- kioaensis, Lamprocystis kioaensis (A. Garrett, 1875) - (EUCONULIDAE)
- Kioconus, Genus Kioconus A.J. Da Motta, 1991 (CONIDAE)
- Kionghutania, syn of: Genus Kaliella W.T. Blanford, 1863 (CHRONIDAE)
- Kionoceras, Genus Kionoceras Hyatt, 1884 † (KIONOCERATIDAE) (FOSSIL)
- KIONOCERATIDAE Hyatt, 1900 † - Family (CEPHALOPODA-ORTHOCERATOIDEA [Subclass]-ORTHOCERIDA [Order]) (FOSSIL)
- Kionoptyx, syn of: Genus Bostryx F.H. Troschel, 1847 (BULIMULIDAE)
- kioroshiensis, Venerupis aspera kioroshiensis K. Hirayama & Y. Ando, 1954 † - (VENERIDAE) (FOSSIL)
- kiosk, Coluzea kiosk Finlay, 1930 † - (TURBINELLIDAE) (FOSSIL)
- kiosquiformis, Thaisella kiosquiformis (P.L. Duclos, 1832) - (MURICIDAE)
- Kiotoceras, Genus Kiotoceras Flower, 1971 † (ENDOCERATIDAE) (FOSSIL)
- kiowaensis, Patera kiowaensis C.T. Simpson, 1888 - (POLYGYRIDAE)
- kiowanus, Drepanocheilus kiowanus (Cragin, 1895 †) - (APORRHAIDAE) (FOSSIL)
- kiowanus marquettensis, Drepanocheilus kiowanus marquettensis Stanton, 1947 † - (APORRHAIDAE) (FOSSIL)
- kiparisovae, Acrochordiceras kiparisovae Zharnikova, 1981 † - syn of: Acrochordiceras hyatti F.B. Meek, 1877 † - (ACROCHORDICERATIDAE) (FOSSIL)
- kiparisovae, Arctoceras kiparisovae Shevyrev, 1995 † - (ARCTOCERATIDAE) (FOSSIL)
- kiparisovae, Proclydonautilus kiparisovae A.M. Popov, 1939 † - (CLYDONAUTILIDAE) (FOSSIL)
- kiparisovae, Parahedenstroemia kiparisovae Y. Shigeta & Zakharov, 2009 † - (HEDENSTROEMIIDAE) (FOSSIL)
- kiparisovae, Xenodiscus kiparisovae A.M. Popov, 1961 † - syn of: Sakhaites vronskyi (A.M. Popov, 1961 †) - (MEEKOCERATIDAE) (FOSSIL)
- kiparisovae, Myalina kiparisovae Kurushin, 1985 † - (MYALINIDAE) (FOSSIL)
- kiparisovae, Dacryomya kiparisovae Kurushin, 1990 † - (NUCULANIDAE) (FOSSIL)
- kiparisovae, Oxytoma kiparisovae Tozer, 1961 † - (OXYTOMIDAE) (FOSSIL)
- kiparisovae, Palaeopharus kiparisovae Efimova & Kiparisova, 1970 † - (PALAEOPHARIDAE) (FOSSIL)
- Kiparisovia, Genus Kiparisovia † (GYMNITIDAE) (FOSSIL)
- Kiparisovites, Genus Kiparisovites Astachova , 1964 † (BYRRANGOCERATIDAE) (FOSSIL)
- kipenense, Profulvia kipenense Slodkewitsch, 1938 † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- kipenensis, Papyridea kipenensis Slodkewitsch, 1938 † - syn of: Profulvia kipenense Slodkewitsch, 1938 † - (CARDIIDAE) (FOSSIL)
- Kipia, Genus Kipia Harris & Hodson, 1922 † (HIPPURITIDA (UNASSIGNED)) (FOSSIL)
- kipopoensis, Coelatura kipopoensis G. Mandahl-Barth, 1968 - (UNIONIDAE)
- Kipua, Subgenus Philonesia (Kipua) F.C. Baker, 1949 (EUCONULIDAE)
- kipui, Hiona kipui H.B. Baker, 1940 - (EUCONULIDAE)
- kirai, Punctacteon kirai (T. Habe, 1949) - (ACTEONIDAE)
- kirai, Ginebis kirai K. Sakurai, 1983 - syn of: Ginebis argenteonitens (C.E. Lischke, 1872) - (CALLIOTROPIDAE)
- kirai, Corculum cardissa kirai T. Shikama, 1964 - (CARDIIDAE)
- kirai, Rhiostoma housei kirai T. Habe, 1965 - (CYCLOPHORIDAE)
- kirai, Nassaria magnifica kirai T. Habe, 1961 - (NASSARIIDAE)
- kirai, Neilonella kirai (T. Habe, 1953) - (NEILONELLIDAE)
- kirai, Jupiteria kirai T. Habe, 1953 - syn of: Neilonella kirai (T. Habe, 1953) - (NUCULANIDAE)
- kirai, Comitas kirai A.W.B. Powell, 1969 - (PSEUDOMELATOMIDAE)
- kirai, Munditiella kirai (T. Habe, 1961) - (SKENEIDAE)
- kirai, Duplicaria kirai (K. Oyama, 1962) - (TEREBRIDAE)
- kirai, Nototeredo kirai Is. Taki & T. Habe, 1945 - syn of: Nototeredo edax (C. Hedley, 1895) - (TEREDINIDAE)
- kirai, Sunetta kirai M. Huber, 2010 - (VENERIDAE)
- kirakiraensis, Placostylus kirakiraensis B. Rensch, 1934 - (BOTHRIEMBRYONTIDAE)
- kiralikoeica, Helicigona kiralikoeica (M. von Kimakowicz, 1890) - (HELICIDAE)
- kiralikoeika, Campylaea kiralikoeika M. von Kimakowicz, 1890 - syn of: Helicigona kiralikoeica (M. von Kimakowicz, 1890) - (HELICIDAE)
- Kiramodulus, syn of: Genus Thyca H. Adams & A. Adams, 1854 (EULIMIDAE)
- kirana, Babylonia kirana T. Habe, 1965 - (BABYLONIIDAE)
- kirana, Montfortista kirana (T. Habe, 1963) - (FISSURELLIDAE)
- kiranum, Frigidocardium kiranum K. Sakurai & T. Habe, 1966 - (CARDIIDAE)
- kiranus, Granulifusus kiranus T. Shuto, 1958 - (FASCIOLARIIDAE)
- kiranus, Latiaxis kiranus (J.T. Kuroda, 1959) - (MURICIDAE)
- kirata, Japonites kirata Diener, 1895 † - (GYMNITIDAE) (FOSSIL)
- kirbyi, Bassleroceras kirbyi (R.P. Whitfield, 1889 †) - (BASSLEROCERATIDAE) (FOSSIL)
- kirbyi, Zonitoides kirbyi W. Fullington, 1974 - (GASTRODONTIDAE)
- kirbyi, Cyrtoceras kirbyi R.P. Whitfield, 1889 † - syn of: Bassleroceras kirbyi (R.P. Whitfield, 1889 †) - (ONCOCERIDA (unassigned)) (FOSSIL)
- kirchbergensis, Unio kirchbergensis Krauss, 1852 † - (UNIONIDAE) (FOSSIL)
- kirchgasseri, Koenenites lamellosus kirchgasseri House, 1978 † - (KOENENITIDAE) (FOSSIL)
- kirchnera, Murchisonia kirchnera Heidelberger, 2001 † - (MURCHISONIIDAE) (FOSSIL)
- Kirchneriella, Genus Kirchneriella Frýda , 2000 † (GOSSELETINIDAE) (FOSSIL)
- Kirelia, Genus Kirelia P. Radoman, 1973 (HYDROBIIDAE)
- kirembosa, Sakuraeolis kirembosa W.B. Rudman, 1980 - (FACELINIDAE)
- Kirengella, Genus Kirengella Rozov , 1968 † (KIRENGELLIDAE) (FOSSIL)
- KIRENGELLIDAE Rozov, 1975 † - Family (MONOPLACOPHORA-TRYBLIDIIDA [Order]-KIRINGELLOIDEA [Superfamily]) (FOSSIL)
- kirevae, Styliolina kirevae Lyashenko, 1959 † - (STYLIOLINIDAE) (FOSSIL)
- kirghisensis, Aulacostephanoceras kirghisensis (A.V.M.D. D'Orbigny, 1845 †) - (AULACOSTEPHANIDAE) (FOSSIL)
- kirghisensis, Praebuchia kirghisensis (Sokolov 1902) † - (PTERIIDA (UNASSIGNED)) (FOSSIL)
- kirghizorum, Paragastrioceras kirghizorum Voinova, 1934 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- kirgisensis, Paedhoplita kirgisensis I.M. Likharev & E.S. Rammelmeyer, 1952 - (HYGROMIIDAE)
- kirgizorum, Kushanites kirgizorum Ruzhentsev & Bogoslovskaya, 1975 † - (HOMOCERATIDAE) (FOSSIL)
- kiriense, Cochlostoma roseoli kiriense A.J. Wagner, 1906 - (COCHLOSTOMATIDAE)
- kirilli, Infacerithium kirilli A.V. Guzhov, 2004 † - (PROCERITHIIDAE) (FOSSIL)
- kirillowensis, Baylea kirillowensis de Koninck 1881 † - (GOSSELETINIDAE) (FOSSIL)
- kirillowensis, Ptychomphalus kirillowensis Licharew, 1913 † - (PTYCHOMPHALIDAE) (FOSSIL)
- Kiringella, syn of: Genus Kirengella Rozov , 1968 † (KIRENGELLIDAE) (FOSSIL)
- kirishimensis, Euhadra herklotsi kirishimensis J.T. Kuroda, 1936 - (BRADYBAENIDAE)
- kiritaniana, Neverita kiritaniana Yokoyama, 1931 - syn of: Neverita didyma coticazae J. Makiyama, 1926 - (NATICIDAE)
- kiritehereensis, Pleurotomaria kiritehereensis Begg & J. Grant-Mackie, 2003 † - (PLEUROTOMARIIDAE) (FOSSIL)
- kiritihereensis, Eomonotis kiritihereensis J. Grant-Mackie, 1980 † - (MONOTIDAE) (FOSSIL)
- kirka, Pseudobithynia kirka P. Glöer, C. Albrecht & T. Wilke, 2007 - (BITHYNIIDAE)
- kirkandersi, Purpuriconus kirkandersi (E.J. Petuch, 1987) - (CONIDAE)
- kirkbyi, Hyolithes kirkbyi Howse, 1857 † - (HYOLITHIDAE) (FOSSIL)
- kirkbyi, Hypergonia kirkbyi J. Donald, 1892 † - (ORTHONEMIDAE) (FOSSIL)
- kirkerensis, Ciliatocardium kirkerensis (Clark, 1918 †) - (CARDIIDAE) (FOSSIL)
- kirkerensis, Cyclocardia kirkerensis Clark, 1918 † - (CARDITIDAE) (FOSSIL)
- kirki, Pupa affinis kirki (F.W. Hutton, 1873) - (ACTEONIDAE)
- kirki, Cyptendoceras kirki Flower, 1964 † - (BALTOCERATIDAE) (FOSSIL)
- kirki, Cerithium kirki F.W. Hutton, 1873 - syn of: Euterebra tristis (G.P. Deshayes, 1859) - (CERITHIIDAE)
