL)
- karavankensis, Sloeudaronia karavankensis A. Kaim & al., 2006 † - (SKENEIDAE) (FOSSIL)
- karczewski, Setobaudinia karczewski F. Köhler, 2011 - (CAMAENIDAE)
- karczewskii, Donaldiella karczewskii Krawczynski, 2002 † - (LOPHOSPIRIDAE) (FOSSIL)
- Kardailites, Genus Kardailites Ruzhentsev & Bogoslovskaya, 1971 (STENOGLAPHYRITIDAE) (FOSSIL)
- Karelainia, Genus Karelainia G.M. Davis, 1979 (POMATIOPSIDAE)
- kareli, Kerkia kareli Beran, M. Bodon & S. Cianfanelli, 2014 - (HYDROBIIDAE)
- karenae, Ferreiraella xylophaga karenae (B.I. Sirenko, 2001) - (ABYSSOCHITONIDAE)
- karenae, Phyllodesmium karenae R.C. Moore & T.M. Gosliner, 2009 - (FACELINIDAE)
- karenaica, Surcula karenaica Noetling, 1901 † - (CLAVATULIDAE) (FOSSIL)
- karenkoensis, Diplommatina taiwanica karenkoensis J.T. Kuroda, 1941 - (DIPLOMMATINIDAE)
- karenorum, Plectopylis karenorum (W.T. Blanford, 1865) - (PLECTOPYLIDAE)
- karetai, Pleurotomaria karetai Begg & J. Grant-Mackie, 2003 † - (PLEUROTOMARIIDAE) (FOSSIL)
- karevi, Ohrigocea karevi S. Hadžišce, 1959 - (HYDROBIIDAE)
- Karevia, syn of: Genus Ohrigocea S. Hadice, 1956 (HYDROBIIDAE)
- kargalensis, Eothinites kargalensis Ruzhentsev, 1933 † - (METALEGOCERATIDAE) (FOSSIL)
- Kargalites, Genus Kargalites Ruzhencev , 1938 (MARATHONITIDAE) (FOSSIL)
- karica, Onoba karica A.N. Golikov, 1986 - syn of: Onoba aculeus (Gould, 1841) - (RISSOIDAE)
- karici, Melanopsis karici P.S. Pavlovic, 1903 † - (MELANOPSIDAE) (FOSSIL)
- karikalensis, Leptoconus karikalensis Cossmann, 1900 † - (CONIDAE) (FOSSIL)
- karikalensis, Ranella karikalensis A.E.M. Cossmann, 1903 - syn of: Aspa marginata (J.F. Gmelin, 1791) - (RANELLIDAE)
- karikalensis, Solariella karikalensis A.E.M. Cossmann, 1911 † - (SOLARIELLIDAE) (FOSSIL)
- karikalensis, Laevistrombus karikalensis (A.E.M. Cossmann, 1903 †) - (STROMBIDAE) (FOSSIL)
- karinae, Hesperisternia karinae (G.W. Nowell-Usticke, 1959) - (BUCCINIDAE)
- karinae, Pisania karinae G.W. Nowell-Usticke, 1959 - syn of: Hesperisternia karinae (G.W. Nowell-Usticke, 1959) - (BUCCINIDAE)
- karinae, Conus karinae G.W. Nowell-Usticke, 1968 - syn of: Conasprella mindana (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- karinae, Latirus karinae G.W. Nowell-Usticke, 1969 - syn of: Pustulatirus virginensis (R.T. Abbott, 1958) - (FASCIOLARIIDAE)
- karinae, Graecina karinae R. von Cosel, 2006 - (LUCINIDAE)
- karinae, Phrontis karinae (G.W. Nowell-Usticke, 1971) - (NASSARIIDAE)
- kariyana, Ancula kariyana K. Baba, 1990 - (GONIODORIDIDAE)
- karkarensis, Pronoella karkarensis Ronchetti, 1970 † - (ARCTICIDAE) (FOSSIL)
- karkarensis, Cimomia karkarensis F. Haas & Miller, 1952 † - (HERCOGLOSSIDAE) (FOSSIL)
- karki, Joleaudella karki Öpik, 1930 † - (BELLEROPHONTIDAE) (FOSSIL)
- karlae, Coelocaulus karlae Rohr & al., 2003 † - (MURCHISONIIDAE) (FOSSIL)
- karlikensis, Kolihadiscus karlikensis (Horný, 2005 †) - (CYRTOLITIDAE) (FOSSIL)
- karlikensis, Cyrtodiscus karlikensis Horný, 2005 † - syn of: Kolihadiscus karlikensis (Horný, 2005 †) - (SINUITIDAE) (FOSSIL)
- karlini, Alvania karlini A.H. Clarke, 1963 - (RISSOIDAE)
- karlmartini, Nuculana karlmartini N.E. Weisbord, 1964 - (NUCULANIDAE)
- karlschmidti, Conus karlschmidti C.J. Maury, 1917 † - (CONIDAE) (FOSSIL)
- karlschmidti, Astralium karlschmidti C.J. Maury, 1917 † - (TURBINIDAE) (FOSSIL)
- Karlschmidtia, Subgenus Epiphragmophora (Karlschmidtia) F. Haas, 1955 (EPIPHRAGMOPHORIDAE)
- karlsteinensis, Cyclonema karlsteinensis J. Perner, 1903 † - (PLATYCERATIDAE) (FOSSIL)
- karlukovoensis, Alinda biplicata karlukovoensis I. Dedov, 2009 - (CLAUSILIIDAE)
- Karlwaageites, Genus Karlwaageites Cooper, 1994 (AMMONOIDEA (unassigned)) (FOSSIL)
- karnaniense, Deroceras karnaniense A. Wiktor, 1984 - (AGRIOLIMACIDAE)
- karnekampi, Sinoennea karnekampi W.J.M. Maassen, 1999 - (DIAPHERIDAE)
- Karnekampia, Genus Karnekampia H.P. Wagner, 1988 (PECTINIDAE)
- Karoceras, Genus Karoceras Roussanoff, 1909 (KAROCERATIDAE) (FOSSIL)
- KAROCERATIDAE Teichert, 1939 - Family (CEPHALOPODA-NAUTILOIDEA-ONCOCERIDA) (FOSSIL)
- karoensis, Diplommatina karoensis W.J.M. Maassen, 2002 - (DIPLOMMATINIDAE)
- karokorum, Vespericola karokorum R.R. Talmadge, 1962 - syn of: Vespericola karakorum R.R. Talmadge, 1962 - (POLYGYRIDAE)
- karolinae, Melanella karolinae W. Engl, 2006 - (EULIMIDAE)
- Karolus, Subgenus Cecilioides (Karolus) L. de Folin in L. de Folin & R. Perrier, 1870 (FERUSSACIIDAE)
- karooensis, Tihkia karooensis (L.R. Cox, 1932 †) - (SILESUNIONIDAE) (FOSSIL)
- karooensis, Unio karooensis L.R. Cox, 1932 † - syn of: Tihkia karooensis (L.R. Cox, 1932 †) - (UNIONIDAE) (FOSSIL)
- karoroensis, Tritia karoroensis (P.A. Maxwell, 1988 †) - (NASSARIIDAE) (FOSSIL)
- karpa, Aphelodoris karpa N.G. Wilson, 2003 - (DORIDIDAE)
- karpatensis, Mareleptopoma karpatensis R.G. Moolenbeek, 1984 - (PICKWORTHIIDAE)
- karpathoensis, Pusia karpathoensis F. Nordsieck, 1969 - syn of: Mitromorpha karpathoensis (F. Nordsieck, 1969) - (COSTELLARIIDAE)
- karpathoensis, Mitromorpha karpathoensis (F. Nordsieck, 1969) - (MITROMORPHIDAE)
- karpathoensis, Alvania colossophilus karpathoensis F. Nordsieck, 1972 - (RISSOIDAE)
- karpathoensis, Jujubinus karpathoensis F. Nordsieck, 1973 - (TROCHIDAE)
- karpathoensis aegeensis, Jujubinus karpathoensis aegeensis F. Nordsieck, 1982 - (TROCHIDAE)
- karpatoensis, Mitromorpha karpatoensis F. Nordsieck, 1969 - syn of: Mitromorpha karpathoensis (F. Nordsieck, 1969) - (MITROMORPHIDAE)
- karpinskii, Proshumardites karpinskii (Rauser-Chernousova, 1928 †) - (AGATHICERATIDAE) (FOSSIL)
- karpinskii, Clymenia karpinskii E. Perna, 1914 † - syn of: Genuclymenia karpinskii (E. Perna, 1914 †) - (CLYMENIIDAE) (FOSSIL)
- karpinskii, Genuclymenia karpinskii (E. Perna, 1914 †) - (CYMACLYMENIIDAE) (FOSSIL)
- karpinskii, Monitoceras karpinskii Janischewsky, 1900 † - (GASTRIOCERATIDAE) (FOSSIL)
- karpinskii, Nordophiceras karpinskii (Mojsisovics, 1886 †) - (MEEKOCERATIDAE) (FOSSIL)
- karpinskii, Paragastrioceras karpinskii Fredericks, 1915 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- karpinskii, Pseudopronorites karpinskii (Librovitch, 1939 †) - (PRONORITIDAE) (FOSSIL)
