- cheatumi, Tryonia cheatumi H.A. Pilsbry, 1935 - (COCHLIOPIDAE)
- cheatumi, Humboldtiana cheatumi H.A. Pilsbry, 1935 - (HUMBOLDTIANIDAE)
- cheatumi, Stenotrema cheatumi (W. Fullington, 1974) - (POLYGYRIDAE)
- cheatumi, Pseudosubulina cheatumi H.A. Pilsbry, 1950 - (SPIRAXIDAE)
- chebaensis, Zaibinkangia chebaensis (Z. Kang, 1986) - (POMATIOPSIDAE)
- Chebbioceras, Genus Chebbioceras Klug & al., 2008 † (ORTHOCERATIDAE) (FOSSIL)
- Chebbites, Genus Chebbites Klug , 2001 † (MIMOSPHINCTIDAE) (FOSSIL)
- Checchiaia, Genus Checchiaia Maxia, 1941 † (APORRHAIDAE) (FOSSIL)
- checchii, Sigaretotrema checchii E. Robba, Pedriali & E. Quaggiotto, 2016 † - (NATICIDAE) (FOSSIL)
- chechoi, Ithycythara chechoi J. Espinosa & J.A. Ortea, 2004 - (MANGELIIDAE)
- checknum, Clinopegma checknum R. Tiba, 1981 - (BUCCINIDAE)
- chedevillei, Apiotoma pyrulata chedevillei Pezant, 1909 † - (COCHLESPIRIDAE) (FOSSIL)
- Chedevillia, Genus Chedevillia Cossmann, 1906 † (ROSTELLARIIDAE) (FOSSIL)
- cheeneetnukensis, Odontomaria cheeneetnukensis Frýda & al., 2006 † - (GOSSELETINIDAE) (FOSSIL)
- cheeneetnukensis, Spinulrichospira cheeneetnukensis Blodgett & Rohr, 1989 † - (GOSSELETINIDAE) (FOSSIL)
- Cheeneetnukia, Genus Cheeneetnukia Blodgett & Cook, 2002 † (CHEENEETNUKIIDAE) (FOSSIL)
- CHEENEETNUKIIDAE Blodgett & Cook, 2002 † - Family (GASTROPODA-ORTHOGASTROPODA [Subclass]-MURCHISONIINA [Order]-MURCHISONIOIDEA [Superfamily]) (FOSSIL)
- cheesemani, Phenatoma cheesemani F.W. Hutton, 1882 - syn of: Phenatoma zealandica (E.A. Smith, 1877) - (BORSONIIDAE)
- cheesemani, Aphelodoris cheesemani C.N.E. Eliot, 1907 - syn of: Aphelodoris berghi N.H. Odhner, 1924 - (DORIDIDAE)
- cheesemani, Paratrophon cheesemani (F.W. Hutton, 1882) - (MURICIDAE)
- cheesemani, Phrixgnathus cheesemani (H.H. Suter, 1894) - (PUNCTIDAE)
- cheesemani, Laoma cheesemani H.H. Suter, 1894 - syn of: Phrixgnathus cheesemani (H.H. Suter, 1894) - (PUNCTIDAE)
- cheesemani, Siphonaria cheesemani W.R.B. Oliver, 1915 - syn of: Siphonaria raoulensis W.R.B. Oliver, 1915 - (SIPHONARIIDAE)
- cheesemani exsculptus, Paratrophon cheesemani exsculptus A.W.B. Powell, 1933 - (MURICIDAE)
- Cheetneetnukia, syn of: Genus Cheeneetnukia Blodgett & Cook, 2002 † (CHEENEETNUKIIDAE) (FOSSIL)
- CHEETNEETNUKIIDAE - syn of Family: CHEENEETNUKIIDAE (FOSSIL)
- cheeziana, Anodon cheeziana G.B. Sowerby, 1867 - syn of: Aspatharia chaiziana (P.C.A.S.L. Rang, 1835) - (UNIONIDAE)
- chefiae, Barleeia chefiae S. Gofas, 1995 - (BARLEEIIDAE)
- chefinesnoel, Aroapyrgus chefinesnoel E. Rolán, 2010 - (COCHLIOPIDAE)
- chefneuxi, Limicolaria chefneuxi J.R. Bourguignat, 1885 - (ACHATINIDAE)
- chefneuxi, Nitia chefneuxi (H. Neuville & J.G. Anthony, 1906) - (UNIONIDAE)
- chefyae, Clatrosansonia chefyae (E. Rolán, J. Espinosa & R. Fernández-Garcés, 1991) - (PICKWORTHIIDAE)
- chegarperahensis, Costatoria chegarperahensis Kobayashi & Tamura, 1968 † - (MYOPHORIIDAE) (FOSSIL)
- chehalisensis, Fusinus chehalisensis (C.S. Weaver, 1912 †) - (FASCIOLARIIDAE) (FOSSIL)
- chehalisensis, Glycymeris chehalisensis C.S. Weaver, 1916 † - (GLYCYMERIDIDAE) (FOSSIL)
- chehirensis, Melanopsis chehirensis P.M. Pallary, 1939 - (MELANOPSIDAE)
- chehirensis atra, Melanopsis chehirensis atra P.M. Pallary, 1939 - (MELANOPSIDAE)
- chehirensis exilis, Melanopsis chehirensis exilis P.M. Pallary, 1939 - (MELANOPSIDAE)
- chehirensis granifera, Melanopsis chehirensis granifera P.M. Pallary, 1939 - (MELANOPSIDAE)
- chehirensis producta, Melanopsis chehirensis producta P.M. Pallary, 1939 - (MELANOPSIDAE)
- cheikliensis, Helix cheikliensis A. Zilch, 1952 - (HELICIDAE)
- Cheila, syn of: Genus Cheilea Modeer, 1793 (HIPPONICIDAE)
- Cheilea, Genus Cheilea Modeer, 1793 (HIPPONICIDAE)
- Cheiloceras, Genus Cheiloceras Frech , 1897 † (CHEILOCERATIDAE) (FOSSIL)
- CHEILOCERATIDAE Frech, 1897 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-PRIONOCERATOIDEA [Superfamily]) (FOSSIL)
- cheilodontus, Cylindritopsis cheilodontus C. Gemmellaro, 1889 † - (SOLENISCIDAE) (FOSSIL)
- cheilogona, Leiostyla cheilogona (R.T. Lowe, 1831) - (LAURIIDAE)
- Cheilospicata, Genus Cheilospicata Hodgkinson, 1992 † (THECOSOMATA (UNASSIGNED)) (FOSSIL)
- cheilostoma, Merelina cheilostoma (J.E. Tenison-Woods, 1877) - (RISSOIDAE)
- cheilostoma, Merelina cheilostoma H.H. Suter, 1909 - syn of: Merelina plaga H.J. Finlay, 1926 - (RISSOIDAE)