- kirki, Cuspidaria kirki (F.W. Hutton, 1873 †) - (CUSPIDARIIDAE) (FOSSIL)
- kirki, Serrata kirki (J. Marwick, 1924 †) - (MARGINELLIDAE) (FOSSIL)
- kirki, Spathella kirki C.M.F. Ancey, 1894 - syn of: Chambardia nyassaensis (I. Lea, 1864) - (MODIOMORPHIDAE)
- kirki, Chytra kirki (E.A. Smith, 1880) - (PALUDOMIDAE)
- kirki, Pseudoglessula kirki (W.L.H. Dohrn, 1865) - (SUBULINIDAE)
- kirki liederi, Spatha kirki liederi E.C. Von Martens, 1897 - syn of: Chambardia nyassaensis (I. Lea, 1864) - (IRIDINIDAE)
- kirkii, Architeuthis kirkii C.W. Robson, 1887 - syn of: Architeuthis dux J.J.S. Steenstrup, 1857 - (ARCHITEUTHIDAE)
- kirkii, Corbicula kirkii T. Prime, 1867 - syn of: Corbicula africana (C.F.F. von Krauss, 1848) - (CYRENIDAE)
- kirkii, Unio kirkii I. Lea, 1864 - syn of: Nyassunio nyassaensis (I. Lea, 1864) - (UNIONIDAE)
- kirkii, Urocyclus kirkii J.E. Gray, 1864 - (UROCYCLIDAE)
- kirkinskayae, Laevicardium kirkinskayae Krishtofovich, 1957 † - (CARDIIDAE) (FOSSIL)
- kirkinskayae, Macoma kirkinskayae Krishtofovich, 1957 † - (TELLINIDAE) (FOSSIL)
- kirklandi, Ferrissia kirklandi B. Walker, 1903 - (PLANORBIDAE)
- kirklandianus, Unio kirklandianus B.H. Wright, 1897 - syn of: Hamiota subangulata (I. Lea, 1840) - (UNIONIDAE)
- kirklandianus, Unio kirklandianus S.C.T. Hanley, 1843 - syn of: Fusconaia subrotunda (I. Lea, 1831) - (UNIONIDAE)
- Kirkoceras, syn of: Genus Clitendoceras Ulrich & Foerste, 1936 † (PROTEROCAMEROCERATIDAE) (FOSSIL)
- Kirkospira, Genus Kirkospira Rohr & Blodgett, 2001 † (PLETHOSPIRIDAE) (FOSSIL)
- kirkpatricki, Sansonia kirkpatricki (T. Iredale, 1917) - (PICKWORTHIIDAE)
- kirkpatricki andrei, Sansonia kirkpatricki andrei F.P. Jousseaume, 1921 - (PICKWORTHIIDAE)
- kirkwoodiana, Acteocina kirkwoodiana H.G. Richards & A. Harbison, 1944 † - (ACTEOCINIDAE) (FOSSIL)
- kirlingtonensis, Cylindrobullina kirlingtonensis (J. Lycett, 1863 †) - (CYLINDROBULLINIDAE) (FOSSIL)
- kirnaensis, Latitaenia kirnaensis E.F.R.K. Koken & J. Perner, 1925 † - (GOSSELETINIDAE) (FOSSIL)
- kirnaensis, Ectomaria kirnaensis E.F.R.K. Koken, 1897 † - syn of: Ectomaria nieszkowskii (A. Schmidt, 1858 †) - (LOPHOSPIRIDAE) (FOSSIL)
- kirostra, Anachis kirostra (P.L. Duclos, 1840) - (COLUMBELLIDAE)
- kirschneri, Skirroceras kirschneri Imlay, 1964 † - (STEPHANOCERATIDAE) (FOSSIL)
- kirshi, Agathotoma kirshi E. Rolán, R. Fernández-Garcés & C. Redfern, 2012 - (MANGELIIDAE)
- Kirsoceras, Genus Kirsoceras Bogoslovskii, 1971 † (KIRSOCERATIDAE) (FOSSIL)
- KIRSOCERATIDAE Korn, 2002 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-TORNOCERATOIDEA [Superfamily]) (FOSSIL)
- kirsteuri, Smaragdinella kirsteuri Ev. Marcus, 1970 - (HAMINOEIDAE)
- kirstineae, Entomope kirstineae Schnetler, 2001 † - (ELACHISINIDAE) (FOSSIL)
- kirtlandianus, Unio kirtlandianus I. Lea, 1834 - syn of: Fusconaia subrotunda (I. Lea, 1831) - (UNIONIDAE)
- kis, Pisinna kis (R. Winckworth, 1931) - (ANABATHRIDAE)
- kisalensis, Gabbiella kisalensis (H.A. Pilsbry & C.E. Beecher, 1927) - (BITHYNIIDAE)
- kisangani, Melanoides kisangani H.A. Pilsbry & C.E. Beecher, 1927 - (THIARIDAE)
- kiselevae, Cyclolobus kiselevae Zakharov, 1983 † - (CYCLOLOBIDAE) (FOSSIL)
- kiseljaki, Valenciennius kiseljaki (Gorjanovic-Kramberger, 1901 †) - (LYMNAEIDAE) (FOSSIL)
- kishiiana, Akiyoshia kishiiana J.T. Kuroda, T. Habe & Tamu, 1958 - (HYDROBIIDAE)
- kishimaense, Fragum kishimaense (Nagao) † - (CARDIIDAE) (FOSSIL)
- kishimaensis, Creseis kishimaensis Y. Ando, 2011 † - (CRESEIDAE) (FOSSIL)
- Kishinewia, Genus Kishinewia † (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- kisnyergesarokensis, Callomoniceras kisnyergesarokensis (Geczy & Meister, 2007 †) - (EODEROCERATIDAE) (FOSSIL)
- kisonis, Unio kisonis W. Kobelt & H. Rolle, 1895 - syn of: Unio terminalis J.R. Bourguignat, 1852 - (UNIONIDAE)
- kispatici, Melanopsis kispatici Š. Brusina, 1897 † - (MELANOPSIDAE) (FOSSIL)
- kissdalmae, Hauffenia kissdalmae Z. Eröss & E. Petró, 2008 - (HYDROBIIDAE)
- kissensis, Amphidromus laevus kissensis H. Rolle, 1903 - (CAMAENIDAE)
- kissimmeensis, Pyrazisinus kissimmeensis (A.A. Olsson, 1967 †) - (BATILLARIIDAE) (FOSSIL)
- kissimmeensis, Ptychosalpinx kissimmeensis E.J. Petuch, 1994 † - (BUCCINIDAE) (FOSSIL)
- kissimmeensis, Brachysycon kissimmeensis (E.J. Petuch, 1994 †) - (BUSYCONIDAE) (FOSSIL)
- kissimmeensis, Ventrilia kissimmeensis E.J. Petuch, 1994 † - syn of: Ventrilia rucksorum E.J. Petuch, 1994 † - (CANCELLARIIDAE) (FOSSIL)
- kissimmeensis, Siphocypraea kissimmeensis E.J. Petuch, 1994 † - (CYPRAEIDAE) (FOSSIL)
- kissimmeensis, Terebraspira kissimmeensis E.J. Petuch, 1994 † - (FASCIOLARIIDAE) (FOSSIL)
- kissimmeensis, Tropochasca kissimmeensis E.J. Petuch, 1994 † - (MELONGENIDAE) (FOSSIL)
- kissimmeensis, Trossulasalpinx kissimmeensis E.J. Petuch, 1994 † - (MURICIDAE) (FOSSIL)
- kissimmeensis, Eupleura kissimmeensis E.J. Petuch, 1994 † - (MURICIDAE) (FOSSIL)
- kissimmeensis, Pleioptygma kissimmeensis E.J. Petuch, 1994 † - (PLEIOPTYGMATIDAE) (FOSSIL)
- kisslingi, Harpoceras kisslingi Hug, 1898 † - (HILDOCERATIDAE) (FOSSIL)
- Kisslingia, Genus Kisslingia P. Bartsch, 1946 (POMATIIDAE)
- Kisslingia, syn of: Genus Licina J.E. Gray, 1847 (POMATIIDAE)
- kissoumi, Panopea kissoumi McLearn, 1945 † - (HIATELLIDAE) (FOSSIL)
- kissoumi, Thracia kissoumi McLearn, 1933 † - (THRACIIDAE) (FOSSIL)
- kissoumi, Yoldia kissoumi McLearn, 1933 † - (YOLDIIDAE) (FOSSIL)
- Kistasella, Genus Kistasella Missarzhevsky, 1989 † (ONYCHOCHILIDAE) (FOSSIL)
- Kistinaia, Subgenus Coelatura (Kistinaia) Haas, 1936 (UNIONIDAE)
- kisumiensis, Gyraulus kisumiensis H.B. Preston, 1912 - (PLANORBIDAE)
- kitae, Goniobranchus kitae (T.M. Gosliner, 1994) - (CHROMODORIDIDAE)
- kitaiwojimana, Lamprocystis hahajimana kitaiwojimana H.A. Pilsbry & Y. Hirase, 1905 - (EUCONULIDAE)
- kitaiwojimanum, Elasmias kitaiwojimanum (H.A. Pilsbry & Y. Hirase, 1903) - (ACHATINELLIDAE)
- kitakamiense, Tainoceras kitakamiense I. Hayasaka, 1962 † - (TAINOCERATIDAE) (FOSSIL)
- kitakamiensis, Annuliconcha kitakamiensis Murata, 1964 † - (ANNULICONCHIDAE) (FOSSIL)
- kitakamiensis, Euphemitopsis kitakamiensis Murata, 1969 † - (EUPHEMITIDAE) (FOSSIL)
- kitakamiensis, Neogeoceras kitakamiensis Bando & Ehiro, 1985 † - (MEDLICOTTIIDAE) (FOSSIL)
- kitakamiensis, Neoschizodus kitakamiensis Nakazawa & Newell, 1968 † - (MYOPHORIIDAE) (FOSSIL)
- Kitakamispira, syn of: Genus Kitikamispira Kase & Nishida, 1988 † (EUOMPHALOIDEA (UNASSIGNED)) (FOSSIL)
- kitamiensis, Mizuhopecten kitamiensis Satoru & al., 1966 † - (PECTINIDAE) (FOSSIL)
- kitamurai, Nanaochlamys kitamurai (Kotaka 1955) † - (PECTINIDAE) (FOSSIL)
- kitamurai, Oistotrigonia kitamurai Tashiro, 1988 † - (PTEROTRIGONIIDAE) (FOSSIL)
- kitanagato, Eatonina kitanagato H. Fukuda, A. Nakamura & H. Yamashita, 1998 - (CINGULOPSIDAE)
- Kitatites, Genus Kitatites Zhuravleva, 1972 † (DISCOSORIDA (UNASSIGNED)) (FOSSIL)
- kitcheni, Etrema kitcheni C.F. Laseron, 1954 - (CLATHURELLIDAE)
- kitcheni, Turbonilla kitcheni (C.F. Laseron, 1951) - (PYRAMIDELLIDAE)
- kitcheni attenuata, Etrema kitcheni attenuata C.F. Laseron, 1954 - (CLATHURELLIDAE)
- kitchingi, Anachis kraussii kitchingi (G.B. III Sowerby, 1844) - (COLUMBELLIDAE)
- Kitchingonia, Genus Kitchingonia M.R. Cooper, 2016 † (TRIGONIIDAE) (FOSSIL)