- karpinskyana, Medlicottia karpinskyana Krotow, 1885 † - (MEDLICOTTIIDAE) (FOSSIL)
- karpinskyi, Anarcestes karpinskyi Holzapfel, 1895 † - syn of: Cabrieroceras crispiforme (Kayser, 1879 †) - (ANARCESTIDAE) (FOSSIL)
- karpinskyi, Ceratites karpinskyi Smith, 1914 † - syn of: Frechites occidentalis (Smith, 1914 †) - (CERATITIDAE) (FOSSIL)
- karpinskyi, Waagenoceras karpinskyi Miller, 1944 † - (CYCLOLOBIDAE) (FOSSIL)
- karpinskyi, Goniatites karpinskyi Holzapfel, 1895 † - syn of: Cabrieroceras crispiforme (Kayser, 1879 †) - (GONIATITIDAE) (FOSSIL)
- karpinskyi, Nautilus karpinskyi Karakasch, 1907 † - syn of: Palelialia karpinskyi (Karakasch, 1907 †) - (NAUTILIDAE) (FOSSIL)
- karpinskyi, Stacheoceras karpinskyi C. Gemmellaro, 1887 † - (NEOSTACHEOCERATIDAE) (FOSSIL)
- karpinskyi, Neptunoceras karpinskyi Shimansky, 1949 † - (NEPTUNOCERATIDAE) (FOSSIL)
- karpinskyi, Palelialia karpinskyi (Karakasch, 1907 †) - (PSEUDONAUTILIDAE) (FOSSIL)
- karpinskyi, Spyroceras karpinskyi P.A. Zhuravleva, 1962 † - (SPYROCERATIDAE) (FOSSIL)
- karpinskyi, Sturia karpinskyi Mojsisovics, 1902 † - (STURIIDAE) (FOSSIL)
- karpovi, Melanopsis nobilis karpovi Gozhik in Gozhik & Datsenko, 2007 † - (MELANOPSIDAE) (FOSSIL)
- karraculum, Hyptiotheca karraculum Bengtson & al., 1990 † - (HYOLITHIDA (unassigned)) (FOSSIL)
- karreri, Coelostylina karreri E.A.L. Kittl, 1894 † - (COELOSTYLINIDAE) (FOSSIL)
- karreri, Lithoconus karreri Hoernes & Auinger, 1879 † - (CONIDAE) (FOSSIL)
- karreri, Lacuna karreri E.A.L. Kittl, 1892 † - (LITTORINIDAE) (FOSSIL)
- karreri, Lobites karreri Mojsisovics, 1875 † - (LOBITIDAE) (FOSSIL)
- karrooensis, Tihkia karrooensis L.R. Cox, 1932 † - syn of: Tihkia karooensis (L.R. Cox, 1932 †) - (SILESUNIONIDAE) (FOSSIL)
- karsaklense, Umbetoceras karsaklense Ruzhencev & Bogoslovskaya, 1978 † - (HOMOCERATIDAE) (FOSSIL)
- karsteni, Toxoceratoides karsteni (Uhlig, 1883 †) - (ANCYLOCERATIDAE) (FOSSIL)
- karsteni, Architectonica karsteni R.F. Rutsch, 1934 - (ARCHITECTONICIDAE)
- karsteni, Venezoliceras karsteni (Stieler, 1920 †) - (BRANCOCERATIDAE) (FOSSIL)
- karsteni, Cancellaria karsteni Anderson, 1929 † - syn of: Euclia codazzii F.M. Anderson, 1929 † - (CANCELLARIIDAE) (FOSSIL)
- karsteni, Neodeshayesites karsteni (Marcou, 1875 †) - (DESHAYESITIDAE) (FOSSIL)
- karsteni, Melanella karsteni Anderson, 1928 † - (EULIMIDAE) (FOSSIL)
- karsteni, Ancilla karsteni (A.H.E. Beyrich, 1853 †) - (OLIVIDAE) (FOSSIL)
- karsteni, Rissoa karsteni Janssen, 1978 † - (RISSOIDAE) (FOSSIL)
- karsteniana, Neniops karsteniana (W.L.H. Dohrn, 1860) - (CLAUSILIIDAE)
- karsteniana magistra, Neniops karsteniana magistra (G.B. Sowerby, 1892) - (CLAUSILIIDAE)
- Karsteniceras, Genus Karsteniceras Royo , 1945 (LEPTOCERATOIDIDAE) (FOSSIL)
- karstenii, Ceratites karstenii (Klipstein, 1843 †) - (CERATITIDAE) (FOSSIL)
- karstenioides, Toxoceratoides karstenioides Vasicek & Skupien, 2002 † - (ANCYLOCERATIDAE) (FOSSIL)
- karsticus, Potamolithus karsticus L.R.L. Simone & N. Moracchioli, 1994 - (LITHOGLYPHIDAE)
- karubar, Microsveltia karubar A. Verhecken, 1997 - (CANCELLARIIDAE)
- karubar, Gemmuloborsonia karubar A.V. Sysoev & P. Bouchet, 1996 - (CLAVATULIDAE)
- karubar, Muusoctopus karubar (M.D. Norman, F.G. Hochberg & C.C. Lu, 1997) - (ENTEROCTOPODIDAE)
- karubari, Dulcina karubari R. von Cosel & P. Bouchet, 2008 - (LUCINIDAE)
- Karucia, Genus Karucia P. Glφer & V.M. Peic, 2013 (HYDROBIIDAE)
- karui, Ratnadvipia karui Raheem & F. Naggs, 2006. - (ARIOPHANTIDAE)
- karukera, Haplocochlias karukera F. Rubio & E. Rolán, 2015 - (SKENEIDAE)
- karukeraensis, Anachis karukeraensis J. Pelorce & M.J. Faber, 2013 - (COLUMBELLIDAE)
- karukeraensis, Dendrodoris karukeraensis J.A. Ortea, J. Espinosa, G.M. Caballer & Y. Buske, 2012 - (DENDRODORIDIDAE)
- karukeraensis, Splendrillia karukeraensis P.J. Fallon, 2016 - (DRILLIIDAE)
- karukerensis, Pygmaepterys karukerensis B. Garrigues & D. Merle, 2014 - (MURICIDAE)
- Karukerina, Genus Karukerina J.A. Ortea, 2013 (RUNCINIDAE)
- Kasachia, syn of: Genus Kazachia Bazhenova, 1971 (NUCULIDA (unassigned)) (FOSSIL)
- kasachstani, Macrochlamys kasachstani Y. Tzvetkov, 1940 - syn of: Macrochlamys clessini C.A. Westerlund, 1902 - (ARIOPHANTIDAE)
- kasachstanica, Pleuroclymenia kasachstanica Kind, 1944 † - (PLATYCLYMENIIDAE) (FOSSIL)
- kasaiensis, Zonitarion kasaiensis G.A. de Mol, 1970 - (UROCYCLIDAE)
- kasaii, Latitrigonia kasaii K. Maeda, 1963 † - (TRIGONIIDAE) (FOSSIL)
- kasanenkoi, Kolymia kasanenkoi Astaf'yeva & Kusnezov, 1988 † - (KOLYMIIDAE) (FOSSIL)
- kasanensis, Palaeolima kasanensis (Netschajew, 1894 †) - (LIMIDAE) (FOSSIL)
- kasanensis, Loxonema kasanensis Netchaev, 1894 † - syn of: Arribazona kasanensis (Netchaev, 1894 †) - (LOXONEMATIDAE) (FOSSIL)
- kasanensis, Arribazona kasanensis (Netchaev, 1894 †) - (MURCHISONIIDAE) (FOSSIL)
- kasanensis, Polidevcia kasanensis (de Verneuil, 1845 †) - (NUCULANIDAE) (FOSSIL)
- kasanensis, Siphogrammysia kasanensis (H.B. Geinitz, 1880 †) - (SANGUINOLITIDAE) (FOSSIL)
- kasanensis, Janeia kasanensis Netschajew, 1894 † - (SOLEMYIDAE) (FOSSIL)
- kasatka, Littorina kasatka D.G. Reid, N.I. Zaslavskaya & Sergievsky, 1991 - (LITTORINIDAE)
- kaschewarowi, Glycymeris kaschewarowi Grewingk, 1850 - syn of: Glycymeris septentrionalis (A.T. von Middendorff, 1849) - (GLYCYMERIDIDAE)
- kaschirtzevi, Praekolymia kaschirtzevi A.G. Kuznetsov & Biakov, 2014 † - (KOLYMIIDAE) (FOSSIL)
- Kaschkadakia, Genus Kaschkadakia (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- kaschpurica, Viviparus kaschpurica (Pavlov, 1925 †) - (VIVIPARIDAE) (FOSSIL)
- kasei, Neritopsis kasei S. Kiel & K. Bandel, 2004 † - (NERITOPSIDAE) (FOSSIL)
- Kaseiella, Genus Kaseiella Frύda, 1998 (MURCHISONIOIDEA (unassigned)) (FOSSIL)
- Kaseilla, Genus Kaseilla R.G. Moolenbeek & H.J. Hoenselaar, 2010 (PICKWORTHIIDAE)
- kashewarowi, Glycymeris kashewarowi Grewingk, 1848 † - (GLYCYMERIDIDAE) (FOSSIL)
- kashimaensis, Emarginula kashimaensis T. Shikama, 1962 - (FISSURELLIDAE)
- kashimana, Cardiomya kashimana T.A. Okutani & K. Sakurai, 1964 - (CUSPIDARIIDAE)
- kashimanum, Buccinum kashimanum T.A. Okutani, 1964 - (BUCCINIDAE)