- cheilostomus, Arcestes cheilostomus Mojsisovics, 1875 † - (ARCESTIDAE) (FOSSIL)
- cheilostropha, Entodina cheilostropha (A.V.M.D. D'Orbigny, 1835) - (SCOLODONTIDAE)
- Cheilotoma, Subgenus Murchisonia (Cheilotoma) Koken, 1889 † (MURCHISONIIDAE) (FOSSIL)
- cheilotoma, Orania cheilotoma (M. Hörnes & M. Auinger, 1890 †) - (MURICIDAE) (FOSSIL)
- Cheilotomona, Genus Cheilotomona Strand, 1928 † (MURCHISONIIDAE) (FOSSIL)
- cheilotomus, Cantharus cheilotomus (R. Hoernes, 1848 †) - (BUCCINIDAE) (FOSSIL)
- Cheiopteria, Genus Cheiopteria Pojeta & Kríž, 1976 † (CARDIOLIDAE) (FOSSIL)
- cheirae, Jovellania cheirae Kröger, 2008 † - (JOVELLANIIDAE) (FOSSIL)
- cheiranthicola, Discula cheiranthicola (R.T. Lowe, 1831) - (HYGROMIIDAE)
- cheiranthicola mustelina, Discula cheiranthicola mustelina (L.A. Reeve, 1854) - (HYGROMIIDAE)
- cheiranticola, Discula cheiranticola (R.T. Lowe, 1831) - (HYGROMIIDAE)
- cheiranticola mustelina, Discula cheiranticola mustelina T.V. Wollaston, 1878 - (HYGROMIIDAE)
- Cheirodonta, Genus Cheirodonta B.A. Marshall, 1983 (TRIPHORIDAE)
- chejensis, Yoldia chejensis Simonova, 1941 † - syn of: Yoldia chojensis Simonova, 1941 † - (YOLDIIDAE) (FOSSIL)
- chejsleveemensis, Tumidimytilus chejsleveemensis (Slodkewitsch, 1938 †) - (MYTILIDAE) (FOSSIL)
- chejsliensis, Keenocardium chejsliensis (V.N. Sinelnikova, 1990 †) - (CARDIIDAE) (FOSSIL)
- chejsliensis, Macoma chejsliensis V.N. Sinelnikova, 1990 † - (TELLINIDAE) (FOSSIL)
- chejsliensis, Pitar chejsliensis V.N. Sinelnikova, 1990 † - (VENERIDAE) (FOSSIL)
- chejsliensis, Yoldia chejsliensis Y.B. Gladenkov, 1990 † - (YOLDIIDAE) (FOSSIL)
- chejuense, Spirostoma japonica chejuense H.A. Pilsbry & Y. Hirase, 1908 - (CYCLOPHORIDAE)
- chejuensis, Aegista chejuensis H.A. Pilsbry & Y. Hirase, 1908 - (BRADYBAENIDAE)
- chekhovi, Maoritrigonia chekhovi Bychkov, 1985 † - (TRIGONIIDAE) (FOSSIL)
- chekiangensis, Palaeolima chekiangensis Ku & C. Chen, 1963 † - (LIMIDAE) (FOSSIL)
- Chekiangoceras, Genus Chekiangoceras Ruzhentsev , 1974 † (PARAGASTRIOCERATIDAE) (FOSSIL)
- chelata, Anabarella chelata Skovsted, 2006 † - (STENOTHECIDAE) (FOSSIL)
- chelazziana, Dinoplax chelazziana (A. Ferreira, 1983) - (CHAETOPLEURIDAE)
- Chelenassa, syn of: Genus Plicarcularia Thiele, 1929 (NASSARIIDAE)
- Cheletropis, Genus Cheletropis E. Forbes, 1852 (LIMACINIDAE)
- chelidon, Atys chelidon J.C. Melvill, 1912 - (HAMINOEIDAE)
- Chelidoneura, syn of: Subgenus Mutela (Chelidonopsis) C.M.F. Ancey, 1887 (IRIDINIDAE)
- Chelidonopsis, Subgenus Mutela (Chelidonopsis) C.M.F. Ancey, 1887 (IRIDINIDAE)
- Chelidonura, Genus Chelidonura A. Adams, 1850 (AGLAJIDAE)
- Chelidonusa, syn of: Genus Chelidonura A. Adams, 1850 (AGLAJIDAE)
- chelidromia, Isabellaria chelidromia (O. Böttger, 1889) - (CLAUSILIIDAE)
- chelidromia giurica, Isabellaria chelidromia giurica (O. Böttger, 1892) - (CLAUSILIIDAE)
- chelidromia piperica, Isabellaria chelidromia piperica (H. Nordsieck, 1984) - (CLAUSILIIDAE)
- chelina, Seguenzia chelina B.A. Marshall, 1983 - (SEGUENZIIDAE)
- Chelinodura, syn of: Genus Chelidonura A. Adams, 1850 (AGLAJIDAE)
- Chelinotus, Genus Chelinotus Bergh, 1853 † (VELUTINIDAE) (FOSSIL)
- Chelinotus, syn of: Genus Coriocella H.M.D. De Blainville, 1824 (VELUTINIDAE)
- Chellius, Genus Chellius Vargas-Almonacid & Stuardo, 2007 (CHAROPIDAE)
- Chelmastanites, Genus Chelmastanites Farsan, 1981 † (TENTACULITIDAE) (FOSSIL)
- Chelodes, Genus Chelodes Davidson & King, 1874 † (MATTHEVIIDAE) (FOSSIL)
- cheloma, Cymia cheloma W.P. Woodring, 1959 † - (MURICIDAE) (FOSSIL)
- chelonia, Pusia chelonia (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- chelonia, Mitra chelonia L.A. Reeve, 1845 - syn of: Pusia chelonia (L.A. Reeve, 1845) - (MITRIDAE)
- chelonia, Phos chelonia W.H. Dall, 1917 - syn of: Metaphos laevigatus (A. Adams, 1851) - (NASSARIIDAE)
- Cheloniceras, Genus Cheloniceras Hyatt , 1903 † (DOUVILLEICERATIDAE) (FOSSIL)
- chelonion, Mitromorpha chelonion R.N. Kilburn, 1986 - (MITROMORPHIDAE)
- chelonites, Rhytidopsis chelonites (J.C.H. Crosse, 1868) - (CHAROPIDAE)
- chelonites, Calyptraphorus chelonites White, 1887 † - (ROSTELLARIIDAE) (FOSSIL)
- Cheloteuthis, syn of: Genus Gonatus J.E. Gray, 1849 (GONATIDAE)
- cheloti, Praenatica cheloti (Oehlert, 1887 †) - (PLATYCERATIDAE) (FOSSIL)
- Chelotia, Genus Chelotia C.É. Bayle in P. Fischer, 1885 (PLEUROTOMARIIDAE)
- cheltensis, Isocyprina cheltensis L.R. Cox, 1947 † - (ARCTICIDAE) (FOSSIL)