- kitchini, Amoebites kitchini (Salfeld, 1915 †) - (CARDIOCERATIDAE) (FOSSIL)
- kitchini, Sonneratia kitchini Spath, 1925 † - (HOPLITIDAE) (FOSSIL)
- kitchini, Rinetrigonia kitchini (Rudra & Bardhan, 2006 †) - (PTEROTRIGONIIDAE) (FOSSIL)
- kitchini, Homoceratoides kitchini Bisat, 1930 † - (RAMOSITIDAE) (FOSSIL)
- kitchini, Tetragonites kitchini Krenkel 1910 † - (TETRAGONITIDAE) (FOSSIL)
- kitchini, Trigonia kitchini Stoyanow, 1949 † - (TRIGONIIDAE) (FOSSIL)
- kitchini chalensis, Sonneratia kitchini chalensis T.L. Casey † - (HOPLITIDAE) (FOSSIL)
- kitchini ovalis, Sonneratia kitchini ovalis T.L. Casey † - (HOPLITIDAE) (FOSSIL)
- Kitchinites, Genus Kitchinites Spath , 1922 † (DESMOCERATIDAE) (FOSSIL)
- Kitikamispira, Genus Kitikamispira Kase & Nishida, 1988 † (EUOMPHALOIDEA (UNASSIGNED)) (FOSSIL)
- kitsoni, Gibberula kitsoni (A.C. Chapman, 1921) - (CYSTISCIDAE)
- kitsoni, Pseudoliva kitsoni R.B. Newton, 1922 † - (PSEUDOLIVIDAE) (FOSSIL)
- kitsoni, Callista kitsoni R.B. Newton, 1922 † - (VENERIDAE) (FOSSIL)
- Kitsonia, Genus Kitsonia Eames, 1957 † (CARDIIDA (UNASSIGNED)) (FOSSIL)
- kitteli, Plectostoma kitteli (W.J.M. Maassen, 2002) - (DIPLOMMATINIDAE)
- kitteli, Emarginula kitteli Dreger, 1892 † - (FISSURELLIDAE) (FOSSIL)
- kitteli, Geotrochus kitteli J.J. Vermeulen, T.S. Liew & M. Schilthuizen, 2015 - (HELICARIONIDAE)
- kitteli, Paraboysidia kitteli W.J.M. Maassen, 1999 - (HYPSELOSTOMATIDAE)
- kitteredgei, Ximeniconus kitteredgei (C.J. Maury, 1917 †) - (CONIDAE) (FOSSIL)
- kittli, Paratirolites kittli Stoyanow, 1910 † - (DZHULFITIDAE) (FOSSIL)
- kittli, Canthidomus kittli Handmann, 1887 † - syn of: Melanopsis bouei A.E.J. Férussac, 1823 † - (MELANOPSIDAE) (FOSSIL)
- kittli, Paraturbo kittli Kutassy, 1937 † - (PARATURBINIDAE) (FOSSIL)
- kittli, Mioplatytaphius kittli (Rzehak, 1893 †) - (PLANORBIDAE) (FOSSIL)
- kittli, Lamellox kittli A. Nützel, 2007 † - (PROTORCULIDAE) (FOSSIL)
- Kittlia, syn of: Genus Ptychostoma Tyzzer, 1930 † (PROSTYLIFERIDAE) (FOSSIL)
- Kittliconcha, Genus Kittliconcha Bonarelli, 1927 † (SETTSASSIIDAE) (FOSSIL)
- KITTLIDISCIDAE Cox, 1960 † - Family (GASTROPODA-VETIGASTROPODA [Subclass]-PLEUROTOMARIOIDEA [Superfamily]) (FOSSIL)
- Kittlidiscus, Genus Kittlidiscus Haas, 1953 † (KITTLIDISCIDAE) (FOSSIL)
- Kittlistylus, Genus Kittlistylus Haas , 1953 † (EULIMIDAE) (FOSSIL)
- Kittlitrochus, Genus Kittlitrochus Böhm, 1895 † (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- kiuchii, Cipangocharax kiuchii H. Minato & J.M. Abe, 1982 - (CYCLOPHORIDAE)
- kiusiuensis, Bithynia kiusiuensis Y. Hirase, 1927 - (BITHYNIIDAE)
- kiusiuensis, Aegista kiusiuensis H.A. Pilsbry, 1900 - (BRADYBAENIDAE)
- kiusiuensis, Donax kiusiuensis (H.A. Pilsbry, 1901) - (DONACIDAE)
- kiusiuensis, Tentidonax kiusiuensis H.A. Pilsbry, 1901 - syn of: Donax kiusiuensis (H.A. Pilsbry, 1901) - (DONACIDAE)
- kiusiuensis, Truncatella kiusiuensis H.A. Pilsbry, 1902 - syn of: Truncatella pfeifferi E.C. Von Martens, 1860 - (TRUNCATELLIDAE)
- kiusiuensis oshimana, Aegista kiusiuensis oshimana H.A. Pilsbry & Y. Hirase, 1903 - (BRADYBAENIDAE)
- kiusiuensis tokunovaga, Aegista kiusiuensis tokunovaga H.A. Pilsbry & Y. Hirase, 1905 - (BRADYBAENIDAE)
- kivi, Serpho kivi (J.E. Gray, 1843) - (CHAROPIDAE)
- Kiviasukkaan, syn of: Genus Loxoplocus Fischer, 1885 † (LOPHOSPIRIDAE) (FOSSIL)
- kivitalonae, Tritonophon kivitalonae Peel, 1974 † - (PLECTONOTIDAE) (FOSSIL)
- kivuensis, Gabbiella humerosa kivuensis (E.C. Von Martens, 1879) - (BITHYNIIDAE)
- kivuensis, Cerastus kivuensis H.B. Preston, 1913 - syn of: Kempioconcha kivuensis (H.B. Preston, 1913) - (CERASTUIDAE)
- kivuensis, Tomichia kivuensis G. Mandahl-Barth, 1974 - (POMATIOPSIDAE)
- kivuensis, Kempioconcha kivuensis (H.B. Preston, 1913) - (SUBULINIDAE)
- kivuensis, Zonitarion kivuensis K.H.J. Thiele, 1911 - (UROCYCLIDAE)
- kivuensis, Verrucarion kivuensis G.A. de Mol, 1970 - (UROCYCLIDAE)
- kiwaensis, Veprichlamys kiwaensis Powell, 1939 - (PECTINIDAE)
- kiwawaensis, Myophorella kiwawaensis Cox, 1965 † - (MYOPHORELLIDAE) (FOSSIL)
- kiwi, Exilia kiwi Y.I. Kantor & P. Bouchet, 2001 - (PTYCHATRACTIDAE)
- kiwi, Euprotomus kiwi L. Bozzetti & D.M. Sargent, 2011 - (STROMBIDAE)
- kiyohimae, Epitonium kiyohimae T. Nakayama, 2000 - (EPITONIIDAE)
- kiyokoae, Kondoraphe kiyokoae W.J. Clench, 1940 - (NEOCYCLOTIDAE)
- kiyonoi, Trisidos kiyonoi (J. Makiyama, 1931) - (ARCIDAE)
- kiyonoi, Arca kiyonoi J. Makiyama, 1931 - syn of: Trisidos kiyonoi (J. Makiyama, 1931) - (ARCIDAE)
- kiyosumiensis, Nipponochloritis oscitans kiyosumiensis M. Azuma, 1982 - (CAMAENIDAE)
- kizakiensis, Odostomia kizakiensis M. Yokoyama, 1922 - (PYRAMIDELLIDAE)
- kizakikoensis, Valvata kizakikoensis T. Fujita & T. Habe, 1991 - syn of: Cincinna chishimana L.A. Prozorova & Y.I. Starobogatov, 1999 - (VALVATIDAE)
- kizildagensis, Metafruticicola kizildagensis B.A. Gümüs & E. Neubert, 2012 - (HYGROMIIDAE)
- kizinga, Marconia kizinga P. Tattersfield, 1999 - (STREPTAXIDAE)
- kjaerulfi, Holmiceras kjaerulfi (Brogger, 1882 †) - (LITUITIDAE) (FOSSIL)
- kjaerulfi, Tyrioceras kjaerulfi E. Strand, 1934 † - (SINOCERATIDAE) (FOSSIL)
- kjellerupi, Sarasinula kjellerupi C.G. Semper, 1885 - syn of: Sarasinula linguaeformis (C.G. Semper, 1885) - (VERONICELLIDAE)
- kjennerudae, Buccinum kjennerudae P. Bouchet & A. Warén, 1985 - (BUCCINIDAE)
- kjerulfi, Eotomaria kjerulfi E.F.R.K. Koken & J. Perner, 1925 † - (EOTOMARIIDAE) (FOSSIL)
- kjerulfi, Cyclolituites kjerulfi Sweet, 1958 † - (LITUITIDAE) (FOSSIL)
- kjerulfi, Holmiceras kjerulfi (Brogger, 1882 †) - (LITUITIDAE) (FOSSIL)
- kjerulfi, Tyrioceras kjerulfi E. Strand, 1934 † - syn of: Tyrioceras kjaerulfi E. Strand, 1934 † - (SINOCERATIDAE) (FOSSIL)
- Kjerulfonema, syn of: Genus Rhabdostropha Donald, 1905 † (LOXONEMATIDAE) (FOSSIL)
- kjoeriana, Corbula kjoeriana C.B. Adams, 1852 - syn of: Caryocorbula swiftiana (C.B. Adams, 1852) - (CORBULIDAE)
- klaarwateri, Megalacron klaarwateri (B. Rensch, 1931) - (CAMAENIDAE)
- Kladisoceras, Genus Kladisoceras † (DISCOSORIDA (UNASSIGNED)) (FOSSIL)
- klagenfurtensis, Belgrandiella klagenfurtensis M. Haase, 1994 - (HYDROBIIDAE)
- klaici, Gyromelania klaici (Š. Brusina, 1897 †) - (HYDROBIIDAE) (FOSSIL)
- klaici, Lymnaea klaici Š. Brusina, 1884 † - (LYMNAEIDAE) (FOSSIL)
- klamathense, Choristoceras klamathense Smith, 1927 † - (CHORISTOCERATIDAE) (FOSSIL)
- klamathensis, Worthenia klamathensis Smith, 1927 † - (LOPHOSPIRIDAE) (FOSSIL)
- klamathensis, Lanx klamathensis H.B. Hannibal, 1912 - (LYMNAEIDAE)
- klamathensis, Maclurites klamathensis Rohr, 1980 † - (MACLURITIDAE) (FOSSIL)
- klamathensis, Vorticifex effusa klamathensis H.B. Baker, 1945 - (PLANORBIDAE)
- klamathensis, Otoscaphites klamathensis Anderson, 1902 † - (SCAPHITIDAE) (FOSSIL)
- klamathensis, Fagesia klamathensis Anderson, 1958 † - (VASCOCERATIDAE) (FOSSIL)
- klamathensis sinitsini, Parapholyx klamathensis sinitsini H.B. Baker, 1945 - syn of: Vorticifex effusa sinitsini H.B. Baker, 1945 - (PLANORBIDAE)
- klamathicus, Vespericola klamathicus B. Roth & W.B. Miller, 1995 - (POLYGYRIDAE)
- Klamathites, Genus Klamathites Smith , 1927 † (KLAMATHITIDAE) (FOSSIL)
- KLAMATHITIDAE Tozer, 1994 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-PINACOCERATOIDEA [Superfamily]) (FOSSIL)