- kashirtzevi, Valhallites kashirtzevi Shimanskiy, 1967 † - (TRIGONOCERATIDAE) (FOSSIL)
- kashirzevi, Tumaroceras kashirzevi Andrianov, 1985 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- kashiwajimensis, Globiscala kashiwajimensis M. Azuma, 1962 - syn of: Globiscala bullata (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- kashiwajimensis, Phenacovolva kashiwajimensis C.N. Cate & M. Azuma in C.N. Cate, 1973 - syn of: Phenacovolva rehderi C.N. Cate, 1973 - (OVULIDAE)
- kashmirensis, Digoniostoma kashmirensis (G. Nevill, 1884) - (BITHYNIIDAE)
- kashmirensis, Corbicula kashmirensis W. Theobald, 1876 - syn of: Corbicula cashmiriensis G.P. Deshayes, 1854 - (CYRENIDAE)
- kashmirensis, Lymnaea kashmirensis B. Prashad, 1925 - (LYMNAEIDAE)
- kashmirensis, Sphaerium kashmirensis B. Prashad, 1937 - (SPHAERIIDAE)
- kashmiricus, Subinyoites kashmiricus (Diener, 1913 †) - (INYOITIDAE) (FOSSIL)
- kashmiricus, Praeundulomya kashmiricus (Reed, 1932 †) - (SANGUINOLITIDAE) (FOSSIL)
- Kashmirites, Genus Kashmirites Mathews, 1929 (PRIONITIDAE) (FOSSIL)
- KASHMIRITIDAE Spath, 1934 - Family (CEPHALOPODA-AMMONOIDEA-CERATITIDA) (FOSSIL)
- Kasimlarceltites, Genus Kasimlarceltites Lukeneder & Lukeneder, 2014 (CELTITIDAE) (FOSSIL)
- kasium, Deroceras kasium W. Rähle, 1993 - (AGRIOLIMACIDAE)
- Kaskakia, Genus Kaskakia P. Glφer & V.M. Peic, 2012 (HYDROBIIDAE)
- kasnakowi, Macrochlamys kasnakowi (C.A. Westerlund, 1898) - (ARIOPHANTIDAE)
- kasnakowi, Pseudonapaeus kasnakowi C.A. Westerlund, 1898 - (ENIDAE)
- kasnakowi, Hyalinia kasnakowi C.A. Westerlund, 1898 - syn of: Macrochlamys kasnakowi (C.A. Westerlund, 1898) - (ZONITIDAE)
- Kasperia, Subgenus Limax (Kasperia) H.H. Godwin-Austen, 1914 (LIMACIDAE)
- kaspiewi, Dosinia kaspiewi E. Fischer-Piette, 1967 - (VENERIDAE)
- kassenbergensis, Otostoma kassenbergensis S. Kiel & K. Bandel, 2004 † - (NERITIDAE) (FOSSIL)
- kassiana, Natica kassiana Wissmann, 1841 † - syn of: Hollandites spivaki (McLearn, 1946 †) - (NATICIDAE) (FOSSIL)
- kassitiana, Fusiaphera kassitiana J.M. Pacaud, Ledon & Loubry, 2015 † - (CANCELLARIIDAE) (FOSSIL)
- Kastanoceras, Genus Kastanoceras Kennedy & Cobban, 1990 (ACANTHOCERATIDAE) (FOSSIL)
- kastoriae, Montenegrina kastoriae (H. Nordsieck, 1972) - (CLAUSILIIDAE)
- kastoriae prespaensis, Montenegrina kastoriae prespaensis H. Nordsieck, 1988 - (CLAUSILIIDAE)
- kastoriae sinosi, Montenegrina kastoriae sinosi B. Páll-Gergely, 2010 - (CLAUSILIIDAE)
- kastorias, Bithynia kastorias P. Glöer, C. Albrecht & T. Wilke, 2007 - (BITHYNIIDAE)
- kastoroae, Nipponaphera kastoroae (A. Verhecken, 1997) - (CANCELLARIIDAE)
- kastoroae, Axelella kastoroae A. Verhecken, 1997 - syn of: Nipponaphera kastoroae (A. Verhecken, 1997) - (CANCELLARIIDAE)
- kastoroae, Epitonium kastoroae E.F. Garcia, 2003 - (EPITONIIDAE)
- kastoroae, Lucinoma kastoroae R. von Cosel & P. Bouchet, 2008 - (LUCINIDAE)
- kastoroae, Leptotrophon kastoroae R. Houart, 1997 - (MURICIDAE)
- kastriatae, Metahedenstroemia kastriatae (Arthaber, 1911 †) - (LANCEOLITIDAE) (FOSSIL)
- kasyotonis, Satsuma kasyotonis J.T. Kuroda & T. Kano, 1941 - (CAMAENIDAE)
- kasyotonis, Luchuena eucharista kasyotonis (J.T. Kuroda, 1945) - (ENIDAE)
- Katacanites, Genus Katacanites Kullmann, 1963 (PROLECANITIDA (unassigned)) (FOSSIL)
- Katadesmia, Genus Katadesmia W.H. Dall, 1908 (MALLETIIDAE)
- Katageioceras, Genus Katageioceras Zhuravleva, 1972 (DISCOSORIDA (unassigned)) (FOSSIL)
- Katakosmokeras, Genus Katakosmokeras Buckman, 1925 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- katalexis, Mexichromis katalexis N. Yonow, 2001 - (CHROMODORIDIDAE)
- katana, Nipponoteuthis katana Iba & al., 2014 † - (NIPPONOTEUTHIDAE) (FOSSIL)
- katangana, Lanistes katangana H.A. Pilsbry & J.C. Bequaert, 1927 - syn of: Cleopatra nsendweensis katangana (H.A. Pilsbry & J.C. Bequaert, 1927) - (AMPULLARIIDAE)
- katangana, Cleopatra nsendweensis katangana (H.A. Pilsbry & J.C. Bequaert, 1927) - (PALUDOMIDAE)
- katangense, Pisidium katangense H.A. Pilsbry & J.C. Bequaert, 1927 - syn of: Pisidium kenianum H.B. Preston, 1911 - (SPHAERIIDAE)
- Katastoma, syn of: Subgenus Brachypodella (Brevipedella) H.A. Pilsbry, 1903 (UROCOPTIDAE)
- Katayama, syn of: Genus Oncomelania Gradler, 1881 (POMATIOPSIDAE)
- katchekense, Dentalium katchekense E. Fischer-Piette & M. Nicklés, 1946 - (DENTALIIDAE)
- katchhensis, Myurella katchhensis E.W. Vredenburg, 1925 † - (TEREBRIDAE) (FOSSIL)
- Katelysia, Genus Katelysia A. Rφmer, 1857 (VENERIDAE)
- katerana, Amplirhagada katerana G.A. Solem, 1981 - (CAMAENIDAE)
- katerinae, Turanena katerinae E. Gittenberger, 1996 - (ENIDAE)
- kateruensis, Anomia kateruensis Hislop, 1859 † - (ANOMIIDAE) (FOSSIL)
- katerythros, Hypselodoris katerythros N. Yonow, 2001 - syn of: Hypselodoris katherythros N. Yonow, 2001 - (CHROMODORIDIDAE)
- katha, Purpuradusta katha T. Iredale, 1939 - syn of: Purpuradusta microdon (J.E. Gray, 1828) - (CYPRAEIDAE)
- Kathadena, syn of: Genus Rhynchotrochus O.F. von Mφllendorff, 1895 (CAMAENIDAE)
- kathae, Thuridilla kathae T.M. Gosliner, 1995 - (PLAKOBRANCHIDAE)
- Katharina, Genus Katharina J.E. Gray, 1847 (MOPALIIDAE)
- katharinae, Unipeltoceras katharinae Jeannet, 1951 † - (ASPIDOCERATIDAE) (FOSSIL)
- katherina, Benthastelena katherina T. Iredale, 1936 - (CALLIOSTOMATIDAE)
- katherinae, Hexaplex katherinae E.H. Vokes, 1968 † - (MURICIDAE) (FOSSIL)
- katherinae, Cingula katherinae P. Bartsch, 1911 - syn of: Boreocingula martyni (W.H. Dall, 1886) - (RISSOIDAE)
- katherinae, Bankia katherinae W.J. Clench & H. Turner, 1946 - syn of: Bankia campanellata C.E. von Moll & G.F. Roch, 1931 - (TEREDINIDAE)
- katherinae, Bassina katherinae J. Marwick, 1948 - (VENERIDAE)
- Katherinella, Subgenus Pitar (Katherinella) Tegland, 1929 (VENERIDAE) (FOSSIL)
- katherinepalmerae, Lucina katherinepalmerae N.E. Weisbord, 1964 - (LUCINIDAE)
- katherythros, Hypselodoris katherythros N. Yonow, 2001 - (CHROMODORIDIDAE)
- kathiae, Bostryx kathiae A.S.H. Breure, 1978 - (BULIMULIDAE)
- kathieae, Bathoxiphus kathieae V. Scarabino & F. Scarabino, 2010 - (ENTALINIDAE)