- cheltiense, Crucilobiceras cheltiense Buckman, 1923 † - (EODEROCERATIDAE) (FOSSIL)
- cheltiense, Liparoceras cheltiense (Murchison, 1834 †) - (LIPAROCERATIDAE) (FOSSIL)
- Cheltonia, Genus Cheltonia Buckman, 1923 † (OXYNOTICERATIDAE) (FOSSIL)
- chelusii, Furloceras chelusii (Parisch & Viale, 1906 †) - (PHYMATOCERATIDAE) (FOSSIL)
- Chelyconus, Genus Chelyconus O.A.L. Mörch, 1852 (CONIDAE)
- Chelycypraea, Genus Chelycypraea F.A. Schilder, 1927 (CYPRAEIDAE)
- chelydea, Hygromia chelydea C.A. Westerlund, 1889 - syn of: Hygromia cinctella (J.P.R. Draparnaud, 1801) - (HYGROMIIDAE)
- Chelynotus, syn of: Genus Coriocella H.M.D. De Blainville, 1824 (VELUTINIDAE)
- Chelynotus, syn of: Genus Chelinotus Bergh, 1853 † (VELUTINIDAE) (FOSSIL)
- Chelyoconus, Subgenus Conus (Chelyoconus) Mörch, 1852 † (CONIDAE) (FOSSIL)
- Chelyonotus, syn of: Genus Coriocella H.M.D. De Blainville, 1824 (VELUTINIDAE)
- chemetschensis, Pitar chemetschensis L. Krishtofovich † - syn of: Pitar matsumotoi (T. Nagao, 1928 †) - (VENERIDAE) (FOSSIL)
- chemiana, Anodonta chemiana Y.Y. Liu, 1979 - syn of: Sinanodonta woodiana (I. Lea, 1834) - (UNIONIDAE)
- chemingensis equicostatus, Goniatites chemingensis equicostatus J.W. Hall, 1874 † - syn of: Schindewolfoceras equicostatum (J.W. Hall, 1874 †) - (GONIATITIDAE) (FOSSIL)
- chemintzi, Avicula chemintzi R.A. Philippi, 1849 - syn of: Pinctada chemnitzii (R.A. Philippi, 1849) - (PTERIIDAE)
- chemitzioides, Bulimulus chemitzioides (E. Forbes, 1850) - (BULIMULIDAE)
- chemnithiaeformis, Soleniscus chemnithiaeformis (C. Gemmellaro, 1889 †) - (SOLENISCIDAE) (FOSSIL)
- chemnithiaeformis, Macrochilina chemnithiaeformis C. Gemmellaro, 1889 † - syn of: Soleniscus chemnithiaeformis (C. Gemmellaro, 1889 †) - (SOLENISCIDAE) (FOSSIL)
- chemnitzi, Calliostoma chemnitzi R.A. Philippi, 1846 - syn of: Calliostoma zizyphinum conuloides (J.B.P.A. Lamarck, 1822) - (CALLIOSTOMATIDAE)
- chemnitzi, Dreissena chemnitzi C.A. Westerlund & M.Y. Blank, 1879 - syn of: Dreissena carinata (R.W. Dunker, 1853) - (DREISSENIDAE)
- chemnitzi, Cassidula chemnitzi H.H. Beck, 1837 - syn of: Cassidula aurisfelis (J.G. Bruguière, 1789) - (ELLOBIIDAE)
- chemnitzi elongata, Ostrea chemnitzi elongata A.W. Grabau & S.G. King, 1928 - syn of: Talonostrea talonata X.Z. Li & Z. Qi, 1994 - (OSTREIDAE)
- chemnitzia, Scalaronoba chemnitzia C.R. Laws, 1944 † - (ACLIDIDAE) (FOSSIL)
- Chemnitzia, Subgenus Turbonilla (Chemnitzia) D'Orbigny, 1839 (PYRAMIDELLIDAE)
- chemnitzia, Pusillina chemnitzia (C.R. Laws, 1948 †) - (RISSOIDAE) (FOSSIL)
- chemnitziana, Eburna chemnitziana G. Fischer von Waldheim, 1807 - syn of: Babylonia areolata (J.H.F. Link, 1807) - (ANCILLARIIDAE)
- chemnitziana, Babylonia chemnitziana G. Fischer von Waldheim, 1807 - syn of: Babylonia areolata (J.H.F. Link, 1807) - (BABYLONIIDAE)
- chemnitziana, Cavolinia chemnitziana C.A. Lesueur, 1813 - syn of: Cavolinia tridentata (P. Forsskål in C. Niebuhr, 1775) - (CAVOLINIIDAE)
- chemnitziana, Clypeomorus chemnitziana H.A. Pilsbry, 1901 - syn of: Clypeomorus petrosa chemnitziana (H.A. Pilsbry, 1901) - (CERITHIIDAE)
- chemnitziana, Clypeomorus petrosa chemnitziana (H.A. Pilsbry, 1901) - (CERITHIIDAE)
- chemnitziana, Corbicula chemnitziana T. Prime, 1867 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- chemnitziana, Gastrochaena chemnitziana D'Orbigny in R. de la Sagra, 1853 - syn of: Spengleria rostrata (L. Spengler, 1793) - (GASTROCHAENIDAE)
- chemnitziana, Spengleria chemnitziana D'Orbigny in R. de la Sagra, 1853 - syn of: Spengleria rostrata (L. Spengler, 1793) - (GASTROCHAENIDAE)
- chemnitziana, Perna chemnitziana A.V.M.D. D'Orbigny, 1853 - syn of: Isognomon bicolor (C.B. Adams, 1845) - (MYTILIDAE)
- chemnitziana, Perna chemnitziana A.V.M.D. D'Orbigny, 1853 - syn of: Isognomon bicolor (C.B. Adams, 1845) - (MYTILIDAE)
- chemnitziana, Isognomon chemnitziana A.V.M.D. D'Orbigny in R. de la Sagra, 1853 - syn of: Isognomon bicolor (C.B. Adams, 1845) - (PTERIIDAE)
- chemnitzianum, Pleurodonte chemnitzianum (L. Pfeiffer, 1846) - (PLEURODONTIDAE)
- chemnitzianum, Apoma chemnitzianum (A.E.J. Férussac, 1821) - (UROCOPTIDAE)
- chemnitzianus, Turbo radiatus chemnitzianus L.A. Reeve, 1848 - (TURBINIDAE)
- chemnitzii, Pomacea chemnitzii R.A. Philippi, 1852 - syn of: Pomacea lineata (J.B. von Spix, 1827) - (AMPULLARIIDAE)