- klamathonis, Nowakites klamathonis Anderson, 1958 † - (PACHYDISCIDAE) (FOSSIL)
- klappenbachi, Trichohelicina klappenbachi W.K. Weyrauch, 1966 - (HELICINIDAE)
- klappenbachi, Megalobulimus klappenbachi J.L.M. Leme, 1954 - (MEGALOBULIMIDAE)
- klappenbachi, Olivella klappenbachi R.S. Absalão & A. Pimenta, 2003 - (OLIVELLIDAE)
- klappenbachi, Eupera klappenbachi M.C.D. Mansur & I.L. Veitenheimer-Mendes, 1975 - (SPHAERIIDAE)
- klapperi, Eoangyomphalus klapperi Blodgett & Johnson, 1992 † - (GOSSELETINIDAE) (FOSSIL)
- klaptoczi, Barcania klaptoczi (R. Sturany, 1908) - (CLAUSILIIDAE)
- klaptoczi, Cernuella klaptoczi R. Sturany - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- klaptoczi cristata, Barcania klaptoczi cristata R.A.M. Brandt, 1958 - (CLAUSILIIDAE)
- klaptoczi gahhami, Barcania klaptoczi gahhami R.A.M. Brandt, 1956 - (CLAUSILIIDAE)
- klaptoczi gambettae, Barcania klaptoczi gambettae R.A.M. Brandt, 1956 - (CLAUSILIIDAE)
- klaptoczi nagaensis, Barcania klaptoczi nagaensis R.A.M. Brandt, 1956 - (CLAUSILIIDAE)
- klasmidia, Agathotoma klasmidia D.R. Shasky, 1971 - (MANGELIIDAE)
- Klattea, syn of: Genus Parachondria W.H. Dall, 1905 (POMATIIDAE)
- klatteanus, Figuladra challisi klatteanus (J.C. Cox, 1873) - (CAMAENIDAE)
- klatteanus, Macroceramus klatteanus (T.B. Bland, 1875) - (UROCOPTIDAE)
- klausgrohi, Chloritis klausgrohi Thach & F. Huber, 2017 - (CAMAENIDAE)
- klausgrohi, Onoba klausgrohi W. Engl, 2011 - (RISSOIDAE)
- klebelsbergi, Nautilus klebelsbergi von Loesch, 1914 † - syn of: Pseudaganides klebelsbergi (von Loesch, 1914 †) - (NAUTILIDAE) (FOSSIL)
- klebelsbergi, Pseudaganides klebelsbergi (von Loesch, 1914 †) - (PSEUDONAUTILIDAE) (FOSSIL)
- Klebyella, Genus Klebyella Gründel, 1998 † (CHAROPIDAE) (FOSSIL)
- klecaki, Anodonta klecaki J.R. Bourguignat, 1881 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- klecakiana, Horatia klecakiana J.R. Bourguignat - (HYDROBIIDAE)
- klecakiana, Melanopsis klecakiana J.R. Bourguignat, 1880 † - (MELANOPSIDAE) (FOSSIL)
- kleciachi, Liburnica kleciachi (L. Pfeiffer, 1870) - (HELICIDAE)
- kleciachi, Lamellaria kleciachi Š. Brusina, 1866 - syn of: Berthella plumula (G. Montagu, 1803) - (VELUTINIDAE)
- kleciaki, Cochlostoma kleciaki (A. Braun, 1887) - (COCHLOSTOMATIDAE)
- kleciaki, Anodonta kleciaki H. Drouët, 1881 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- kleciaki arnautorum, Cochlostoma kleciaki arnautorum (A.J. Wagner, 1906) - (COCHLOSTOMATIDAE)
- kleckhamae, Barneystrombus kleckhamae (W.O. Cernohorsky, 1971) - (STROMBIDAE)
- kleckhamae boholensis, Barneystrombus kleckhamae boholensis H. Mühlhäusser, 1981 - syn of: Barneystrombus boholensis (H. Mühlhäusser, 1981) - (STROMBIDAE)
- kleemanni, Botula kleemanni P.H. Valentich-Scott, 2008 - (MYTILIDAE)
- kleemanni, Adula kleemanni M. Huber, 2010 - (MYTILIDAE)
- kleihegei, Domatoceras kleihegei A.K. Miller, J.H. Lane & A.G. Unklesbay, 1932 † - (GRYPOCERATIDAE) (FOSSIL)
- Kleinacteon, Genus Kleinacteon Vokes, 1939 † (CEPHALASPIDA (UNASSIGNED)) (FOSSIL)
- Kleinella, Genus Kleinella A. Adams, 1860 (PYRAMIDELLIDAE)
- kleinerae, Acutimitoceras kleinerae W. Korn, 1984 † - (GATTENDORFIIDAE) (FOSSIL)
- kleini, Duyeina kleini J.J. Vermeulen, 2005 † - (ANAHAMULINIDAE) (FOSSIL)
- kleini, Eotomaria kleini (Beushausen, 1884 †) - (EOTOMARIIDAE) (FOSSIL)
- kleini, Triptychia kleini Schnabel, 2006 † - (FILHOLIIDAE) (FOSSIL)
- kleini, Rahula kleini E. Gittenberger, Leda & Sherub, 2017 - (HELICARIONIDAE)
- kleini, Hegaratella kleini Hoedemaeker, 2016 † - (NEOCOMITIDAE) (FOSSIL)
- kleini, Gyraulus kleini (F. Gottschick & W.A. Wenz, 1916 †) - (PLANORBIDAE) (FOSSIL)
- kleiniana, Poiretia kleiniana Pilsbry, 1909 † - (SPIRAXIDAE) (FOSSIL)
- kleiniana, Quincuncina kleiniana I. Lea, 1832 - syn of: Amphinaias infucata (T.A. Conrad, 1834) - (UNIONIDAE)
- kleinii, Leucochroopsis kleinii (Klein, 1846) † - (HYGROMIIDAE) (FOSSIL)
- kleinii, Melanopsis kleinii Kurr, 1856 † - (MELANOPSIDAE) (FOSSIL)
- kleinii valentinensis, Melanopsis kleinii valentinensis C.F. Fontannes, 1881 † - (MELANOPSIDAE) (FOSSIL)
- kleinoichingensis, Otomphalus kleinoichingensis F. Traub, 1979 † - (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- kleinrosa, Miraclathurella kleinrosa G.W. Nowell-Usticke, 1969 - (PSEUDOMELATOMIDAE)
- kleinzellensis, Iglica kleinzellensis P.L. Reischütz, 1981 - (HYDROBIIDAE)
- kleistos, Nonorios kleistos Ebbestad & al., 2008 † - (PLATYCERATIDAE) (FOSSIL)
- Kleistoxyites, Genus Kleistoxyites Buckman, 1922 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- Kleistoxynoticeras, syn of: Genus Radstockiceras D'Orbigny, 1844 † (OXYNOTICERATIDAE) (FOSSIL)
- klemae, Klemaeconus klemae (B.C. Cotton, 1953) - (CONIDAE)
- Klemaeconus, Genus Klemaeconus J.K. Tucker & M.J. Tenorio, 2013 (CONIDAE)
- Klematosphinctes, Genus Klematosphinctes Buckman, 1922 † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- klemi, Callochiton klemi E.A. Ashby, 1926 - (CALLOCHITONIDAE)
- klemioides, Callochiton klemioides E.H.J. Leloup, 1937 - (CALLOCHITONIDAE)
- klemmantanica, Everettia klemmantanica G.P.L.K. Gude, 1918 - (DYAKIIDAE)
- klemmi, Agriolimax klemmi A.V. Grossu, 1972 - (AGRIOLIMACIDAE)
- klemmi, Chondrina klemmi C. Altimira, 1961 - syn of: Chondrina farinesii C. des Moulins, 1835 - (CHONDRINIDAE)
- klemmi, Albinaria klemmi O.E. Paget, 1971 - (CLAUSILIIDAE)
- klemmi, Strobeliella brembina klemmi (H. Nordsieck, 1966) - (CLAUSILIIDAE)
- klemmi, Medora stenostoma klemmi H. Nordsieck, 1970 - (CLAUSILIIDAE)
- klemmi, Montenegrina fuchsi klemmi R.A.M. Brandt, 1962 - (CLAUSILIIDAE)
- klemmi, Strobeliella whateliana klemmi (H. Nordsieck, 1966) - (CLAUSILIIDAE)
- klemmi, Herilla ziegleri klemmi H. Nordsieck, 1971 - (CLAUSILIIDAE)
- klemmi, Albinaria inchoata klemmi (H. Nordsieck, 1972) - (CLAUSILIIDAE)
- klemmi, Nematurella klemmi W.R. Schlickum, 1964 † - (HYDROBIIDAE) (FOSSIL)
- klemmi, Bythiospeum klemmi (H.D. Boeters, 1969) - (HYDROBIIDAE)
- klemmi, Plagigeyeria klemmi H. Schütt, 1961 - (HYDROBIIDAE)
- klemmi, Pagodulina klemmi E. Gittenberger & P. Subai, 1978 - (ORCULIDAE)
- klemmi, Sphyradium doliolum klemmi C. Altimira, 1959 - (ORCULIDAE)
- klemmi, Vitrea klemmi I. Pintér, 1972 - (PRISTILOMATIDAE)
- klemmi, Valvata klemmi H. Schütt, 1962 - (VALVATIDAE)
- klemmi, Truncatellina klemmi A. Zilch, 1960 - (VERTIGINIDAE)
- Klemmia, Genus Klemmia E. Gittenberger, 1969 (SPELAEODISCIDAE)
- klenei, Monoplex klenei (G.B. III Sowerby, 1889) - (RANELLIDAE)
- klenei, Cymatium klenei G.B. III Sowerby, 1889 - syn of: Monoplex klenei (G.B. III Sowerby, 1889) - (RANELLIDAE)
- Kleokyphus, Genus Kleokyphus G.A. Solem, 1976 (ENDODONTIDAE)
- kleppi, Calliostoma kleppi C. Nielsen & al., 2004 † - (CALLIOSTOMATIDAE) (FOSSIL)
- klepton pseudodesjardini, Marginella klepton pseudodesjardini F. Mattavelli, 2011 - syn of: Marginella pseudodesjardini R. Le Béon, 2012 - (MARGINELLIDAE)
- kleptuzica, Bythinella kleptuzica P. Glöer & D.G. Georgiev, 2011 - (BYTHINELLIDAE)
- klerici, Melanopsis klerici Š. Brusina, 1893 † - (MELANOPSIDAE) (FOSSIL)
- kletti, Pseudanodonta kletti E.A. Rossmässler, 1835 - syn of: Pseudanodonta complanata (E.A. Rossmässler, 1835) - (UNIONIDAE)