- kathiewayae, Costellaria kathiewayae R. Salisbury, M. Herrmann & A.M. Dekkers, 2012 - (COSTELLARIIDAE)
- kathiewayae, Pseudocyphoma kathiewayae C.N. Cate, 1973 - syn of: Cyphoma intermedium (G.B. I Sowerby, 1828) - (OVULIDAE)
- kathiewayae, Turbonilla kathiewayae A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- kathiewayae, Turris kathiewayae R.N. Kilburn, A.E. Fedosov & B.M. Olivera, 2012 - (TURRIDAE)
- kathiewayae, Pitar kathiewayae K.L. Lamprell & R.N. Kilburn, 1999 - (VENERIDAE)
- kathiewayana, Colubraria kathiewayana E.J. Fittkau & M. Parth, 1993 - (COLUBRARIIDAE)
- kathleenae, Trizonoceras kathleenae Moore, 1936 † - (DIMORPHOCERATIDAE) (FOSSIL)
- kathleenae, Epistroboceras kathleenae Ramsbottom & Moore † - (TRIGONOCERATIDAE) (FOSSIL)
- kathmandica, Cylindrophaedusa kathmandica H. Nordsieck, 1973 - (CLAUSILIIDAE)
- Kathocardia, syn of: Genus Trachycardium O.A.L. Mφrch, 1853 (CARDIIDAE)
- kathrinae, Pseudobithynia kathrinae P. Glöer & U. Bössneck, 2007 - (BITHYNIIDAE)
- kathrini, Pseudobithynia kathrini P. Glöer & U. Bössneck, 2007 - syn of: Pseudobithynia kathrinae P. Glöer & U. Bössneck, 2007 - (BITHYNIIDAE)
- kathwayae, Dentalium kathwayae K.L. Lamprell & J.M. Healy, 1998 - (DENTALIIDAE)
- kathyae, Fenimorea kathyae D.L. Tippett, 1995 - (DRILLIIDAE)
- katiae, Drillia katiae F. Nolf, 2006 - (DRILLIIDAE)
- katiawarensis, Pelecyora katiawarensis (E. Fischer-Piette & B. Métivier, 1971) - (VENERIDAE)
- katieae, Cyrtodaria katieae Marincovich Jr., 1993 † - (HIATELLIDAE) (FOSSIL)
- katieae, Towaipecten katieae A.G. Beu, 1995 † - (PECTINIDAE) (FOSSIL)
- katipoides, Runcina katipoides (M.C. Miller & W.B. Rudman, 1968) - (RUNCINIDAE)
- katjawarana, Basedowena katjawarana G.A. Solem, 1993 - (CAMAENIDAE)
- katlabuhensis, Caspia katlabuhensis Roshka, 1973 † - (HYDROBIIDAE) (FOSSIL)
- katoi, Loxobucania katoi (T. Kobayashi, 1930 †) - (BUCANIIDAE) (FOSSIL)
- katoi, Calliostoma katoi (K. Sakurai, 1994) - (CALLIOSTOMATIDAE)
- katoi, Glossodoris katoi K. Baba, 1938 - (CHROMODORIDIDAE)
- katoi, Hirasea katoi T. Habe, 1973 - (ENDODONTIDAE)
- katoi, Onoceras katoi T. Kobayashi † - (ONCOCERATIDAE) (FOSSIL)
- katoi, Hemiprionites katoi (Yehara, 1927 †) - (PRIONITIDAE) (FOSSIL)
- katoi, Scalites katoi T. Kobayashi, 1934 † - (RAPHISTOMATIDAE) (FOSSIL)
- katoi, Tibia katoi H. Noda & H. Watanabe, 1996 † - (ROSTELLARIIDAE) (FOSSIL)
- katoi, Lonoa katoi T. Habe, 1976 - (SEMELIDAE)
- katoi, Microgaza katoi (J.T. Kuroda & T. Habe, 1961) - (SOLARIELLIDAE)
- Katoptychia, Genus Katoptychia Perner, 1907 (LOXONEMATIDAE) (FOSSIL)
- katorii, Japonia katorii H. Minato, 1985 - (CYCLOPHORIDAE)
- Katosira, Genus Katosira Koken, 1892 (SETTSASSIIDAE) (FOSSIL)
- Katostoma, syn of: Genus Leptaxis R.T. Lowe, 1852 (HYGROMIIDAE)
- katowense, Paradentalium katowense (J.W. Brazier, 1877) - (DENTALIIDAE)
- katrinae, Hemiaclis katrinae W. Engl, 2006 - (EULIMIDAE)
- katrolensis, Indotrigonia katrolensis Agrawal, 1956 † - (TRIGONIIDAE) (FOSSIL)
- Katroliceras, Genus Katroliceras Spath (ATAXIOCERATIDAE) (FOSSIL)
- Katrolites, Genus Katrolites (AMMONOIDEA (unassigned)) (FOSSIL)
- katsharavai, Imerites katsharavai Rouchadze, 1933 † - syn of: Paraimerites katsharavai (Rouchadze, 1933 †) - (HEMIHOPLITIDAE) (FOSSIL)
- katsharavai, Imerites katsharavai Rouchadzé, 1933 † - syn of: Calanquites katsharavai (Rouchadzé, 1933 †) - (HEMIHOPLITIDAE) (FOSSIL)
- katsharavai, Paraimerites katsharavai (Rouchadze, 1933 †) - (HETEROCERATIDAE) (FOSSIL)
- katsharavai, Calanquites katsharavai (Rouchadzé, 1933 †) - (HETEROCERATIDAE) (FOSSIL)
- katsuae, Palmulacypraea katsuae (J.T. Kuroda, 1960) - (CYPRAEIDAE)
- katsuae, Notadusta katsuae J.T. Kuroda, 1960 - syn of: Palmulacypraea katsuae (J.T. Kuroda, 1960) - (CYPRAEIDAE)
- katsuae, Erronea katsuae J.T. Kuroda, 1960 - syn of: Palmulacypraea katsuae (J.T. Kuroda, 1960) - (CYPRAEIDAE)
- katsuae, Cypraea katsuae J.T. Kuroda, 1960 - syn of: Palmulacypraea katsuae (J.T. Kuroda, 1960) - (CYPRAEIDAE)
- katsuae, Vesicomya katsuae J.T. Kuroda, 1952 - (VESICOMYIDAE)
- katsuae guidoi, Palmulacypraea katsuae guidoi (F.Jr. Lorenz, 2002) - (CYPRAEIDAE)
- katsuae guidoi, Notadusta katsuae guidoi F.Jr. Lorenz, 2002 - syn of: Palmulacypraea katsuae guidoi (F.Jr. Lorenz, 2002) - (CYPRAEIDAE)
- katsunakamai, Calliostoma katsunakamai S. Kosuge, 1998 - (CALLIOSTOMATIDAE)
- katsurenensis, Coniglobus mercatorius katsurenensis T. Habe & M. Chinen, 1985 - (CAMAENIDAE)
- katsurensis, Actinodontophora katsurensis M. Ichikawa, 1951 † - (ACTINODONTOPHORIDAE) (FOSSIL)
- katsurensis, Costatoria katsurensis Nakazawa, 1967 † - (MYOPHORIIDAE) (FOSSIL)
- kattaensis, Bucania kattaensis L. Waagen, 1880 † - syn of: Retispira kattaensis (L. Waagen, 1880 †) - (BUCANIIDAE) (FOSSIL)
- kattaensis, Retispira kattaensis (L. Waagen, 1880 †) - (KNIGHTITIDAE) (FOSSIL)
- kattaensis, Phymatopleura kattaensis (L. Waagen, 1880 †) - (PHYMATOPLEURIDAE) (FOSSIL)
- kattaensis, Pleurotomaria kattaensis L. Waagen, 1880 † - syn of: Phymatopleura kattaensis (L. Waagen, 1880 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- kattingeri, Campylaea trizona kattingeri (H. Knipper, 1939) - (HELICIDAE)
- Katunioides, Genus Katunioides Aksarina, 1978 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- katurana, Coliracemata katurana W.F. Ponder, H. Fukuda & A. Hallan, 2014 - (CLENCHIELLIDAE)
- katurici, Gyraulus katurici (. Brusina, 1897) - (PLANORBIDAE)
- katwahiensis, Aviculopecten katwahiensis L. Waagen, 1881 † - (AVICULOPECTINIDAE) (FOSSIL)
- katyae, Chrystella katyae E. Rolán, J. Espinosa & R. Fernández-Garcés, 1991 - (PICKWORTHIIDAE)
- katzeri, Arthaberites katzeri Turina, 1912 † - (CERATITIDA (unassigned)) (FOSSIL)
- katzeri, Clivunella katzeri (Gorjanovic-Kramberger, 1909 †) - (CLAVATULIDAE) (FOSSIL)
- katzeri, Illyricocongeria katzeri (Kochansky-Devidé, 1978 †) - (DREISSENIDAE) (FOSSIL)
- katzeri, Melanopsis katzeri . Brusina, 1904 † - (MELANOPSIDAE) (FOSSIL)
- katzeri, Unio katzeri . Brusina, 1904 † - (UNIONIDAE) (FOSSIL)
- katzeri bicostatus, Unio katzeri bicostatus agar-Sakaè, 1986 † - syn of: Unio katzeri . Brusina, 1904 † - (UNIONIDAE) (FOSSIL)