- chemnitzii, Pomacea chemnitzii T. Pain, 1960 - syn of: Pomacea columbiensis (R.A. Philippi, 1851) - (AMPULLARIIDAE)
- chemnitzii, Solarium chemnitzii L.C. Kiener, 1838 - syn of: Heliacus infundibuliformis (J.F. Gmelin, 1791) - (ARCHITECTONICIDAE)
- chemnitzii, Anadara chemnitzii (R.A. Philippi, 1851) - (ARCIDAE)
- chemnitzii, Arca chemnitzii R.A. Philippi, 1851 - syn of: Anadara chemnitzii (R.A. Philippi, 1851) - (ARCIDAE)
- chemnitzii, Separatista chemnitzii A. Adams, 1850 - syn of: Separatista helicoides (J.F. Gmelin, 1791) - (CAPULIDAE)
- chemnitzii, Conus chemnitzii L.W. Dillwyn, 1817 - syn of: Rhizoconus rattus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- chemnitzii, Dreissena chemnitzii A.E.J. Férussac, 1835 - syn of: Dreissena polymorpha (P.S. Pallas, 1771) - (DREISSENIDAE)
- chemnitzii, Dreissena chemnitzii E.A. Rossmässler, 1835 - syn of: Dreissena polymorpha (P.S. Pallas, 1771) - (DREISSENIDAE)
- chemnitzii, Fusus chemnitzii H.E. Anton, 1838 - syn of: Buccinulum linea (T. Martyn, 1784) - (FASCIOLARIIDAE)
- chemnitzii, Medusafissurella chemnitzii (Sowerby, 1835) - (FISSURELLIDAE)
- chemnitzii, Tucetona chemnitzii W.H. Dall, 1909 - syn of: Tucetona strigilata (G.B. I Sowerby, 1833) - (GLYCYMERIDIDAE)
- chemnitzii, Glycymeris chemnitzii W.H. Dall, 1909 - syn of: Tucetona strigilata (G.B. I Sowerby, 1833) - (GLYCYMERIDIDAE)
- chemnitzii, Parahyotissa chemnitzii S.C.T. Hanley, 1846 - syn of: Dendostrea rosacea (G.P. Deshayes, 1836) - (GRYPHAEIDAE)
- chemnitzii, Mactra chemnitzii J.E. Gray, 1837 - syn of: Mactra antiquata L. Spengler, 1802 - (MACTRIDAE)
- chemnitzii, Lutraria chemnitzii R.A. Philippi, 1849 - syn of: Meropesta nicobarica (J.F. Gmelin, 1791) - (MACTRIDAE)
- chemnitzii, Eastonia chemnitzii R.A. Philippi, 1849 - syn of: Meropesta nicobarica (J.F. Gmelin, 1791) - (MACTRIDAE)
- chemnitzii, Marginella chemnitzii L.W. Dillwyn, 1817 - syn of: Glabella denticulata (J.H.F. Link, 1807) - (MARGINELLIDAE)
- chemnitzii, Glabella chemnitzii L.W. Dillwyn, 1817 - syn of: Glabella denticulata (J.H.F. Link, 1807) - (MARGINELLIDAE)
- chemnitzii, Mesodesma chemnitzii G.P. Deshayes, 1832 - syn of: Paphies australis (J.F. Gmelin, 1791) - (MESODESMATIDAE)
- chemnitzii, Paphies chemnitzii G.P. Deshayes, 1832 - syn of: Paphies australis (J.F. Gmelin, 1791) - (MESODESMATIDAE)
- chemnitzii, Modiola chemnitzii V.L.V. Potiez & A. Michaud, 1844 - syn of: Brachidontes modiolus (C. Linnaeus, 1767) - (MYTILIDAE)
- chemnitzii, Mytilus chemnitzii A.E.J. Férussac, 1835 - syn of: Dreissena polymorpha (P.S. Pallas, 1771) - (MYTILIDAE)
- chemnitzii, Notocochlis chemnitzii (L. Pfeiffer, 1840) - (NATICIDAE)
- chemnitzii, Natica chemnitzii C.A. Récluz in J.C. Chenu, 1843 - syn of: Neverita didyma (P.F. Röding, 1798) - (NATICIDAE)
- chemnitzii, Natica chemnitzii L.A. Reeve, 1855 - syn of: Neverita aulacoglossa (H.A. Pilsbry & E.G. Vanatta, 1909) - (NATICIDAE)
- chemnitzii, Nerita chemnitzii C.A. Récluz, 1841 - syn of: Nerita semirugosa C.A. Récluz, 1841 - (NERITIDAE)
- chemnitzii, Ostrea chemnitzii S.C.T. Hanley, 1846 - syn of: Dendostrea rosacea (G.P. Deshayes, 1836) - (OSTREIDAE)
- chemnitzii, Pinna chemnitzii S.C.T. Hanley, 1858 - syn of: Atrina chinensis (G.P. Deshayes, 1841) - (PINNIDAE)
- chemnitzii, Pinctada chemnitzii (R.A. Philippi, 1849) - (PTERIIDAE)
- chemnitzii, Ranella chemnitzii H.C. Küster in H.C. Küster & W. Kobelt, 1871 - syn of: Gyrineum lacunatum (J.W. Mighels, 1845) - (RANELLIDAE)
- chemnitzii, Triton chemnitzii J.E. Gray, 1839 - syn of: Monoplex tranquebaricus J.B.P.A. Lamarck, 1816 - (RANELLIDAE)
- chemnitzii, Gyrineum chemnitzii H.C. Küster & W. Kobelt, 1871 - syn of: Gyrineum lacunatum (J.W. Mighels, 1845) - (RANELLIDAE)
- chemnitzii, Charonia chemnitzii Gray, 1839 - syn of: Monoplex tranquebaricus J.B.P.A. Lamarck, 1816 - (RANELLIDAE)
- chemnitzii, Euprotomus chemnitzii L. Pfeiffer, 1840 - syn of: Euprotomus vomer (P.F. Röding, 1798) - (STROMBIDAE)
- chemnitzii, Trochus chemnitzii R.A. Philippi, 1848 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (TROCHIDAE)
- chemnitzii, Antigona chemnitzii (S.C.T. Hanley, 1845) - (VENERIDAE)
- chemnitzii, Periglypta chemnitzii S.C.T. Hanley, 1845 - syn of: Antigona chemnitzii (S.C.T. Hanley, 1845) - (VENERIDAE)
- chemnitzii, Venus chemnitzii S.C.T. Hanley, 1845 - syn of: Antigona chemnitzii (S.C.T. Hanley, 1845) - (VENERIDAE)