- kletzi, Aphanaia kletzi Biakov, 2015 † - (ATOMODESMATIDAE) (FOSSIL)
- klietmanni, Cyclothyrella klietmanni (T.A. Neubauer in T.A. Neubauer & al., 2011 †) - (HYDROBIIDAE) (FOSSIL)
- klikai, Canalicia klikai (J.F. Babor, 1897 †) - (CLAUSILIIDAE) (FOSSIL)
- Klikia, Genus Klikia Pilsbry, 1895 † (HELICIDAE) (FOSSIL)
- klimakomphalum, Pseudaptetoceras klimakomphalum (Vacek, 1886 †) - (HAMMATOCERATIDAE) (FOSSIL)
- klimakomphalum discoidale, Pseudaptetoceras klimakomphalum discoidale Westermann, 1969 † - (HAMMATOCERATIDAE) (FOSSIL)
- klimakota, Mangelia klimakota J. Gardner, 1937 † - (MANGELIIDAE) (FOSSIL)
- klimovi, Metalegoceras klimovi Ruzhentsev, 1956 † - (METALEGOCERATIDAE) (FOSSIL)
- klineae, Cerion klineae W.J. Clench, 1961 - (CERIONIDAE)
- klineorum, Canarium klineorum R.T. Abbott, 1960 - (STROMBIDAE)
- klingeri, Idanoceras klingeri Henderson & McKenzie, 2002 † - (LABECERATIDAE) (FOSSIL)
- klinghardti, Sabinia klinghardti Boehm, 1927 † - syn of: Pseudosabinia klinghardti (Boehm, 1927 †) - (HIPPURITIDA (unassigned)) (FOSSIL)
- klinghardti, Pseudosabinia klinghardti (Boehm, 1927 †) - (RADIOLITIDAE) (FOSSIL)
- klinghardti, Streptosiphon klinghardti Bohm, 1926 † - (TURBINELLIDAE) (FOSSIL)
- Klinghardtites, Genus Klinghardtites Lupu, 1971 † (HIPPURITIDA (UNASSIGNED)) (FOSSIL)
- kliniensis, Cincinna kliniensis (K.O. Milaschewitsch, 1881) - (VALVATIDAE)
- klinti, Astarte klinti G. Høpner Petersen, 2001 - syn of: Astarte montagui (L.W. Dillwyn, 1817) - (ASTARTIDAE)
- klipparti, Soleniscus klipparti F.B. Meek, 1871 † - (SOLENISCIDAE) (FOSSIL)
- klipparti, Sphaerodoma klipparti Morningstar, 1922 † - (SPHAERODOMIDAE) (FOSSIL)
- klippsteinii, Lentipleura klippsteinii (G.A. Goldfuss, 1844 †) - (GOSSELETINIDAE) (FOSSIL)
- klipsteini, Arcestes klipsteini Mojsisovics, 1875 † - syn of: Joannites joannisaustriae (Klipstein, 1843 †) - (ARCESTIDAE) (FOSSIL)
- klipsteini, Cerithium klipsteini O.G. Michelotti, 1847 † - syn of: Gourmya tuberosa (J.P.S. Grateloup, 1847 †) - (CERITHIIDAE) (FOSSIL)
- klipsteini, Barrancyloceras klipsteini (Uhlig, 1888 †) - (CRIOCERATITIDAE) (FOSSIL)
- klipsteini, Dentalium klipsteini E.A.L. Kittl, 1891 † - (DENTALIIDAE) (FOSSIL)
- klipsteini, Joannites klipsteini (Mojsisovics, 1875 †) - (JOANNITIDAE) (FOSSIL)
- klipsteini, Lima klipsteini A.E.M. Cossmann & A. Lambert, 1884 † - (LIMIDAE) (FOSSIL)
- klipsteini, Litiopa klipsteini A.E.M. Cossmann, 1882 † - (LITIOPIDAE) (FOSSIL)
- klipsteini, Trematodiscus klipsteini Mojsisovics, 1882 † - (NAUTILIDA (UNASSIGNED)) (FOSSIL)
- klipsteini, Nautilus klipsteini Mojsisovics, 1882 † - syn of: Germanonautilus klipsteini (Mojsisovics, 1882 †) - (NAUTILIDAE) (FOSSIL)
- klipsteini, Kokenella klipsteini E.A.L. Kittl, 1891 † - (PORCELLIIDAE) (FOSSIL)
- klipsteini, Germanonautilus klipsteini (Mojsisovics, 1882 †) - (TAINOCERATIDAE) (FOSSIL)
- Klipsteinia, Genus Klipsteinia Mojsisovics , 1892 † (ARPADITIDAE) (FOSSIL)
- klishevichi, Paranowakia klishevichi Alberti, 1993 † - (PARANOWAKIIDAE) (FOSSIL)
- klissurica, Ena monticola klissurica R.A. Bank & H.P.M.G. Menkhorst, 1992 - (ENIDAE)
- klitschi, Pugnellus klitschi S. Kiel & K. Bandel, 1999 † - (PUGNELLIDAE) (FOSSIL)
- kljasmensis, Amaurotoma kljasmensis V.N. Sinelnikova, 1970 † - (MICRODOMATIDAE) (FOSSIL)
- kljasmiensis, Falsataphrus kljasmiensis (Gerasimov, 1992 †) - (ATAPHRIDAE) (FOSSIL)
- kljasmiensis, Novlepatella kljasmiensis Y.I. Starobogatov & Mazaev, 1999 † - (DAMILINIDAE) (FOSSIL)
- kljutschiense, Keenocardium kljutschiense (Krishtofovich, 1969 †) - (CARDIIDAE) (FOSSIL)
- klobukowskii, Discotropis klobukowskii (Mansuy, 1912 †) - (EUOMPHALIDAE) (FOSSIL)
- klongsangensis, Plectostoma klongsangensis (S. Panha, 1997) - (DIPLOMMATINIDAE)
- klongsangensis, Opisthostoma klongsangensis S. Panha, 1997 - syn of: Plectostoma klongsangensis (S. Panha, 1997) - (DIPLOMMATINIDAE)
- kloosi, Paolaura kloosi L. Bozzetti, 2009 - (MARGINELLIDAE)
- klostermanni, Coralliophila klostermanni Wienrich, 2001 † - (MURICIDAE) (FOSSIL)
- klouceki, Cymbularia klouceki Horný, 1997 † - (BELLEROPHONTIDAE) (FOSSIL)
- klucharevae, Acroloxus klucharevae N.D. Kruglov & Y.I. Starobogatov, 1991 - (ACROLOXIDAE)
- klucharevae, Casertiana klucharevae Y.I. Starobogatov & L.L. Budnikova, 1985 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- klucharevae, Cincinna klucharevae Y.I. Starobogatov in Y.I. Starobogatov & F. Zatrawkin, 1985 - (VALVATIDAE)
- klugi, Barcania klugi R.A.M. Brandt, 1956 - (CLAUSILIIDAE)
- klugi, Itimaspira klugi Heidelberger & al., 2009 † - (LOPHOSPIRIDAE) (FOSSIL)
- klugi, Hemiprionites klugi Brayard & Bucher, 2008 † - (PRIONITIDAE) (FOSSIL)
- klugi streyi, Barcania klugi streyi R.A.M. Brandt, 1958 - (CLAUSILIIDAE)
- Klugites, Genus Klugites Becker, 2015 † (MIMOCERATIDAE) (FOSSIL)
- klunzingeri, Epitonium klunzingeri (S. Clessin, 1897) - (EPITONIIDAE)
- klunzingeri, Gastrocopta klunzingeri (C.F. Jickeli, 1873) - (GASTROCOPTIDAE)
- klushaensis, Filamussium klushaensis (Lees 1934) † - (PROPEAMUSSIIDAE) (FOSSIL)
- kluthi, Crassispira kluthi H.K. Jordan, 1936 - (PSEUDOMELATOMIDAE)
- klyazmaensis, Stegocoelia klyazmaensis Mazaev, 2001 † - (GONIASMATIDAE) (FOSSIL)
- klytios, Vexillum klytios H. Turner, 2008 - (COSTELLARIIDAE)
- kmagha, Turbonilla kmagha A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- kmeriana, Paludina kmeriana (L.J. Morlet, 1890) - (VIVIPARIDAE)
- kmeriana, Paludina kmeriana P.M.A. Morelet, 1890 - syn of: Paludina kmeriana (L.J. Morlet, 1890) - (VIVIPARIDAE)
- kmeriana, Mekongia swainsoni kmeriana (G. von dem Busch, 1844) - (VIVIPARIDAE)
- knaeckei, Redstonia knaeckei Rogalla & Amler, 2006 † - (PSEUDOBIGALEAIDAE) (FOSSIL)
- knappi, Mytilarca knappi J.W. Hall, 1884 † - (AMBONYCHIIDAE) (FOSSIL)
- knappi, Winchelloceras knappi Work & Mason, 2004 † - (GIRTYOCERATIDAE) (FOSSIL)
- knappiana, Rimella knappiana C.J. Maury, 1912 † - (RIMELLIDAE) (FOSSIL)
- knappianum, Ptychodesma knappianum J.W. Hall & R.P. Whitfield, 1872 † - (CYRTODONTIDAE) (FOSSIL)
- knechti, Extranodites knechti Jeannet, 1951 † - (ASPIDOCERATIDAE) (FOSSIL)
- knechti, Dieneroceras knechti A. Hyatt & Smith, 1905 † - syn of: Dieneroceras dieneri (A. Hyatt & Smith, 1905 †) - (COLUMBITIDAE) (FOSSIL)
- knechti, Lecanites knechti A. Hyatt & Smith, 1905 † - syn of: Dieneroceras dieneri (A. Hyatt & Smith, 1905 †) - (LECANITIDAE) (FOSSIL)
- knechti, Subbonarellia knechti Jeannet, 1951 † - (OPPELIIDAE) (FOSSIL)
- Knefastia, Genus Knefastia W.H. Dall, 1919 (PSEUDOMELATOMIDAE)
- Knemiceras, Genus Knemiceras Böhm , 1898 † (KNEMICERATIDAE) (FOSSIL)
- KNEMICERATIDAE Hyatt, 1903 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-ENGONOCERATOIDEA [Superfamily]) (FOSSIL)
- knidirii, Heideella knidirii M. Ghamizi, 1998 - (HYDROBIIDAE)
- Knightella, Genus Knightella Longstaff, 1933 † (ORTHONEMIDAE) (FOSSIL)
- knighteni, Oregoniceras knighteni Anderson 1902 † - syn of: Subprionocyclus neptuni (H.B. Geinitz, 1849 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- knighteni, Schloenbachia knighteni Anderson 1902 † - syn of: Subprionocyclus neptuni (H.B. Geinitz, 1849 †) - (SCHLOENBACHIIDAE) (FOSSIL)
- knighti, Stenothecoides knighti E.L. Yochelson, 1968 † - (CAMBRIDIIDAE) (FOSSIL)
- knighti, Donaldina knighti Erwin, 1988 † - (DONALDINIDAE) (FOSSIL)