- katzeri tricostatus, Unio katzeri tricostatus agar-Sakaè, 1986 † - syn of: Unio katzeri . Brusina, 1904 † - (UNIONIDAE) (FOSSIL)
- Katzeria, Genus Katzeria Sliskovic, 1966 (RADIOLITIDAE) (FOSSIL)
- katzi, Acanthina katzi Fleming, 1972 † - (MURICIDAE) (FOSSIL)
- Kauaia, Genus Kauaia E.R. Sykes, 1900 (AMASTRIDAE)
- Kauaia, Genus Kauaia Waterhouse, 1963 (AMASTRIDAE) (FOSSIL)
- kauaia, Arca kauaia (W.H. Dall, P. Bartsch & H.A. Rehder, 1938) - (ARCIDAE)
- kauaia, Tucetona kauaia (W.H. Dall, P. Bartsch & H.A. Rehder, 1938) - (GLYCYMERIDIDAE)
- kauaia, Ostrea kauaia W.H. Dall, P. Bartsch & H.A. Rehder, 1938 - syn of: Neopycnodonte cochlear (G.S. Poli, 1795) - (OSTREIDAE)
- kauaiensis, Achatinella kauaiensis W. Newcomb - syn of: Kauaia kauaiensis (W. Newcomb, 1860) - (ACHATINELLIDAE)
- kauaiensis, Kauaia kauaiensis (W. Newcomb, 1860) - (AMASTRIDAE)
- kauaiensis, Xenophorarca kauaiensis (W.H. Dall, P. Bartsch & H.A. Rehder, 1938) - (ARCIDAE)
- kauaiensis, Erosaria poraria kauaiensis J.C. Melvill, 1888 - (CYPRAEIDAE)
- kauaiensis, Philonesia kauaiensis H.B. Baker, 1940 - (EUCONULIDAE)
- kauaiensis, Pleuropoma kauaiensis H.A. Pilsbry & C.M. Cooke, 1908 - (HELICINIDAE)
- kauaiensis, Georissa kauaiensis H.A. Pilsbry, 1928 - (HYDROCENIDAE)
- kauaiensis, Mimachlamys kauaiensis (W.H. Dall, P. Bartsch & H.A. Rehder, 1938) - (PECTINIDAE)
- kauaiensis, Turbonilla kauaiensis H.A. Pilsbry & C.M. Cooke, 1917 - syn of: Turbonilla lirata (A. Adams, 1855) - (PYRAMIDELLIDAE)
- kauaiensis, Spondylus kauaiensis W.H. Dall, P. Bartsch & H.A. Rehder, 1938 - syn of: Spondylus mimus A.A. Olsson, 1931 - (SPONDYLIDAE)
- kauaiensis, Lyrodus kauaiensis (W.H. Dall, P. Bartsch & H.A. Rehder, 1938) - (TEREDINIDAE)
- kauaiensis, Melania kauaiensis W.H. Pease, 1870 - (THIARIDAE)
- kauaiensis, Nesopupa kauaiensis C.M.F. Ancey, 1904 - (VERTIGINIDAE)
- kauaiensis orientalis, Pleuropoma kauaiensis orientalis M.C. Neal, 1934 - (HELICINIDAE)
- kauaium, Parvamussium kauaium (W.H. Dall, P. Bartsch & H.A. Rehder, 1938) - (PROPEAMUSSIIDAE)
- kauensis, Amastra melanosis kauensis H.A. Pilsbry & C.M. Cooke, 1915 - (AMASTRIDAE)
- kaufeli, Cochlodina laminata kaufeli E. Gittenberger - (CLAUSILIIDAE)
- Kauffmanella, Genus Kauffmanella M.R. Cooper, 2015 (PTEROTRIGONIIDAE) (FOSSIL)
- kauffmani, Pedioceras kauffmani H.A. Leanza, 1967 † - (ANCYLOCERATIDAE) (FOSSIL)
- kauffmani, Buchotrigonia kauffmani Villamil, 1992 † - (BUCHOTRIGONIIDAE) (FOSSIL)
- kauffmani, Marvacrassatella kauffmani Ward & B.W. Blackwelder, 1987 † - (CRASSATELLIDAE) (FOSSIL)
- kauffmani, Naticonema kauffmani Peel, 1975 † - (PLATYCERATIDAE) (FOSSIL)
- kauffmani, Rutitrigonia kauffmani H.A. Leanza, 1993 † - (RUTITRIGONIIDAE) (FOSSIL)
- kauffmani, Tellinimera kauffmani Marincovich Jr., 1993 † - (TELLINIDAE) (FOSSIL)
- kaufmanensis, Cucullaea kaufmanensis Gardner, 1935 † - (CUCULLAEIDAE) (FOSSIL)
- kaufmanni, Rotopericyclus kaufmanni D. Korn & al., 2010 † - (ROTOPERICYCLIDAE) (FOSSIL)
- kaufmanni, Irdanites kaufmanni Klug, 2001 † - (TEICHERTICERATIDAE) (FOSSIL)
- kaufmanni, Armatites kaufmanni W. Korn, 2014 † - (TORNOCERATIDAE) (FOSSIL)
- kauiensis, Lyrodus kauiensis W.H. Dall, P. Bartsch & H.A. Rehder, 1938 - syn of: Lyrodus pedicellatus (J.L.A. Quatrefages, 1849) - (TEREDINIDAE)
- kauilani, Erosaria kauilani A. Kenyon, 1900 - syn of: Erosaria erosa (C. Linnaeus, 1758) - (CYPRAEIDAE)
- kaukensis, Omphalocirrus kaukensis Gubanov & al., 1995 † - (OMPHALOCIRRIDAE) (FOSSIL)
- kaulensis, Devonorhineoderma kaulensis Heidelberger, 2003 † - (GOSSELETINIDAE) (FOSSIL)
- kaunakakai, Euconulus subtilissimus kaunakakai H.B. Baker, 1941 - (EUCONULIDAE)
- kaunakakaiensis, Amastra kaunakakaiensis H.A. Pilsbry & C.M. Cooke, 1914 - (AMASTRIDAE)
- Kaunhowenia, Genus Kaunhowenia Abdel Gawad, 1986 (APORRHAIDAE) (FOSSIL)
- kaupakaluana, Partulina nivea kaupakaluana H.A. Pilsbry & C.M. Cooke, 1912 - (ACHATINELLIDAE)
- kaupakaluana, Amastra affinis kaupakaluana A. Hyatt & H.A. Pilsbry, 1911 - (AMASTRIDAE)
- kaupi, Cymbiola kaupi R.W. Dunker, 1863 - syn of: Cymbiola cymbiola (J.F. Gmelin, 1791) - (VOLUTIDAE)
- kaupii, Palaeozygopleura kaupii (G.A. Goldfuss, 1844 †) - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- kaurna, Octopus kaurna T.N. Stranks, 1990 - (OCTOPODIDAE)
- Kaurnella, Genus Kaurnella Ludbrook, 1941 (ARCHAEOGASTROPODA (unassigned)) (FOSSIL)
- kava, Tambja kava M. Pola, V. Padula, T.M. Gosliner & J.L. Cervera, 2014 - (POLYCERIDAE)
- kavalerovae, Yakutionautilus kavalerovae Arkhipov & I.S. Barskov, 1970 † - (TRIGONOCERATIDAE) (FOSSIL)
- kavasensis, Rhacophyllites kavasensis (Kovacs, 1942 †) - (DISCOPHYLLITIDAE) (FOSSIL)
- kavasensis, Paradasyceras kavasensis Kovacs, 1942 † - syn of: Rhacophyllites kavasensis (Kovacs, 1942 †) - (JURAPHYLLITIDAE) (FOSSIL)
- kavera, Minidonta kavera F.J. Brook, 2010 - (ENDODONTIDAE)
- kaviengensis, Ancilla kaviengensis Y.I. Kantor, A.E. Fedosov, N. Puillandre & P. Bouchet, 2016 - (OLIVIDAE)
- kavirondica, Ferrissia kavirondica G. Mandahl-Barth, 1954 - (PLANORBIDAE)
- kavoricus, Hybochelus kavoricus H.S. Ladd, 1945 † - (CHILODONTIDAE) (FOSSIL)
- kavranensis, Chlamys kavranensis V.N. Sinelnikova, 1975 † - (PECTINIDAE) (FOSSIL)
- kavusani, Valvata kavusani H. Schütt in H. Schütt & Kavusan, 1984 † - (VALVATIDAE) (FOSSIL)
- kawabei, Thala kawabei M. Herrmann & M. Chino, 2015 - (COSTELLARIIDAE)
- kawaensis, Siphonalia kawaensis J.A. Bartrum 1919 - (BUCCINIDAE)
- kawaensis, Tugali kawaensis J.A. Bartrum 1919 - (FISSURELLIDAE)
- kawaguchi, Vitrinula kawaguchi T. Habe, 1961 - (ARIOPHANTIDAE)
- kawaiensis, Pseudohyalina kawaiensis (L. Pfeiffer, 1854) - (GASTRODONTIDAE)
- kawaiensis, Helix kawaiensis L. Pfeiffer, 1854 - syn of: Pseudohyalina kawaiensis (L. Pfeiffer, 1854) - (HELICIDAE)
- kawaiensis, Helix kawaiensis L.A. Reeve, 1854 - syn of: Hawaiia minuscula (A. Binney, 1841) - (HELICIDAE)
- kawaihapaiensis, Amastra antiqua kawaihapaiensis H.A. Pilsbry & C.M. Cooke, 1914 - (AMASTRIDAE)
- kawaiiki, Achatinella apexfulva kawaiiki D.A. Welch, 1942 - (ACHATINELLIDAE)
- kawaluensis, Sulcospira kawaluensis Marwoto & Isnaningsih, 2012 - (PACHYCHILIDAE)