- chemnitzii, Voluta chemnitzii L.W. Dillwyn, 1817 - syn of: Glabella denticulata (J.H.F. Link, 1807) - (VOLUTIDAE)
- chemnitzii laqueata, Antigona chemnitzii laqueata G.B. Sowerby, 1853 - syn of: Antigona laqueata (G.B. II Sowerby, 1853) - (VENERIDAE)
- chemnitzioides, Cunearca chemnitzioides C.J. Maury, 1912 † - (ARCIDAE) (FOSSIL)
- chemnitzioides, Naesiotus chemnitzioides E. Forbes, 1850 - (BULIMULIDAE)
- chemnitzoides, Naesiotus chemnitzoides E. Forbes, 1850 - syn of: Naesiotus chemnitzioides E. Forbes, 1850 - (BULIMULIDAE)
- chemungense, Schindewolfoceras chemungense (Vanuxem, 1842 †) - (TRIAINOCERATIDAE) (FOSSIL)
- chemungensis, Mytilarca chemungensis (T.A. Conrad, 1842 †) - (AMBONYCHIIDAE) (FOSSIL)
- chenayensis, Ampullina chenayensis A.E.M. Cossmann, 1892 † - (AMPULLINIDAE) (FOSSIL)
- chenayensis, Rillyella chenayensis H. Nordsieck, 2002 † - (CLAUSILIIDAE) (FOSSIL)
- chenelli, Diplommatina chenelli H.H. Godwin-Austen, 1892 - (DIPLOMMATINIDAE)
- cheneyi, Idahocolumbites cheneyi (Kummel, 1969 †) - (COLUMBITIDAE) (FOSSIL)
- cheneyi, Scalina cheneyi DeVries, 2006 † - (EPITONIIDAE) (FOSSIL)
- cheneyi, Metacoceras cheneyi Miller & Youngquist, 1947 † - (TAINOCERATIDAE) (FOSSIL)
- chengchouense, Nodogastrioceras chengchouense (C. Chen, 1977 †) - (PARAGASTRIOCERATIDAE) (FOSSIL)
- chengi, Lignopholas chengi H. Turner & L.N. Santhakumaran, 1989 - (PHOLADIDAE)
- Chengjiangoconus, syn of: Genus Ocruranus Liu, 1979 † (HALKIERIIDAE) (FOSSIL)
- Chengxianites, Genus Chengxianites Xu , 1977 † (NEOSTACHEOCERATIDAE) (FOSSIL)
- cheni, Dolabella cheni W.K.C. Sun, 1960 - (APLYSIIDAE)
- cheni, Calliostoma cheni (Z.Z. Dong, 2002) - (CALLIOSTOMATIDAE)
- cheni, Fautor cheni Z.Z. Dong, 2002 - syn of: Calliostoma cheni (Z.Z. Dong, 2002) - (CALLIOSTOMATIDAE)
- cheni, Guizhoupecten cheni Newell & Boyd, 1985 † - (STREBLOCHONDRIIDAE) (FOSSIL)
- cheniana, Corbicula cheniana P.M. Heude, 1887 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- cheniana, Anodon cheniana P.M. Heude, 1880 - syn of: Sinanodonta woodiana (I. Lea, 1834) - (UNIONIDAE)
- chenmazijingensis, Retispira chenmazijingensis H. Guo, 1983 † - (KNIGHTITIDAE) (FOSSIL)
- chennelli, Diplommatina chennelli H.H. Godwin-Austen, 1892 - syn of: Diplommatina chenelli H.H. Godwin-Austen, 1892 - (DIPLOMMATINIDAE)
- chenoderma, Calliostoma chenoderma K.H. Barnard, 1958 - syn of: Calliotropis chenoderma K.H. Barnard, 1963 - (CALLIOSTOMATIDAE)
- chenoderma, Calliotropis chenoderma K.H. Barnard, 1963 - (CALLIOTROPIDAE)
- Chenopus, Genus Chenopus Philippi † (APORRHAIDAE) (FOSSIL)
- Chenopus, syn of: Genus Aporrhais A. da Costa, 1778 (APORRHAIDAE)
- chenopus, Myophoria chenopus Laube, 1865 † - (MYOPHORIIDAE) (FOSSIL)
- chenuanus, Mytilus chenuanus D'Orbigny, 1846 - syn of: Gregariella chenui (C.A. Récluz, 1842) - (MYTILIDAE)
- chenuanus, Gregariella chenuanus D'Orbigny, 1846 - syn of: Gregariella chenui (C.A. Récluz, 1842) - (MYTILIDAE)
- chenui, Cryptozona chenui (L. Pfeiffer, 1847) - (ARIOPHANTIDAE)
- chenui, Drymaeus chenui R.A. Philippi, 1867 - (BULIMULIDAE)
- chenui, Seila chenui M. Jay & J. Drivas, 2002 - (CERITHIOPSIDAE)
- chenui, Conus chenui J.C.H. Crosse, 1857 - syn of: Vituliconus ferrugineus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- chenui, Gregariella chenui (C.A. Récluz, 1842) - (MYTILIDAE)
- chenui, Mytilus chenui C.A. Récluz, 1842 - syn of: Gregariella chenui (C.A. Récluz, 1842) - (MYTILIDAE)
- chenui, Pharus chenui R. von Cosel, 1993 - (PHARIDAE)
- chenui, Tropidophora tricarinata chenui E. Fischer-Piette, 1949 - (POMATIIDAE)
- chenxianense, Liroceras chenxianense Liang, 1984 † - (LIROCERATIDAE) (FOSSIL)
- cheops, Galeodea cheops Abbass, 1967 † - (CASSIDAE) (FOSSIL)
- Chepuloceras, Genus Chepuloceras Unklesbay & Young, 1956 † (ELLESMEROCERATIDAE) (FOSSIL)
- Chepultapecia, syn of: Genus Sinuopea Ulrich, 1911 † (SINUOPEIDAE) (FOSSIL)
- chepultepecense, Ectenoceras chepultepecense Ulrich & al., 1943 † - (ELLESMEROCERATIDAE) (FOSSIL)
- chepultepecense, Woosteroceras chepultepecense Unklesbay & A.T. Young, 1956 † - (ELLESMEROCERATIDAE) (FOSSIL)
- cheragragensis, Melanopsis cheragragensis P.M. Pallary, 1939 - (MELANOPSIDAE)
- cherbonnieri, Isoconcha cherbonnieri J. Poutiers, 1981 - (BASTEROTIIDAE)
- cherbonnieri, Nanobalcis cherbonnieri A. Warén, 1990 - (EULIMIDAE)
- cherelae, Indocrassatella cherelae J. Poutiers, 1981 - (CRASSATELLIDAE)