- knighti, Endoceras knighti Ulrich & al., 1944 † - (ENDOCERATIDAE) (FOSSIL)
- knighti, Stegocoelia knighti (Licharev, 1975 †) - (GONIASMATIDAE) (FOSSIL)
- knighti, Baylea knighti Weller, 1929 † - (GOSSELETINIDAE) (FOSSIL)
- knighti, Chauliochiton knighti Hoare & Smith, 1984 † - (LEPTOCHITONIDAE) (FOSSIL)
- knighti, Loxonema knighti E.L. Yochelson, 1962 † - syn of: Pseudozygopleura knighti (E.L. Yochelson, 1962 †) - (LOXONEMATIDAE) (FOSSIL)
- knighti, Bamyaniceras knighti (Miller & Furnish, 1940 †) - (MEDLICOTTIIDAE) (FOSSIL)
- knighti, Meekospira knighti Winters, 1963 † - (MEEKOSPIRIDAE) (FOSSIL)
- knighti, Amaurotoma knighti Elias, 1958 † - (MICRODOMATIDAE) (FOSSIL)
- knighti, Orthonema knighti Batten, 1985 † - (ORTHONEMATIDAE) (FOSSIL)
- knighti, Fasciculiconcha knighti Newell, 1938 † - (PECTINIDA (UNASSIGNED)) (FOSSIL)
- knighti, Pseudozygopleura knighti (E.L. Yochelson, 1962 †) - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- knighti, Hyphantozyga knighti Hoare & Sturgeon, 1980 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- knighti, Cyclozyga knighti Licharev, 1975 † - syn of: Stegocoelia knighti (Licharev, 1975 †) - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- knighti, Dunbarella knighti Newell, 1938 † - (PTERINOPECTINIDAE) (FOSSIL)
- knighti, Metacoceras knighti Miller & A. Thomas, 1936 † - (TAINOCERATIDAE) (FOSSIL)
- knighti, Retipilina knighti (Horný, 1956 †) - (TRYBLIDIIDAE) (FOSSIL)
- knighti, Tubina knighti Horný, 1992 † - (TUBINIDAE) (FOSSIL)
- knighti, Melo amphora knighti B.D. Jackson, 1954 - (VOLUTIDAE)
- Knightia, syn of: Genus Knightella Longstaff, 1933 † (ORTHONEMIDAE) (FOSSIL)
- Knightinella, Genus Knightinella Licharev, 1975 † (MICRODOMATIDAE) (FOSSIL)
- Knightites, Genus Knightites Moore, 1941 † (KNIGHTITIDAE) (FOSSIL)
- KNIGHTITIDAE Knight, 1956 † - Family (GASTROPODA-AMPHIGASTROPODA [Subclass]-BELLEROPHONTIDA [Order]-BELLEROPHONTOIDEA [Superfamily]) (FOSSIL)
- Knightoceras, Genus Knightoceras Miller & Owen, 1934 † (KONINCKIOCERATIDAE) (FOSSIL)
- Knightoconus, Genus Knightoconus Yochelson & al., 1973 † (HYPSELOCONIDAE) (FOSSIL)
- knikerae, Adkinsia knikerae A.T. Young, 1979 † - (FLICKIIDAE) (FOSSIL)
- knipensis, Cerion uva knipensis F.C. Baker, 1914 - (CERIONIDAE)
- knipovitchi, Filippovia knipovitchi (Y.A. Filippova, 1972) - (ONYCHOTEUTHIDAE)
- knipovitchi, Onykia knipovitchi Y.A. Filippova, 1972 - syn of: Filippovia knipovitchi (Y.A. Filippova, 1972) - (ONYCHOTEUTHIDAE)
- knipowitchi, Caspia knipowitchi M. Makarov, 1938 - (HYDROBIIDAE)
- knipowitschi, Monodacna knipowitschi (B.M. Logvinenko & Y.I. Starobogatov, 1966) - (CARDIIDAE)
- knipowitschii, Clathrocaspia knipowitschii Makarov, 1938 - (HYDROBIIDAE)
- knitteli, Helix knitteli J.R. Bourguignat - syn of: Arianta arbustorum (C. Linnaeus, 1758) - (HELICIDAE)
- knockeri, Acteocina knockeri (E.A. Smith, 1872) - (ACTEOCINIDAE)
- knockeri, Crassatella knockeri E.A. Smith, 1881 - syn of: Crassatina paeteli (H. von Maltzan, 1885) - (CRASSATELLIDAE)
- knockeri, Hastula knockeri (E.A. Smith, 1872) - (TEREBRIDAE)
- knockeri, Protoma knockeri W. Baird, 1870 - (TURRITELLIDAE)
- knodi, Paraprothyris knodi A.H. Clarke, 1913 † - (PHOLADOMYOIDEA (UNASSIGNED)) (FOSSIL)
- knodi, Prothyris knodi Clarke 1913 † - (PROTHYRIDAE) (FOSSIL)
- knopi, Leucotina knopi G.T. Poppe & S.P. Tagaro, 2010 - (AMATHINIDAE)
- knorr, Striopulsellum knorr V. Scarabino & F. Scarabino, 2011 - (PULSELLIDAE)
- knorri, Bulimus knorri L. Pfeiffer in R.A. Philippi, 1846 - syn of: Drymaeus trigonostomus (I.H. Jonas, 1844) - (BULIMULIDAE)
- knorri, Neritina pulligera knorri C.A. Récluz, 1841 - (NERITIDAE)
- knorri, Kaneconcha knorri A. Kaim, B.E. Tucholke & A. Warén, 2012 † - (PROVANNIDAE) (FOSSIL)
- knorri guttulatus, Drymaeus knorri guttulatus L.W. Schaufuss, 1881 - syn of: Drymaeus trigonostomus (I.H. Jonas, 1844) - (BULIMULIDAE)
- knorri modesta, Drymaeus knorri modesta L.W. Schaufuss, 1881 - syn of: Drymaeus trigonostomus (I.H. Jonas, 1844) - (BULIMULIDAE)
- knorri percomis, Drymaeus knorri percomis L.W. Schaufuss, 1881 - syn of: Drymaeus trigonostomus (I.H. Jonas, 1844) - (BULIMULIDAE)
- knorri quadrifasciatus, Drymaeus knorri quadrifasciatus L.W. Schaufuss, 1881 - syn of: Drymaeus trigonostomus (I.H. Jonas, 1844) - (BULIMULIDAE)
- knorri sexfasciatus, Drymaeus knorri sexfasciatus L.W. Schaufuss, 1881 - syn of: Drymaeus trigonostomus (I.H. Jonas, 1844) - (BULIMULIDAE)
- knorri tricolor, Drymaeus knorri tricolor L.W. Schaufuss, 1881 - syn of: Drymaeus trigonostomus (I.H. Jonas, 1844) - (BULIMULIDAE)
- knorrianus, Baculites knorrianus A.G. Desmarest, 1817 † - (BACULITIDAE) (FOSSIL)
- knorrii, Archachatina knorrii (I.H. Jonas, 1839) - (ACHATINIDAE)
- knorrii, Ampullaria knorrii R.A. Philippi, 1852 - syn of: Marisa cornuarietis (C. Linnaeus, 1758) - (AMPULLARIIDAE)
- knorrii, Leucozonia knorrii G.P. Deshayes in G.P. Deshayes & H. Milne-Edwards, 1843 - syn of: Leucozonia nassa (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- knorrii, Terebra knorrii J.E. Gray, 1834 - syn of: Oxymeris chlorata (J.B.P.A. Lamarck, 1822) - (TEREBRIDAE)
- knorrii, Turbinella knorrii G.P. Deshayes, 1843 - syn of: Leucozonia nassa (J.F. Gmelin, 1791) - (TURBINELLIDAE)
- knorrii, Vermicularia knorrii (G.P. Deshayes, 1843) - (TURRITELLIDAE)
- knorrii, Vermetus knorrii G.P. Deshayes, 1843 - syn of: Vermicularia knorrii (G.P. Deshayes, 1843) - (VERMETIDAE)
- knorringfjelletensis, Hyalogyrina knorringfjelletensis Kaim, Hryniewic, Little & Nakrem, 2017 † - (HYALOGYRINIDAE) (FOSSIL)
- Knoutsodonta, Genus Knoutsodonta Hallas & Gosliner, 2015 (ONCHIDORIDIDAE)
- knowltoni, Ficus knowltoni G.B. Campbell, 1961 † - (FICIDAE) (FOSSIL)
- knowltoni, Juvavites knowltoni Smith, 1927 † - (JUVAVITIDAE) (FOSSIL)
- knowltoni, Tancredia knowltoni Stanton, 1899 † - (TANCREDIIDAE) (FOSSIL)
- knoxense, Pseudorthoceras knoxense (McChesney, 1859 †) - (PSEUDORTHOCERATIDAE) (FOSSIL)
- knoxensis, Anguispira knoxensis H.A. Pilsbry, 1899 - (DISCIDAE)
- knoxi, Nototeredo knoxi (P. Bartsch, 1917) - (TEREDINIDAE)
- knoxi, Stiracolpus knoxi J. Marwick, 1957 - syn of: Stiracolpus pagoda (L.A. Reeve, 1849) - (TURRITELLIDAE)
- knoxi, Zeacolpus knoxi J. Marwick, 1957 - syn of: Stiracolpus pagoda (L.A. Reeve, 1849) - (TURRITELLIDAE)
- knoxi, Alcithoe knoxi (R.K. Dell, 1956) - (VOLUTIDAE)
- knoxi tardior, Zeacolpus knoxi tardior J. Marwick, 1957 - syn of: Stiracolpus pagoda (L.A. Reeve, 1849) - (TURRITELLIDAE)
- knoxi tardior, Stiracolpus knoxi tardior J. Marwick, 1957 - syn of: Stiracolpus pagoda (L.A. Reeve, 1849) - (TURRITELLIDAE)
- knoxiana, Juliacorbula knoxiana C.B. Adams, 1852 - syn of: Juliacorbula aequivalvis (R.A. Philippi, 1836) - (CORBULIDAE)
- knoxiana, Corbula knoxiana C.B. Adams, 1852 - syn of: Juliacorbula aequivalvis (R.A. Philippi, 1836) - (CORBULIDAE)
- knoxsense, Pseudorthoceras knoxsense McChesney † - (PSEUDORTHOCERATIDAE) (FOSSIL)
- knoxvillensis, Cylindroteuthis knoxvillensis Anderson, 1945 † - (CYLINDROTEUTHIDIDAE) (FOSSIL)
- knoxvillensis, Lophospira knoxvillensis Ulrich & Scofield, 1897 † - syn of: Trochonemella knoxvillensis (Ulrich & Scofield, 1897 †) - (LOPHOSPIRIDAE) (FOSSIL)
- knoxvillensis, Maclurites knoxvillensis Ulrich & Scofield, 1897 † - (MACLURITIDAE) (FOSSIL)