- kawamotoae, Costellaria kawamotoae R. Salisbury, 2011 - (COSTELLARIIDAE)
- kawamotoi, Hemiphaedusa kawamotoi J.T. Kuroda & Is. Taki, 1944 - (CLAUSILIIDAE)
- kawamurai, Maxacteon kawamurai (T. Habe, 1952) - (ACTEONIDAE)
- kawamurai, Punctacteon kawamurai (T. Habe, 1952) - syn of: Maxacteon kawamurai (T. Habe, 1952) - (ACTEONIDAE)
- kawamurai, Aegista hatakedai kawamurai J.T. Kuroda & T. Habe, 1951 - (BRADYBAENIDAE)
- kawamurai, Buccinum kawamurai T. Habe & K. Itô, 1965 - (BUCCINIDAE)
- kawamurai, Ancistrolepis kawamurai T. Habe & K. Itô, 1972 - (BUCCINIDAE)
- kawamurai, Hamineobulla kawamurai T. Habe, 1950 - (BULLIDAE)
- kawamurai, Capulus kawamurai T. Habe, 1992 - syn of: Capulus danieli (J.C.H. Crosse, 1858) - (CAPULIDAE)
- kawamurai, Mundophaedusa kawamurai KItô & T. Habe, 1982 - (CLAUSILIIDAE)
- kawamurai, Leptoconus kawamurai T. Habe, 1962 - (CONIDAE)
- kawamurai, Cuspidaria kawamurai J.T. Kuroda, 1948 - syn of: Cuspidaria gigantea B. Prashad, 1932 - (CUSPIDARIIDAE)
- kawamurai, Cylichnella kawamurai T. Habe, 1958 - (CYLICHNIDAE)
- kawamurai, Fissidentalium kawamurai J.T. Kuroda & T. Habe in T. Habe, 1961 - (DENTALIIDAE)
- kawamurai, Amaea kawamurai M. Azuma, 1960 - syn of: Amaea splendida (M.E.A. de Boury, 1913) - (EPITONIIDAE)
- kawamurai, Epitonium kawamurai M. Azuma, 1960 - syn of: Amaea splendida (M.E.A. de Boury, 1913) - (EPITONIIDAE)
- kawamurai, Melanella kawamurai (J.T. Kuroda & T. Habe, 1950) - (EULIMIDAE)
- kawamurai, Stilifer kawamurai (T. Habe, 1976) - (EULIMIDAE)
- kawamurai, Eulima kawamurai T. Habe, 1961 - (EULIMIDAE)
- kawamurai, Puncturella kawamurai T. Habe, 1961 - (FISSURELLIDAE)
- kawamurai, Harpa major kawamurai T. Habe, 1973 - (HARPIDAE)
- kawamurai, Limaria kawamurai H. Masahito & T. Habe, 1972 - (LIMIDAE)
- kawamurai, Lyonsia kawamurai T. Habe, 1952 - (LYONSIIDAE)
- kawamurai, Dentimargo kawamurai (T. Habe, 1951) - (MARGINELLIDAE)
- kawamurai, Hemifusus kawamurai T. Kira, 1965 - (MELONGENIDAE)
- kawamurai, Ventomnestia kawamurai T. Habe, 1950 - syn of: Ventomnestia girardi (J.V. Audouin, 1826) - (MNESTIIDAE)
- kawamurai, Babelomurex kawamurai (T. Kira, 1959) - (MURICIDAE)
- kawamurai, Hirtomurex kawamurai (T. Shikama, 1978) - (MURICIDAE)
- kawamurai, Murex kawamurai T. Shikama, 1964 - syn of: Chicoreus axicornis (J.B.P.A. Lamarck, 1822) - (MURICIDAE)
- kawamurai, Chicoreus axicornis kawamurai T. Shikama, 1964 - (MURICIDAE)
- kawamurai, Natica kawamurai K. Sakurai, 1983 - (NATICIDAE)
- kawamurai, Nuculana pernula kawamurai T. Habe, 1961 - (NUCULANIDAE)
- kawamurai, Philine kawamurai (T. Habe, 1958) - (PHILINIDAE)
- kawamurai, Inquisitor kawamurai (T. Habe & S. Kosuge, 1966) - (PSEUDOMELATOMIDAE)
- kawamurai, Antiplanes kawamurai T. Habe, 1958 - syn of: Antiplanes obesus H. Ozaki, 1958 - (PSEUDOMELATOMIDAE)
- kawamurai, Rectiplanes kawamurai T. Habe, 1958 - syn of: Antiplanes obesus H. Ozaki, 1958 - (PSEUDOMELATOMIDAE)
- kawamurai, Thatcheriasyrinx orientis kawamurai (J.T. Kuroda, 1959) - (RAPHITOMIDAE)
- kawamurai, Semisulcospira kawamurai J.T. Kuroda, 1929 - (SEMISULCOSPIRIDAE)
- kawamurai, Pisidium kawamurai A. Mori, 1938 - (SPHAERIIDAE)
- kawamurai, Thyasira kawamurai T. Habe, 1951 - (THYASIRIDAE)
- kawamurai, Notosinister kawamurai S. Kosuge, 1962 - syn of: Costatophora iniqua (F.P. Jousseaume, 1898) - (TRIPHORIDAE)
- kawamurai, Akebiconcha kawamurai J.T. Kuroda, 1943 - (VESICOMYIDAE)
- kawamurai, Amoria kawamurai T. Habe, 1975 - syn of: Amoria grayi kawamurai T. Habe, 1975 - (VOLUTIDAE)
- kawamurai, Lyria kawamurai T. Habe, 1975 † - syn of: Plicolyria planicostata (G.B. III Sowerby, 1903 †) - (VOLUTIDAE) (FOSSIL)
- kawamurai, Amoria grayi kawamurai T. Habe, 1975 - (VOLUTIDAE)
- kawamurai, Volvatella kawamurai T. Habe, 1946 - (VOLVATELLIDAE)
- kawamurai helenae, Babelomurex kawamurai helenae M. Azuma, 1973 - syn of: Babelomurex helenae (M. Azuma, 1973) - (MURICIDAE)
- kawamurai helenae, Latiaxis kawamurai helenae M. Azuma, 1973 - syn of: Babelomurex helenae (M. Azuma, 1973) - (MURICIDAE)
- kawamurai hukuiense, Pisidium kawamurai hukuiense A. Mori, 1938 - syn of: Pisidium kawamurai A. Mori, 1938 - (SPHAERIIDAE)
- kawamurai sentix, Babelomurex kawamurai sentix F.M. Bayer, 1971 - syn of: Babelomurex sentix (F.M. Bayer, 1971) - (MURICIDAE)
- kawanai, Nipponochloritis kawanai E. Sorita, 1980 - (CAMAENIDAE)
- Kawanamia, Genus Kawanamia Kase, 1988 (LOPHOSPIRIDAE) (FOSSIL)
- kawanensis, Saganoa kawanensis O. Masuda & T. Habe, 1984 - (HYDROBIIDAE)
- kawanishi, Conus kawanishi T. Shikama, 1970 - syn of: Hermes nussatella (C. Linnaeus, 1758) - (CONIDAE)
- kawanishii, Babelomurex kawanishii (S. Kosuge, 1979) - (MURICIDAE)
- kawanishii, Latiaxis kawanishii S. Kosuge, 1979 - syn of: Babelomurex kawanishii (S. Kosuge, 1979) - (MURICIDAE)
- Kawasakiceras, syn of: Genus Sactorthoceras Kobayashi, 1934 (SACTORTHOCERATIDAE) (FOSSIL)
- kawasakii, Megalophaedusa kawasakii (J.T. Kuroda, 1936) - (CLAUSILIIDAE)
- kawasakii, Liospira kawasakii T. Kobayashi, 1930 † - syn of: Ceratopea kawasakii (T. Kobayashi, 1930 †) - (EOTOMARIIDAE) (FOSSIL)
- kawasakii, Orthoceras kawasakii T. Kobayashi, 1928 † - (ORTHOCERATIDAE) (FOSSIL)
- kawasakii, Ceratopea kawasakii (T. Kobayashi, 1930 †) - (RAPHISTOMATIDAE) (FOSSIL)
- kawauchidensis, Crassostrea kawauchidensis Tamura, 1977 † - (OSTREIDAE) (FOSSIL)
- kawauensis, Cookia kawauensis Powell, 1938 † - (TURBINIDAE) (FOSSIL)
- Kaweka, Genus Kaweka Marwick, 1931 (TEREBRIDAE) (FOSSIL)
- kawhiae, Holcophylloceras kawhiae (Marshall, 1909 †) - (PHYLLOCERATIDAE) (FOSSIL)
- kawhiana, Vaugonia kawhiana (C.T. Trechmann, 1923 †) - (MYOPHORELLIDAE) (FOSSIL)
- kawhiana, Pinna kawhiana J. Marwick, 1953 † - (PINNIDAE) (FOSSIL)
- kawhiana, Trigonia kawhiana C.T. Trechmann, 1923 † - syn of: Vaugonia kawhiana (C.T. Trechmann, 1923 †) - (TRIGONIIDAE) (FOSSIL)
- kayae, Casmaria kayae J.A. Buijse, H. Dekker & G. Verbinnen, 2013 - (CASSIDAE)
- kayae, Hypselodoris kayae A.T. Young, 1967 - (CHROMODORIDIDAE)
- kayae, Neocancilla kayae W.O. Cernohorsky, 1978 - (MITRIDAE)
- kayae, Trophonopsis kayae T. Habe, 1981 - (MURICIDAE)