- chereshnevi, Lymnaea chereshnevi N.D. Kruglov & Y.I. Starobogatov, 1989 - (LYMNAEIDAE)
- chereshnevi, Anisus chereshnevi L.A. Prozorova & Y.I. Starobogatov, 1997 - (PLANORBIDAE)
- chereshnevi, Beringiana chereshnevi V.V. Bogatov & Y.I. Starobogatov, 2001 - syn of: Anodonta beringiana (A.T. von Middendorff, 1851) - (UNIONIDAE)
- chereshnevi, Cincinna chereshnevi V.V. Bogatov, F. Zatrawkin & Y.I. Starobogatov, 1992 - (VALVATIDAE)
- cheribonense, Acanthocardia cheribonense C.H. Oostingh, 1935 † - (CARDIIDAE) (FOSSIL)
- cheribonensis, Acar cheribonensis C.H. Oostingh, 1935 † - (ARCIDAE) (FOSSIL)
- cheribonensis, Conus cheribonensis Martin, 1895 † - (CONIDAE) (FOSSIL)
- cheribonensis, Corbula cheribonensis C.H. Oostingh, 1935 † - (CORBULIDAE) (FOSSIL)
- cheribonensis, Cerithideopsilla cheribonensis (Martin, 1906 †) - (POTAMIDIDAE) (FOSSIL)
- cheribonensis, Protapes cheribonensis C.H. Oostingh, 1935 † - (VENERIDAE) (FOSSIL)
- cherifiana, Xerosecta cherifiana (P.M. Pallary, 1898) - (HYGROMIIDAE)
- cherinus, Euconulus cherinus (V. Sterki, 1893) - (EUCONULIDAE)
- Chernites, syn of: Genus Neritina J.B.P.A. Lamarck, 1816 (NERITIDAE)
- chernovi, Tritonoceras chernovi P.A. Zhuravleva, 1972 † - syn of: Gonatocyrtoceras guerichi (E.S. Sobolev, 1912 †) - (DISCOSORIDA (unassigned)) (FOSSIL)
- chernyshevi, Retispira chernyshevi Mazaev, 2015 † - (KNIGHTITIDAE) (FOSSIL)
- cherobia, Niveria cherobia (C.N. Cate, 1979) - (TRIVIIDAE)
- cherokeense, Woosteroceras cherokeense Ulrich & al., 1944 † - (ELLESMEROCERATIDAE) (FOSSIL)
- cherokeense, Imitoceras cherokeense Miller & Owen, 1939 † - syn of: Maximites cherokeensis (Miller & Owen, 1939 †) - (PRIONOCERATIDAE) (FOSSIL)
- cherokeense, Sanguinolites cherokeense Snider 1915 † - (SANGUINOLITIDAE) (FOSSIL)
- cherokeensis, Maximites cherokeensis (Miller & Owen, 1939 †) - (MAXIMITIDAE) (FOSSIL)
- cherokeensis, Platyoptera cherokeensis Garvie, 2013 † - (ROSTELLARIIDAE) (FOSSIL)
- cherokus, Conus cherokus A.A. Olsson & R.E. Petit, 1964 - syn of: Lindaconus spurius (J.F. Gmelin, 1791) - (CONIDAE)
- cherrieri, Neocepolis cherrieri P. Dautzenberg & H. Fischer, 1908 - (CAMAENIDAE)
- cherrieri, Helix cherrieri P. Dautzenberg & H. Fischer, 1908 - (HELICIDAE)
- cherrieri carinata, Neocepolis cherrieri carinata P. Dautzenberg & H. Fischer, 1908 - (CAMAENIDAE)
- cherrieri depressa, Neocepolis cherrieri depressa P. Dautzenberg & H. Fischer, 1908 - (CAMAENIDAE)
- cherrieri edentula, Neocepolis cherrieri edentula P. Dautzenberg & H. Fischer, 1908 - (CAMAENIDAE)
- cherryi, Cluthoceras cherryi (Bisat, 1934 †) - (MUENSTEROCERATIDAE) (FOSSIL)
- chersa, Hemicycla chersa J.F. Mabille, 1882 - syn of: Hemicycla plicaria (J.B.P.A. Lamarck, 1816) - (HELICIDAE)
- chersa, Oxychilus chersa J.R. Bourguignat, 1889 - syn of: Oxychilus cellarius (O.F. Müller, 1774) - (OXYCHILIDAE)
- Chersaecia, Subgenus Plectopylis (Chersaecia) G.P.L.K. Gude, 1899 (PLECTOPYLIDAE)
- Chersina, syn of: Genus Achatina J.B.P.A. Lamarck, 1799 (ACHATINIDAE)
- Chersina, syn of: Genus Liguus P.D. Montfort, 1810 (ORTHALICIDAE)
- chersinella, Pristiloma chersinella (W.H. Dall, 1886) - (PRISTILOMATIDAE)
- chersinus, Euconulus chersinus (T. Say, 1821) - (EUCONULIDAE)
- chersinus polygyratus, Euconulus chersinus polygyratus H.A. Pilsbry, 1889 - (EUCONULIDAE)
- Chersodespoena, syn of: Genus Linidiella F.P. Jousseaume, 1889 (PROSERPINELLIDAE)
- chersoideus, Conus chersoideus G.D. Nardo, 1847 - syn of: Lautoconus ventricosus (J.F. Gmelin, 1791) - (CONIDAE)
- Chersomitra, Subgenus Streptostyla (Chersomitra) E.C. Von Martens, 1860 (SPIRAXIDAE)
- chersonica, Turricaspia chersonica T.L. Alexenko & Y.I. Starobogatov, 1987 - (HYDROBIIDAE)
- chersonica, Cincinna chersonica E.V. Chernogorenko & Y.I. Starobogatov, 1987 - (VALVATIDAE)
- cherubini, Gibberula cherubini (A.R.J.B. Bavay, 1922) - (CYSTISCIDAE)
- cherubini, Marginella cherubini A.R.J.B. Bavay, 1922 - syn of: Gibberula cherubini (A.R.J.B. Bavay, 1922) - (MARGINELLIDAE)
- cheruscus, Streptochetus cheruscus (P. Nyst, 1843 †) - (FASCIOLARIIDAE) (FOSSIL)
- cheruscus elongatus, Streptochetus cheruscus elongatus (P. Nyst, 1843 †) - (FASCIOLARIIDAE) (FOSSIL)
- cherwellense, Procerithium cherwellense Cox & Arkell † - (PROCERITHIIDAE) (FOSSIL)
- cherylae, Plectonotoides cherylae Peel, 1974 † - (PLECTONOTIDAE) (FOSSIL)