- knoxvillensis, Lecanospira knoxvillensis Allen & Lester, 1954 † - (OPHILETIDAE) (FOSSIL)
- knoxvillensis, Trochonemella knoxvillensis (Ulrich & Scofield, 1897 †) - (TROCHONEMATIDAE) (FOSSIL)
- knudseni, Achatinella knudseni W. Newcomb - syn of: Kauaia knudseni (D.D. Baldwin, 1895) - (ACHATINELLIDAE)
- knudseni, Kauaia knudseni (D.D. Baldwin, 1895) - (AMASTRIDAE)
- knudseni, Bathyspinula knudseni (Z.A. Filatova, 1976) - (BATHYSPINULIDAE)
- knudseni, Calliloncha knudseni P. Bouchet & A. Warén, 1986 - (BUCCINIDAE)
- knudseni, Clavatula knudseni F. Nolf & J. Verstraeten, 2007 - (CLAVATULIDAE)
- knudseni, Conus knudseni F. Sander, 1982 - syn of: Sandericonus sanderi (E. Wils & R.G. Moolenbeek, 1979) - (CONIDAE)
- knudseni, Cardiomya knudseni (J.A. Allen & R.E. Morgan, 1981) - (CUSPIDARIIDAE)
- knudseni, Drillia knudseni D.L. Tippett, 2006 - (DRILLIIDAE)
- knudseni, Vitreolina knudseni P. Bouchet & A. Warén, 1986 - (EULIMIDAE)
- knudseni, Pleuropoma rotelloidea knudseni H.A. Pilsbry & C.M. Cooke, 1908 - (HELICINIDAE)
- knudseni, Limatula knudseni J. Stuardo, 1968 - syn of: Limatula siberutensis (K.H.J. Thiele, 1920) - (LIMIDAE)
- knudseni, Limopsis knudseni R.K. Dell, 1990 - (LIMOPSIDAE)
- knudseni, Coralliophila knudseni C. Smriglio & P. Mariottini, 2000 - (MURICIDAE)
- knudseni, Dacrydium knudseni J.A. Allen, 1998 - (MYTILIDAE)
- knudseni, Parayoldiella knudseni Z.A. Filatova & A.A. Schileyko, 1985 - (NUCULANIDAE)
- knudseni, Catillopecten knudseni (F.R. Bernard, 1978) - (PROPEAMUSSIIDAE)
- knudseni, Amphiplica knudseni J.H. McLean, 1988 - (PSEUDOCOCCULINIDAE)
- knudseni, Odostomella knudseni C.F.C. Schander, S. Hori & Lundberg, 1999 - (PYRAMIDELLIDAE)
- knudseni, Sepiola knudseni W. Adam, 1983 - (SEPIOLIDAE)
- knudseni, Terebra knudseni T. Bratcher, 1983 - (TEREBRIDAE)
- knudseni, Diplodonta knudseni M. Nicklés, 1955 - (UNGULINIDAE)
- knudseni, Pitar knudseni J. Poutiers, 1981 - syn of: Costellipitar manillae (G.B. II Sowerby, 1851) - (VENERIDAE)
- knudseni, Costellipitar knudseni J. Poutiers, 1981 - syn of: Costellipitar manillae (G.B. II Sowerby, 1851) - (VENERIDAE)
- knudseni, Wemersoniella knudseni V. Scarabino, 1995 - (WEMERSONIELLIDAE)
- knudseni, Xylophaga knudseni T.A. Okutani, 1975 - (XYLOPHAGAIDAE)
- knysnaense, Caecum knysnaense A. Vannozzi, M. Pizzini & B.K. Raines, 2015 - (CAECIDAE)
- knysnaensis, Hydrobia knysnaensis (C.F.F. von Krauss, 1848) - (HYDROBIIDAE)
- knysnaensis, Afrolittorina knysnaensis (C.F.F. von Krauss in R.A. Philippi, 1847) - (LITTORINIDAE)
- knysnaensis, Littorina knysnaensis C.F.F. von Krauss in R.A. Philippi, 1847 - syn of: Afrolittorina knysnaensis (C.F.F. von Krauss in R.A. Philippi, 1847) - (LITTORINIDAE)
- knysnaensis, Nodilittorina knysnaensis C.F.F. von Krauss in R.A. Philippi, 1847 - syn of: Afrolittorina knysnaensis (C.F.F. von Krauss in R.A. Philippi, 1847) - (LITTORINIDAE)
- knysnaensis, Littorina knysnaensis R.A. Philippi, 1847 - syn of: Afrolittorina knysnaensis (C.F.F. von Krauss in R.A. Philippi, 1847) - (LITTORINIDAE)
- knysnaensis, Turritella knysnaensis C.F.F. von Krauss, 1848 - (TURRITELLIDAE)
- koarana, Ruatara koarana G.A. Solem, 1976 - (ENDODONTIDAE)
- kobai, Astyris kobai A.N. Golikov & O.V. Kussakin, 1962 - (COLUMBELLIDAE)
- kobalkai, Bithynia kobalkai P. Glöer & J. Beckmann, 2007 - syn of: Bithynia kobialkai P. Glöer & J. Beckmann, 2007 - (BITHYNIIDAE)
- kobayashi, Teiichispira kobayashi E.L. Yochelson & Jones, 1968 † - syn of: Teiichispira zonata (O. Kobayashi, 1959 †) - (MACLURITIDAE) (FOSSIL)
- kobayashi, Hoffetrigonia kobayashi (Hoffet †) - (TRIGONIOIDIDAE) (FOSSIL)
- Kobayashiconcha, Genus Kobayashiconcha Frýda, 1998 † (PLEUROTOMARIOIDEA (UNASSIGNED)) (FOSSIL)
- Kobayashiella, Genus Kobayashiella Endo, 1937 † (ONYCHOCHILIDAE) (FOSSIL)
- kobayashii, Merica kobayashii (M. Yokoyama, 1927 †) - (CANCELLARIIDAE) (FOSSIL)
- kobayashii, Drillia kobayashii M. Yokoyama, 1928 † - syn of: Paradrillia kobayashii (M. Yokoyama, 1928 †) - (DRILLIIDAE) (FOSSIL)
- kobayashii, Paradrillia kobayashii (M. Yokoyama, 1928 †) - (HORAICLAVIDAE) (FOSSIL)
- kobayashii, Akiyoshia kobayashii J.T. Kuroda & T. Habe, 1958 - (HYDROBIIDAE)
- kobayashii, Mitra kobayashii M. Yokoyama, 1927 † - syn of: Merica kobayashii (M. Yokoyama, 1927 †) - (MITRIDAE) (FOSSIL)
- kobayashii, Vaugonia kobayashii Alencaster, 1963 † - (MYOPHORELLIDAE) (FOSSIL)
- kobayashii, Cellana kobayashii T. Kase, T. Nakano, Y. Kurihara & T. Haga, 2013 † - (NACELLIDAE) (FOSSIL)
- kobayashii, Labrocuspis kobayashii T. Kase & Nishida, 1986 † - (OMPHALOTROCHIDAE) (FOSSIL)
- kobayashii, Oxytoma kobayashii I. Hayami, 1959 † - (OXYTOMIDAE) (FOSSIL)
- kobayashii, Torinosucatella kobayashii (Tamura 1959) † - (PARALLELODONTIDAE) (FOSSIL)
- kobayashii, Pyramidula kobayashii J.T. Kuroda & M. Hukuda, 1944 - (PYRAMIDULIDAE)
- kobayashii, Myophorigonia kobayashii Tamura & McRoberts, 1993 † - (TRIGONIIDAE) (FOSSIL)
- Kobayashites, Genus Kobayashites Hayami, 1959 † (BAKEVELLIIDAE) (FOSSIL)
- Kobayshites, Genus Kobayshites † (PTERIIDA (UNASSIGNED)) (FOSSIL)
- kobelli, Hildoglochiceras kobelli (Oppel, 1863 †) - (HAPLOCERATIDAE) (FOSSIL)
- kobelli, Loxonema kobelli Klipstein, 1843 † - (LOXONEMATIDAE) (FOSSIL)
- kobelti, Limicolaria kobelti A. d'Ailly, 1896 - (ACHATINIDAE)
- kobelti, Renea kobelti (A.J. Wagner, 1910) - (ACICULIDAE)
- kobelti, Baicalancylus kobelti (W. Dybowski, 1885) - (ACROLOXIDAE)
- kobelti, Lanistes kobelti T. Pain, 1954 - syn of: Lanistes congicus O. Böttger, 1891 - (AMPULLARIIDAE)
- kobelti, Calocochlia kobelti O.F. von Möllendorff, 1890 - (BRADYBAENIDAE)
- kobelti, Buccinulum kobelti H. Strebel, 1905 - syn of: Meteuthria martensi (H. Strebel, 1905) - (BUCCINIDAE)
- kobelti, Volutopsius behringii kobelti W.H. Dall, 1902 - (BUCCINIDAE)
- kobelti, Cardium kobelti H. von Maltzan, 1885 - syn of: Europicardium serrulatum kobelti (H. von Maltzan, 1885) - (CARDIIDAE)
- kobelti, Europicardium serrulatum kobelti (H. von Maltzan, 1885) - (CARDIIDAE)
- kobelti, Cerithium kobelti R.W. Dunker, 1877 - (CERITHIIDAE)
- kobelti, Pilsbrycharopa kobelti (O. Böttger, 1908) - (CHAROPIDAE)
- kobelti, Chondrina kobelti (C.A. Westerlund, 1878) - (CHONDRINIDAE)
- kobelti, Medora italiana kobelti H. Nordsieck, 1970 - (CLAUSILIIDAE)
- kobelti, Cryptazeca kobelti E. Gittenberger, 1983 - (COCHLICOPIDAE)
- kobelti, Obscurella kobelti A.J. Wagner, 1897 - syn of: Cochlostoma obscurum laburdense (L. de Folin & F. Bèrillon, 1877) - (COCHLOSTOMATIDAE)
- kobelti, Conus kobelti C.H.W.T. Löbbecke & W. Kobelt, 1882 - syn of: Rhizoconus hyaena (C.H. Hwass, 1792) - (CONIDAE)
- kobelti, Corbicula kobelti M. Yokoyama, 1922 † - syn of: Corbicula japonica T. Prime, 1864 - (CYRENIDAE) (FOSSIL)
- kobelti, Diplommatina kobelti H.A. Pilsbry, 1901 - (DIPLOMMATINIDAE)
- kobelti, Auriculinella kobelti A. Caruana Gatto, 1890 - syn of: Auriculinella bidentata (G. Montagu, 1808) - (ELLOBIIDAE)
- kobelti, Epitonium kobelti S. Clessin, 1897 - (EPITONIIDAE)
- kobelti, Epitonium kobelti C.F. Jickeli, 1880 - syn of: Cirsotrema fimbriolatum (J.C. Melvill, 1897) - (EPITONIIDAE)
- kobelti, Fusinus kobelti (W.H. Dall, 1877) - (FASCIOLARIIDAE)
- kobelti, Lepidotrichia kobelti (O.F. von Möllendorff, 1890) - (HELICARIONIDAE)