- kayae, Sinezona kayae D.L. Geiger & J.H. McLean, 2010 - (SCISSURELLIDAE)
- kayai, Chlupacites kayai (Kullmann, 1973 †) - (LATANARCESTIDAE) (FOSSIL)
- kayalensis, Barbatia kayalensis A. Dey, 1961 † - (ARCIDAE) (FOSSIL)
- kayalensis, Turricula kayalensis A. Dey, 1961 † - (CLAVATULIDAE) (FOSSIL)
- kayalensis, Volvarina kayalensis A. Dey, 1961 † - (MARGINELLIDAE) (FOSSIL)
- kayalensis, Comitas kayalensis A. Dey, 1962 - (PSEUDOMELATOMIDAE)
- kayalensis, Turritella kayalensis A. Dey, 1961 † - (TURRITELLIDAE) (FOSSIL)
- kayberensis, Subzebrinus kayberensis (C.M.F. Ancey, 1893) - (ENIDAE)
- kayeanum, Cymatoceras kayeanum (Blanford, 1861 †) - (CYMATOCERATIDAE) (FOSSIL)
- kayei, Ammonites kayei E. Forbes, 1846 † - syn of: Gaudryceras kayei (E. Forbes, 1846 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- kayei, Vertebrites kayei E. Forbes, 1846 † - syn of: Gaudryceras kayei (E. Forbes, 1846 †) - (AMMONOIDEA (unassigned)) (FOSSIL)
- kayei, Cypraea kayei E. Forbes, 1846 † - (CYPRAEIDAE) (FOSSIL)
- kayei, Gaudryceras kayei (E. Forbes, 1846 †) - (GAUDRYCERATIDAE) (FOSSIL)
- kayi, Bassleroceras kayi Ulrich & al., 1944 † - (BASSLEROCERATIDAE) (FOSSIL)
- kayi, Barroisiceras kayi Benavides-Caceres, 1956 † - (COLLIGNONICERATIDAE) (FOSSIL)
- kayi, Metalegoceras kayi Glenister & al., 1973 † - (METALEGOCERATIDAE) (FOSSIL)
- kayiani, Plectostoma kayiani T.S. Liew, J.J. Vermeulen & alias, 2014 - (DIPLOMMATINIDAE)
- kaykayae, Vitrinella kaykayae E. Rolán & J. Sellanes, 2004 - (TORNIDAE)
- Kayoceras, Genus Kayoceras Foerste, 1934 (LOWOCERATIDAE) (FOSSIL)
- kayseri, Fidelites kayseri (Wedekind, 1918 †) - (AGONIATITIDAE) (FOSSIL)
- kayseri, Mesobeloceras kayseri (Holzapfel, 1882 †) - (BELOCERATIDAE) (FOSSIL)
- kayseri, Clymenia kayseri Drevermann, 1901 † - syn of: Kirsoceras kayseri (Drevermann, 1901 †) - (CLYMENIIDAE) (FOSSIL)
- kayseri, Cyrtodonta kayseri Frech, 1891 † - (CYRTODONTIDAE) (FOSSIL)
- kayseri, Naticopsis kayseri Holzapfel, 1895 † - (DELPHINULOPSIDAE) (FOSSIL)
- kayseri, Eotomaria kayseri A.H. Clarke & Ruedemann, 1903 † - syn of: Pleurorima kayseri (A.H. Clarke & Ruedemann, 1903 †) - (EOTOMARIIDAE) (FOSSIL)
- kayseri, Gephyroceras kayseri Wedekind, 1918 † - syn of: Ponticeras kayseri (Wedekind, 1918 †) - (GEPHUROCERATIDAE) (FOSSIL)
- kayseri, Goniatites kayseri Holzapfel, 1882 † - syn of: Mesobeloceras kayseri (Holzapfel, 1882 †) - (GONIATITIDAE) (FOSSIL)
- kayseri, Lahnospira kayseri (Ulrich, 1892 †) - (GOSSELETINIDAE) (FOSSIL)
- kayseri, Euryzone kayseri (E.F.R.K. Koken, 1889 †) - (GOSSELETINIDAE) (FOSSIL)
- kayseri, Pleurorima kayseri (A.H. Clarke & Ruedemann, 1903 †) - (GOSSELETINIDAE) (FOSSIL)
- kayseri, Kirsoceras kayseri (Drevermann, 1901 †) - (KIRSOCERATIDAE) (FOSSIL)
- kayseri, Loxonema kayseri Holzapfel, 1895 † - (LOXONEMATIDAE) (FOSSIL)
- kayseri, Palaeoneilo kayseri Beushausen, 1895 † - (MALLETIIDAE) (FOSSIL)
- kayseri, Palorthoceras kayseri Kröger & al., 2007 † - (ORTHOCERATIDAE) (FOSSIL)
- kayseri, Pharciceras kayseri Wedekind, 1918 † - (PHARCICERATIDAE) (FOSSIL)
- kayseri, Pleurotomaria kayseri Ulrich, 1892 † - syn of: Lahnospira kayseri (Ulrich, 1892 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- kayseri, Pleurotomaria kayseri E.F.R.K. Koken, 1889 † - syn of: Euryzone kayseri (E.F.R.K. Koken, 1889 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- kayseri, Ponticeras kayseri (Wedekind, 1918 †) - (PONTICERATIDAE) (FOSSIL)
- kayseri, Alpinites kayseri (Schindewolf, 1923 †) - (POSTTORNOCERATIDAE) (FOSSIL)
- kayseri, Wedekindoceras kayseri Schindewolf, 1923 † - syn of: Alpinites kayseri (Schindewolf, 1923 †) - (POSTTORNOCERATIDAE) (FOSSIL)
- kayseri, Barroisocaulus kayseri (Spitz, 1907 †) - (PTYCHOCAULIDAE) (FOSSIL)
- kayseriensis, Pseudamnicola kayseriensis P. Glöer, M.Z. Yildirim & Ü. Kebapçi, 2015 - (HYDROBIIDAE)
- kayseris, Stagnicola kayseris P. Glöer & M.Z. Yildirim, 2006 - (LYMNAEIDAE)
- kayserlingi, Ascoceras kayserlingi Barrande, 1865 † - (ASCOCERATIDAE) (FOSSIL)
- kaysi, Globonema kaysi Rohr & al., 1981 † - (TROCHONEMATIDAE) (FOSSIL)
- Kayutoceras, Genus Kayutoceras Ruzhentzev & Ganelin, 1971 (ORULGANITIDAE) (FOSSIL)
- Kazachia, Genus Kazachia Bazhenova, 1971 (CTENODONTIDAE) (FOSSIL)
- Kazachia, Genus Kazachia Bazhenova, 1971 (NUCULIDA (unassigned)) (FOSSIL)
- kazakensis, Lymnaea kazakensis A. Mozley, 1934 - (LYMNAEIDAE)
- Kazakhoceras, Genus Kazakhoceras Ruzhencev , 1947 (BERKHOCERATIDAE) (FOSSIL)
- Kazakhoclymenia, Genus Kazakhoclymenia Bogoslovskij, 1979 (CLYMENIIDA (unassigned)) (FOSSIL)
- kazakhorum, Girtyoceras kazakhorum Ruzhentsev, 1966 † - (GIRTYOCERATIDAE) (FOSSIL)
- kazakhorum, Nothosporadoceras kazakhorum Bogoslovsky, 1971 † - (SPORADOCERATIDAE) (FOSSIL)
- kazakhstanense, Discoceras kazakhstanense I.S. Barskov † - (DISCOCERATIDAE) (FOSSIL)
- kazakhstanense, Triboloceras kazakhstanense Shimanskiy, 1967 † - (TRIGONOCERATIDAE) (FOSSIL)
- Kazakhstania, Genus Kazakhstania Librovitch , 1940 (GATTENDORFIIDAE) (FOSSIL)
- kazakhstanica, Bagenovia kazakhstanica Koneva, 1976 † - (CAMBRIDIIDAE) (FOSSIL)
- kazakhstanica, Caspiohydrobia kazakhstanica Y.I. Starobogatov & S.I. Andreeva, 1981 - (HYDROBIIDAE)
- kazakhstanica, Aenigmomphiscola kazakhstanica N.D. Kruglov & Y.I. Starobogatov, 1981 - (LYMNAEIDAE)
- kazakhstanica, Artinskia kazakhstanica Ruzhentsev, 1951 † - (MEDLICOTTIIDAE) (FOSSIL)
- kazakhstanica, Uraloclymenia kazakhstanica Bogoslovsky, 1977 † - (PACHYCLYMENIIDAE) (FOSSIL)
- kazakhstanica, Pusillina kazakhstanica O.V. Amitrov, 2010 † - (RISSOIDAE) (FOSSIL)
- kazakhstanicum, Nuculoceras kazakhstanicum Ruzhentsev & Bogoslovskaya, 1971 † - (CRAVENOCERATIDAE) (FOSSIL)
- Kazakhstanites, Genus Kazakhstanites Shevyrev , 1968 (SIBIRITIDAE) (FOSSIL)
- kazakovae, Panopea kazakovae M. Glibert & L. van de Poel, 1966 † - (HIATELLIDAE) (FOSSIL)
- kazakovi, Nordophiceras kazakovi Dagis & Ermakova, 1988 † - (MEEKOCERATIDAE) (FOSSIL)
- Kazancia, Genus Kazancia E. Neubert, 1992 (CLAUSILIIDAE)
- Kazanella, Genus Kazanella Mazaev, 2015 (ORTHONEMATIDAE) (FOSSIL)
- kazanensis, Nucula kazanensis de Verneuil, 1845 † - syn of: Polidevcia kasanensis (de Verneuil, 1845 †) - (NUCULIDAE) (FOSSIL)