- cherziana, Anodonta cherziana A. Villa, 1841 - syn of: Aspatharia chaiziana (P.C.A.S.L. Rang, 1835) - (UNIONIDAE)
- Chesacardium, Genus Chesacardium Ward , 1992 † (CARDIIDAE) (FOSSIL)
- Chesaclava, Genus Chesaclava Petuch , 1988 † (TURRIDAE) (FOSSIL)
- chesapeakea, Sayella chesapeakea J.P.E. Morrison, 1939 - (PYRAMIDELLIDAE)
- chesapeakeanus, Chesatrophon chesapeakeanus (Martin, 1904 †) - (MURICIDAE) (FOSSIL)
- Chesapeakella, Genus Chesapeakella Kennedy & Cobban, 1993 † (DIPLOMOCERATIDAE) (FOSSIL)
- chesapeakensis, Coronafulgur chesapeakensis (E.J. Petuch, 1988 †) - (BUSYCONIDAE) (FOSSIL)
- chesapeakensis, Conradconfusus chesapeakensis (E.J. Petuch, 1988 †) - (FASCIOLARIIDAE) (FOSSIL)
- chesapeakensis, Buccinofusus chesapeakensis E.J. Petuch, 1988 † - syn of: Conradconfusus chesapeakensis (E.J. Petuch, 1988 †) - (FASCIOLARIIDAE) (FOSSIL)
- chesapeakensis, Hemimactra chesapeakensis L.C. Glenn, 1904 † - syn of: Leptomactra curtidens (W.H. Dall, 1898 †) - (MACTRIDAE) (FOSSIL)
- chesapeakensis, Ecphora chesapeakensis E.J. Petuch, 1992 † - (MURICIDAE) (FOSSIL)
- chesapeakensis, Sinum chesapeakensis G.B. Campbell, 1993 † - (NATICIDAE) (FOSSIL)
- Chesapeakiceras, Genus Chesapeakiceras Kennedy & Cobban, 1998 † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Chesapecten, Genus Chesapecten Ward & Blackwelder, 1975 † (PECTINIDAE) (FOSSIL)
- Chesasyrinx, Genus Chesasyrinx Petuch , 1988 † (TURRIDAE) (FOSSIL)
- Chesathais, Genus Chesathais E.J. Petuch, 1988 † (MURICIDAE) (FOSSIL)
- Chesatrophon, Genus Chesatrophon Petuch, 1988 † (MURICIDAE) (FOSSIL)
- chesleri, Murexsul chesleri R. Houart, 2006 - (MURICIDAE)
- chesnelii, Schwartziella chesnelii (A. Michaud, 1830) - (ZEBINIDAE)
- chesneyi, Congetia chesneyi (P.G. Oliver & H.C.G. Chesney, 1994) - (NOETIIDAE)
- chesnuti, Phaneroceras chesnuti Work & al., 2012 † - (PSEUDOPARALEGOCERATIDAE) (FOSSIL)
- chessoia, Gigantopelta chessoia C. Chen, K. Linse & al., 2015 - (PELTOSPIRIDAE)
- chessoni, Glessula chessoni (W.H. Benson, 1860) - (SUBULINIDAE)
- chesterense, Orthonychia chesterense F.B. Meek & A.H. Worthen, 1867 † - (ORTHONYCHIIDAE) (FOSSIL)
- chesterensis, Bellerophon chesterensis Weller, 1920 † - (BELLEROPHONTIDAE) (FOSSIL)
- chesterensis, Naticopsis chesterensis (Swallow, 1863 †) - (DELPHINULOPSIDAE) (FOSSIL)
- chesterensis, Trepospira chesterensis Thein & Nitecki, 1974 † - syn of: Glabrocingulum chesterensis (Thein & Nitecki, 1974 †) - (EOTOMARIIDAE) (FOSSIL)
- chesterensis, Euphemites chesterensis Jeffery & al., 1994 † - (EUPHEMITIDAE) (FOSSIL)
- chesterensis, Wellergyi chesterensis Thein & Nitecki, 1974 † - (GOSSELETINIDAE) (FOSSIL)
- chesterensis, Glabrocingulum chesterensis (Thein & Nitecki, 1974 †) - (GOSSELETINIDAE) (FOSSIL)
- chesterensis, Salterospira chesterensis (F.B. Meek & A.H. Worthen, 1860 †) - (GOSSELETINIDAE) (FOSSIL)
- chesterensis, Patellilabia chesterensis Thein & Nitecki, 1974 † - (KNIGHTITIDAE) (FOSSIL)
- chesterensis, Lepetopsis chesterensis A.H. Worthen, 1884 † - (LEPETOPSIDAE) (FOSSIL)
- chesterensis, Borestus chesterensis F.B. Meek & A.H. Worthen, 1860 † - syn of: Salterospira chesterensis (F.B. Meek & A.H. Worthen, 1860 †) - (PHYMATOPLEURIDAE) (FOSSIL)
- chesterensis, Strophostylus chesterensis Thein & Nitecki, 1974 † - (PLATYCERATIDAE) (FOSSIL)
- chesterensis, Porcellia chesterensis Thein & Nitecki, 1974 † - (PORCELLIIDAE) (FOSSIL)
- chesterensis, Schizodus chesterensis F.B. Meek & A.H. Worthen, 1860 † - (SCHIZODIDAE) (FOSSIL)
- chesterfieldensis, Thysanodonta chesterfieldensis B.A. Marshall, 1995 - (CALLIOSTOMATIDAE)
- chesterfieldensis, Fautor chesterfieldensis (B.A. Marshall, 1995) - (CALLIOSTOMATIDAE)
- chesteri, Mauira chesteri (J. Marwick, 1931 †) - (VOLUTIDAE) (FOSSIL)
- chetaensis, Dividella chetaensis Yazikova 1996 † - (ARCTICIDAE) (FOSSIL)
- chetaensis, Dacromya chetaensis Sanin, 1976 † - (NUCULANIDAE) (FOSSIL)
- Chetaites, Genus Chetaites Shulgina, 1962 † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- chetelati, Chrysallida chetelati E. Saurin, 1962 - (PYRAMIDELLIDAE)
- chetelati, Quadrans chetelati E. Fischer-Piette & M. Nicklés, 1946 - syn of: Tellina owenii S.C.T. Hanley, 1845 - (TELLINIDAE)
- Chetopleura, syn of: Genus Chaetopleura R.J. Shuttleworth, 1853 (CHAETOPLEURIDAE)
- Chetosyna, Subgenus Euconulus (Chetosyna) F.C. Baker, 1941 (EUCONULIDAE)
- chetyzecchiae, Metula metulina chetyzecchiae L. Bozzetti, 1992 - (BUCCINIDAE)