- kobelti, Eremina kobelti (C.A. Westerlund, 1844) - (HELICIDAE)
- kobelti, Lucidella kobelti A.J. Wagner, 1910 - (HELICINIDAE)
- kobelti, Acme kobelti A.J. Wagner, 1910 - syn of: Renea kobelti (A.J. Wagner, 1910) - (HYDROBIIDAE)
- kobelti, Georissa kobelti P.V. Gredler, 1902 - (HYDROCENIDAE)
- kobelti, Radix kobelti (Š. Brusina, 1884 †) - (LYMNAEIDAE) (FOSSIL)
- kobelti, Bela kobelti T.A. Verkrüzen, 1875 - syn of: Propebela arctica (A. Adams, 1855) - (MANGELIIDAE)
- kobelti, Tandonia kobelti P. Hesse, 1882 - syn of: Tandonia sowerbyi (A.E.J. Férussac, 1823) - (MILACIDAE)
- kobelti, Aperostoma kobelti C. de la Torre, P. Bartsch & J.P.E. Morrison, 1942 - (NEOCYCLOTIDAE)
- kobelti, Oxychilus kobelti (W.A. Lindholm, 1910) - (OXYCHILIDAE)
- kobelti, Pomatias kobelti C.A. Westerlund, 1890 - syn of: Pomatias elegans (O.F. Müller, 1774) - (POMATIIDAE)
- kobelti, Eulimella kobelti (P. Dautzenberg, 1912) - (PYRAMIDELLIDAE)
- kobelti, Turbonilla kobelti P. Dautzenberg, 1912 - syn of: Eulimella kobelti (P. Dautzenberg, 1912) - (PYRAMIDELLIDAE)
- kobelti, Turritriton kobelti (H. von Maltzan, 1884) - (RANELLIDAE)
- kobelti, Cymatium kobelti H. von Maltzan, 1884 - syn of: Turritriton kobelti (H. von Maltzan, 1884) - (RANELLIDAE)
- kobelti, Succinea kobelti J. Hazay, 1881 - syn of: Succinella oblonga (J.P.R. Draparnaud, 1801) - (SUCCINEIDAE)
- kobelti, Unio kobelti W. Kobelt & H. Rolle, 1895 - syn of: Unio terminalis J.R. Bourguignat, 1852 - (UNIONIDAE)
- kobelti, Anodonta kobelti H.F.A. von Ihering, 1893 - syn of: Sinanodonta woodiana (I. Lea, 1834) - (UNIONIDAE)
- kobelti, Unio kobelti M. von Neumayr, 1899 - syn of: Nodularia douglasiae (J.E. Gray in E. Griffith & E. Pidgeon, 1834) - (UNIONIDAE)
- kobelti, Zonites kobelti O. Böttger, 1898 - (ZONITIDAE)
- kobelti, Schistophallus kobelti W.A. Lindholm, 1910 - syn of: Oxychilus kobelti (W.A. Lindholm, 1910) - (ZONITIDAE)
- kobelti albanica, Renea kobelti albanica H.D. Boeters, E. Gittenberger & P. Subai, 1989 - (ACICULIDAE)
- Kobeltia, Subgenus Arion (Kobeltia) H. Seibert, 1873 (ARIONIDAE)
- kobeltiana, Parabaicalia kobeltiana (W.A. Lindholm, 1909) - (AMNICOLIDAE)
- kobeltiana, Arca kobeltiana H.A. Pilsbry, 1904 - syn of: Arca boucardi F.P. Jousseaume, 1894 - (ARCIDAE)
- kobeltiana, Siciliaria kobeltiana H.C. Küster, 1876 - (CLAUSILIIDAE)
- kobeltiana, Peristernia kobeltiana C.M. Tapparone-Canefri, 1879 - syn of: Peristernia zealandica (H.C. Küster & W. Kobelt, 1876) - (FASCIOLARIIDAE)
- kobeltiana, Helix kobeltiana M. Paulucci, 1881 - syn of: Cingulifera cingulatum carrarensis (P. von Ströbel, 1852) - (HELICIDAE)
- kobeltiana, Campylaea kobeltiana S. Clessin, 1887 - syn of: Faustina illyrica (G. Stabile, 1864) - (HELICIDAE)
- kobeltiana, Ricinula kobeltiana C.M. Tapparone-Canefri, 1880 - syn of: Pollia incarnata (G.P. Deshayes in E.S.J.L. de Laborde & M. Linant, 1834) - (MURICIDAE)
- kobeltiana, Spixia kobeltiana (A. Doering, 1880) - (ODONTOSTOMIDAE)
- kobeltiana, Anodonta kobeltiana G.B. Adami - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- kobeltianum, Penicillus kobeltianum C.H.W.T. Löbbecke, 1879 - syn of: Verpa penis (C. Linnaeus, 1758) - (PENICILLIDAE)
- kobeltianus, Unio kobeltianus F. Haas, 1913 - syn of: Unio arcuatus N.R. Bouchard-Chantereaux, 1838 - (UNIONIDAE)
- Kobeltocochlea, Genus Kobeltocochlea W.A. Lindholm, 1909 (LITHOGLYPHIDAE)
- kobeltoides, Chondrina kobeltoides E. Gittenberger, 1973 - (CHONDRINIDAE)
- Kobeltostylus, syn of: Genus Cyclophorus P.D. Montfort, 1810 (CYCLOPHORIDAE)
- kobensis, Aegista kobensis P.B. Schmacker & O. Böttger, 1890 - (BRADYBAENIDAE)
- kobensis, Stereophaedusa japonica kobensis (E.A. Smith, 1876) - (CLAUSILIIDAE)
- kobensis, Fruticocampylaea kobensis O. Böttger, 1883 - syn of: Fruticocampylaea narzanensis kobiensis (O. Böttger, 1883) - (HYGROMIIDAE)
- kobensis discus, Aegista kobensis discus H.A. Pilsbry & Y. Hirase, 1904 - (BRADYBAENIDAE)
- kobensis gotoensis, Aegista kobensis gotoensis H.A. Pilsbry & Y. Hirase, 1902 - (BRADYBAENIDAE)
- kobensis koshikijimana, Aegista kobensis koshikijimana H.A. Pilsbry & Y. Hirase, 1904 - (BRADYBAENIDAE)
- kobensis pertenuis, Aegista kobensis pertenuis H.A. Pilsbry & Y. Hirase, 1904 - (BRADYBAENIDAE)
- kobensis tsumiyamai, Aegista kobensis tsumiyamai J.T. Kuroda & T. Habe, 1951 - (BRADYBAENIDAE)
- kobialkai, Bithynia kobialkai P. Glöer & J. Beckmann, 2007 - (BITHYNIIDAE)
- kobiensis, Helix kobiensis O. Böttger, 1883 - syn of: Fruticocampylaea narzanensis kobiensis (O. Böttger, 1883) - (HELICIDAE)
- kobiensis, Fruticocampylaea kobiensis O. Böttger, 1883 - syn of: Fruticocampylaea narzanensis kobiensis (O. Böttger, 1883) - (HYGROMIIDAE)
- kobiensis, Fruticocampylaea narzanensis kobiensis (O. Böttger, 1883) - (HYGROMIIDAE)
- kobiensis, Loliolus kobiensis W.E. Hoyle, 1885 - syn of: Loliolus sumatrensis (A.V.M.D. D'Orbigny, 1835) - (LOLIGINIDAE)
- kobiensis, Sepia kobiensis W.E. Hoyle, 1885 - (SEPIIDAE)
- kobiensis fluxa, Helix kobiensis fluxa O.W. Von Rosen, 1914 - syn of: Fruticocampylaea narzanensis kobiensis (O. Böttger, 1883) - (HELICIDAE)
- kobiyamae, Hiatula kobiyamae (Kanno 1961) † - (PSAMMOBIIDAE) (FOSSIL)
- kobjakovae, Buccinum kobjakovae A.N. Golikov & B.I. Sirenko, 1988 - (BUCCINIDAE)
- kobjakovae, Tripoplax kobjakovae (A.M. Jakovleva, 1952) - (ISCHNOCHITONIDAE)
- kobjakovae kamtchatkana, Tripoplax kobjakovae kamtchatkana (B.I. Sirenko, 1975) - (ISCHNOCHITONIDAE)
- kobjumensis, Promyalina kobjumensis Truschelev, 1996 † - (MYALINIDAE) (FOSSIL)
- koboldi, Goniatites koboldi Ruprecht, 1937 † - (GONIATITIDAE) (FOSSIL)
- Kobyashiceras, Genus Kobyashiceras Niko & Shuji, 1998 † (ACTINOCERIDA (UNASSIGNED)) (FOSSIL)
- kobyi, Euaspidoceras kobyi Jeannet, 1951 † - (ASPIDOCERATIDAE) (FOSSIL)
- kobylkense, Paragastrioceras kobylkense Borissenkov, 2010 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
aaa
abx
ack
acy
adn
aer
afs
ajd
alc
alj
alu
amc
ams
and
anh
anp
anu
apl
arb
ard
arh
ars
asr
atl
atu
aus
aut
bab
baj
bao
bas
baw
bem
bes
bid
bim
bit
bli
bom
bos
bov
bre
bri
bry
bum
bys
caa
cak
cam
cao
cas
cau
cem
ces
che
chk
chy
cio
cle
cob
coh
com
con
coo
cos
cot
cre
cri
cru
cud
cuo
cuy
cym
daa
dam
dav
ded
dem
deo
det
dib
dih
dir
dit
dom
dos
duc
duq
eag
ecr
egg
elf
elp
enh
eov
erf
erz
eud
eus
exb
exl
exy
faa
fan
fat
fes
fim
fle
flu
fos
fre
fuf
fur
fut
gaa
gam
gav
geo
gie
gis
gle
glu
goo
gre
gru
gug
guz
haa
ham
has
heb
hem
hes
hif
his
hom
hou
hun
hye
iac
ilm
imt
ind
inf
ing
int
inu
irm
isp
jaa
jao
jaw
joi
juk
kaa
kao
kaz
kes
kio
koc
kot
kuk
laa
lad
laf
lan
las
lau
lec
leo
leq
lew
lim
lio
liu
loo
lub
lun
luv
maa
mad
mah
mam
mao
mas
mav
mee
mem
mes
mey
mid
min
mio
mit
moe
moo
mos
mum
mut
nab
nao
nav
nel
neq
nex
nih
niu
noe
nou
nue
oaf
obn
obu
oci
oke
olk
oos
orc
oro
osu
ove
paa
paf
pam
paq
pas
pau
pay
pem
pes
pfi
phl
pid
pio
ple
plo
pom
pos
pre
pro
pru
psi
pul
pum
pup
put
pys
qag
qub
rab
rah
ras
red
reh
reu
rhu
rin
roc
rot
rox
rue
ruh
ryd
saa
sai
san
sao
sav
sce
sci
scy
sem
sen
ses
shl
sih
sin
sio
smo
som
soy
sph
spj
sra
stg
sts
suc
sum
suv
szo
tab
tal
taq
tay
ten
teo
tes
tha
thl
tif
toc
tos
tre
trl
try
tuc
tus
uac
ume
uni
urd
vaa
vap
vas
vep
ves
vid
vip
vis
vob
vup
waa
wam
weg
who
wom
xac
yaa
yot
zaa
zem
zoo
|