- kazanensis, Stuckenbergispira kazanensis Mazaev, 2015 † - (PLATYCERATIDAE) (FOSSIL)
- kazanensis, Pseudomonotis kazanensis (de Verneuil, 1845 †) - (PSEUDOMONOTIDAE) (FOSSIL)
- kazanensis, Avicula kazanensis de Verneuil, 1845 † - syn of: Pseudomonotis kazanensis (de Verneuil, 1845 †) - (PTERIIDAE) (FOSSIL)
- kazanensis, Palaeocosmomya kazanensis (H.B. Geinitz 1880 †) - (SANGUINOLITIDAE) (FOSSIL)
- kazani, Lucinoma kazani C. Salas & Woodside, 2002 - (LUCINIDAE)
- kazanicum, Paraliroceras kazanicum I.S. Barskov & Shilovsky, 2014 † - (LIROCERATIDAE) (FOSSIL)
- Kazanskyella, Genus Kazanskyella Stoyanow , 1949 (PARAHOPLITIDAE) (FOSSIL)
- kazdaghensis, Bythinella kazdaghensis D.A. Odabasi & D.G. Georgiev, 2014 - (BYTHINELLIDAE)
- kazdailisi, Chryseofusus kazdailisi (K. Fraussen & R. Hadorn, 2000) - (FASCIOLARIIDAE)
- kazdailisi, Fusinus kazdailisi K. Fraussen & R. Hadorn, 2000 - syn of: Chryseofusus kazdailisi (K. Fraussen & R. Hadorn, 2000) - (FASCIOLARIIDAE)
- kazhdumiense, Knemiceras kazhdumiense M. Collignon, 1983 † - (KNEMICERATIDAE) (FOSSIL)
- kazmaliensis, Beyrichites kazmaliensis F. Toula, 1896 † - syn of: Nicomedites barbarossae F. Toula, 1896 † - (BEYRICHITIDAE) (FOSSIL)
- kaznakovi, Limax kaznakovi H.R. Simroth, 1912 - (LIMACIDAE)
- kaznakovi, Schileykula kaznakovi O.W. Von Rosen, 1914 - syn of: Schileykula batumensis (O. von Retowski, 1889) - (ORCULIDAE)
- kaznakovi, Parmacella kaznakovi H.R. Simroth, 1912 - syn of: Levanderiella levanderi (H.R. Simroth, 1901) - (PARMACELLIDAE)
- kaznakovi, Pupilla kaznakovi O.W. Von Rosen, 1914 - syn of: Schileykula batumensis (O. von Retowski, 1889) - (PUPILLIDAE)
- kaznakovi, Hyrcanolestes kaznakovi H.R. Simroth, 1912 - syn of: Hyrcanolestes velitaris (E.C. Von Martens, 1880) - (TRIGONOCHLAMYDIDAE)
- Kaznakoviella, Subgenus Cathaica (Kaznakoviella) W.A. Lindholm, 1922 (BRADYBAENIDAE)
- kazuensis, Oenopota kazuensis S. Nomura, 1940 - syn of: Oenopota kazusensis (S. Nomura, 1940) - (MANGELIIDAE)
- kazuensis, Gari kazuensis M. Yokoyama, 1922 - syn of: Gari californica (T.A. Conrad, 1849) - (PSAMMOBIIDAE)
- kazusense, Epitonium kazusense (M. Yokoyama, 1922) - (EPITONIIDAE)
- kazusensis, Oenopota kazusensis (S. Nomura, 1940) - (MANGELIIDAE)
- kazusensis, Gari kazusensis (M. Yokoyama, 1922) - (PSAMMOBIIDAE)
- kazusensis, Lora kazusensis S. Nomura, 1940 - syn of: Oenopota kazusensis (S. Nomura, 1940) - (TURRIDAE)
- kbiraensis, Protatlanta kbiraensis Janssen, 2012 † - (ATLANTIDAE) (FOSSIL)
- kcirensis, Celtites kcirensis Arthaber, 1908 † - syn of: Dieneroceras mediterranea (Arthaber, 1908 †) - (CELTITIDAE) (FOSSIL)
- keaana, Vitrea keaana F. Riedel & M. Mylonas, 1981 - (PRISTILOMATIDAE)
- keadyi, Rudolfoceras keadyi Hook & Flower, 1977 † - (RUDOLFOCERATIDAE) (FOSSIL)
- keaense, Deroceras keaense C.O. Van Regteren Altena, 1973 - (AGRIOLIMACIDAE)
- keanensis, Deroceras keanensis C.O. Van Regteren Altena, 1973 - (AGRIOLIMACIDAE)
- keari, Zeacolpus keari J. Marwick, 1971 † - (TURRITELLIDAE) (FOSSIL)
- kearneyi, Palaeotrochus kearneyi J.W. Hall, 1861 † - syn of: Palaeotrochus kearnyi (J.W. Hall, 1861 †) - (PALAEOTROCHIDAE) (FOSSIL)
- kearnyi, Palaeotrochus kearnyi (J.W. Hall, 1861 †) - (PALAEOTROCHIDAE) (FOSSIL)
- keaseyensis, Boreoscala keaseyensis J.W. Durham, 1937 † - (EPITONIIDAE) (FOSSIL)
- keaseyensis, Thracia keaseyensis C.J.S. Hickman, 2014 † - (THRACIIDAE) (FOSSIL)
- keatiformis, Conus keatiformis T. Shikama & T. Oishi, 1977 - syn of: Phasmoconus collisus (L.A. Reeve, 1849) - (CONIDAE)
- keatii, Conus keatii G.B. II Sowerby, 1858 - syn of: Graphiconus inscriptus (L.A. Reeve, 1843) - (CONIDAE)
- keatonae, Jenneria keatonae E.J. Petuch, 1991 † - syn of: Jenneria richardsi A.A. Olsson, 1967 † - (PEDICULARIIDAE) (FOSSIL)
- keatoni, Oliva keatoni E.J. Petuch, 1994 † - (OLIVIDAE) (FOSSIL)
- keatonorum, Cinctura hunteria keatonorum E.J. Petuch, 2013 - (FASCIOLARIIDAE)
- keatonorum, Strombus keatonorum E.J. Petuch, 1994 † - (STROMBIDAE) (FOSSIL)
- keatsiana, Amoria keatsiana N.H. Ludbrook, 1953 - syn of: Amoria damonii keatsiana N.H. Ludbrook, 1953 - (VOLUTIDAE)
- keatsiana, Amoria damonii keatsiana N.H. Ludbrook, 1953 - (VOLUTIDAE)
- keaufeli, Bulgarica keaufeli R.A.M. Brandt, 1961 - (CLAUSILIIDAE)
- kebapcii, Valvata kebapcii D.A. Odabasi, P. Glöer & M.Z. Yildirim, 2015 - (VALVATIDAE)
- kebavica, Atractophaedusa kebavica (O.F. von Möllendorff, 1901) - (CLAUSILIIDAE)
- kebelti, Pseudovertagus kebelti (R.W. Dunker, 1877) - (CERITHIIDAE)
- Kebina, Genus Kebina Vologdin 1955 (ARCHAEOGASTROPODA (unassigned)) (FOSSIL)
- keblina, Tingitana keblina (P.M. Pallary, 1910) - (HELICIDAE)
- keblina conglobata, Tingitana keblina conglobata (P.M. Pallary, 1926) - (HELICIDAE)
- kebolintangensis, Chlamys kebolintangensis Martin, 1909 † - (PECTINIDAE) (FOSSIL)
aaa
aca
aco
acy
adn
aer
afs
akb
alc
alj
alu
amc
ams
and
anh
anp
anu
apo
arb
ard
arj
aru
asr
ato
auc
aus
aut
bab
baj
bao
bas
baw
bem
bes
bid
bim
bit
blo
bom
bos
bow
bre
bri
bry
bum
byt
caa
cam
cao
cas
cau
ceo
cez
che
chk
chy
cio
cle
cob
coj
com
con
coo
cos
cot
cre
cri
cru
cud
cur
cyb
cym
daa
dan
daw
ded
dem
deo
det
dic
dim
dit
dom
dos
duc
duq
eag
ecp
egg
elf
elp
enh
epe
erj
est
euh
euv
exd
exq
faa
fan
fat
fes
fim
fle
flu
fos
fre
fuf
fur
fut
gaa
gam
gav
geo
gie
gis
gle
glu
goo
gre
gru
gug
gvo
haa
ham
has
heb
hem
hes
hif
his
hom
hov
hun
hyl
iac
ilm
imt
ind
ing
int
inu
irm
isp
jaa
jao
jaw
joi
jul
kaa
kar
kec
kha
kis
kof
kpo
kus
lab
lad
laf
lan
las
lau
led
leo
leq
lew
lim
lio
liu
loo
luc
luo
lyd
maa
mad
mah
mam
mao
mas
mav
mee
mem
mes
mey
mid
min
mio
mit
moe
moo
mos
mum
mut
nab
nao
nav
nem
nes
nid
nio
niu
noe
nou
nue
oaf
obn
obu
ocl
oke
ols
ooy
orc
oro
osu
ove
paa
paf
pam
paq
pas
pav
pee
peo
pes
pfi
phl
pid
pio
ple
plo
pom
pos
pre
pro
pru
psi
pul
pum
pup
put
pys
qag
qub
rab
rai
ras
red
reh
reu
rhu
rin
roc
rot
rox
rue
ruh
ryo
saa
saj
sao
saw
sce
sci
scy
sem
sen
ses
sho
sih
sin
sio
smo
som
soy
sph
spj
sra
stg
sts
suc
sum
suv
tab
tal
tar
taz
teo
tes
tha
thl
tif
toe
tos
tre
tro
try
tuc
tus
uac
ume
uni
urd
vaa
vap
vas
vep
ves
vid
vip
vis
vog
vup
waa
wam
wek
wig
wop
xac
yaa
yoy
zaa
zen
zoo
|