- cheullina, Fissurella cheullina J. Ramírez-Böhme, 1974 - syn of: Fissurella oriens G.B. I Sowerby, 1834 - (FISSURELLIDAE)
- Cheungbeia, Genus Cheungbeia J.D. Taylor & F.E. Wells, 1994 (PSEUDOMELATOMIDAE)
- chevalieri, Deroceras chevalieri (C.O. Van Regteren Altena, 1973) - (AGRIOLIMACIDAE)
- chevalieri, Mutela chevalieri J. Germain, 1904 - syn of: Mutela dubia J.F. Gmelin, 1793 - (IRIDINIDAE)
- chevalieri, Afrophysema chevalieri (R. von Cosel, 2005) - (LUCINIDAE)
- chevalieri, Colobostylus chevalieri (C.B. Adams, 1851) - (POMATIIDAE)
- chevalieri, Provanna chevalieri A. Warén & P. Bouchet, 2009 - (PROVANNIDAE)
- chevalieri, Paravascoceras chevalieri Furon, 1935 † - syn of: Paravascoceras cauvini (Chudeau, 1909 †) - (VASCOCERATIDAE) (FOSSIL)
- chevalieri album, Pomatias chevalieri album C.B. Adams, 1851 - syn of: Colobostylus chevalieri (C.B. Adams, 1851) - (POMATIIDAE)
- chevalieri virgatum, Pomatias chevalieri virgatum C.B. Adams, 1851 - syn of: Colobostylus chevalieri (C.B. Adams, 1851) - (POMATIIDAE)
- chevallieri, Deroceras chevallieri C.O. Van Regteren Altena, 1973 - (AGRIOLIMACIDAE)
- chevallieri, Arca chevallieri A.E.M. Cossmann, 1887 † - (ARCIDAE) (FOSSIL)
- chevallieri, Borsonia chevallieri A.E.M. Cossmann, 1889 - (BORSONIIDAE)
- chevallieri, Drymaeus chevallieri A.S.H. Breure, 1976 - (BULIMULIDAE)
- chevallieri, Cassis chevallieri A.E.M. Cossmann, 1889 † - (CASSIDAE) (FOSSIL)
- chevallieri, Corbulomya chevallieri G.P. Deshayes, 1857 † - (CORBULIDAE) (FOSSIL)
- chevallieri, Proadusta chevallieri Cossman 1896 † - (CYPRAEIDAE) (FOSSIL)
- chevallieri, Dentimitra chevallieri A.E.M. Cossmann, 1892 † - (MITRIDAE) (FOSSIL)
- chevallieri, Laeocochlis chevallieri A.E.M. Cossmann, 1889 † - (NEWTONIELLIDAE) (FOSSIL)
- chevallieri, Tellina chevallieri A.E.M. Cossmann, 1886 † - (TELLINIDAE) (FOSSIL)
- Chevallieria, Genus Chevallieria A.E.M. Cossmann, 1888 (IRAVADIIDAE)
- cheverti, Dentalium cheverti B. Sharp & H.A. Pilsbry, 1897 - (DENTALIIDAE)
- cheverti, Atys cheverti J.W. Brazier, 1879 - (HAMINOEIDAE)
- cheverti, Turbonilla cheverti C. Hedley, 1901 - (PYRAMIDELLIDAE)
- cheverti, Daphnella cheverti C. Hedley, 1922 - (RAPHITOMIDAE)
- cheveyi, Aspidopholas cheveyi É. Lamy, 1927 - syn of: Aspidopholas ovum (W. Wood, 1828) - (PHOLADIDAE)
- cheveyi, Pyrgulina cheveyi E. Saurin, 1959 - (PYRAMIDELLIDAE)
- chevillei, Forbesiceras chevillei (Pictet & Renevier, 1866 †) - (FORBESICERATIDAE) (FOSSIL)
- chevreauxi, Venus chevreauxi P. Dautzenberg, 1891 - syn of: Venus chevreuxi P. Dautzenberg, 1891 - (VENERIDAE)
- chevreuxi, Cylichna chevreuxi P. Dautzenberg, 1889 - (CYLICHNIDAE)
- chevreuxi, Niso chevreuxi P. Dautzenberg, 1891 - (EULIMIDAE)
- chevreuxi, Phymorhynchus chevreuxi (P. Dautzenberg & H. Fischer, 1897) - (RAPHITOMIDAE)
- chevreuxi, Pleurotoma chevreuxi P. Dautzenberg & H. Fischer, 1897 - syn of: Phymorhynchus chevreuxi (P. Dautzenberg & H. Fischer, 1897) - (TURRIDAE)
- chevreuxi, Venus chevreuxi P. Dautzenberg, 1891 - (VENERIDAE)
- Chevroderma, Genus Chevroderma A.H. Scheltema, 1985 (PROCHAETODERMATIDAE)
- Chevronaias, syn of: Genus Chevronais Olsson & Wurtz, 1951 (HYRIIDAE)
- Chevronais, Genus Chevronais Olsson & Wurtz, 1951 (HYRIIDAE)
- Chevronia, Subgenus Glycymeris (Chevronia) Moerdijk & van Nieulande, 2000 † (GLYCYMERIDIDAE) (FOSSIL)
- cheyenense, Didymoceras cheyenense F.B. Meek & Hayden, 1856 † - syn of: Didymoceras cheyennense (F.B. Meek & Hayden, 1856 †) - (NOSTOCERATIDAE) (FOSSIL)
- cheyennense, Didymoceras cheyennense (F.B. Meek & Hayden, 1856 †) - (NOSTOCERATIDAE) (FOSSIL)
- cheyennensis, Hoploscaphites cheyennensis Owen, 1852 † - syn of: Jeletzkytes nebrascensis (B. Owen, 1852 †) - (SCAPHITIDAE) (FOSSIL)
- cheyennica, Pilina cheyennica Peel, 1977 † - (TRYBLIDIIDAE) (FOSSIL)
- cheynei, Omphalotropis cheynei (W.L.H. Dohrn & C.G. Semper, 1862) - (ASSIMINEIDAE)
- chia, Albinaria puella chia (O. Böttger, 1878) - (CLAUSILIIDAE)
- chia, Pseudamnicola chia (E.C. Von Martens, 1889) - (HYDROBIIDAE)
- chiachiana, Oenopota chiachiana W.H. Dall, 1919 - syn of: Oenopota declivis (S.L. Lovén, 1846) - (MANGELIIDAE)
- chiae, Triptychia chiae Almera & Bofill y Poch, 1892 † - (FILHOLIIDAE) (FOSSIL)
- chiae, Amandana chiae (P. Fagot, 1886) - (HYGROMIIDAE)
- chiajei, Pleurobranchaea chiajei É.A.A. Locard, 1886 - syn of: Pleurobranchaea meckeli (H.M.D. de Blainville, 1825) - (PLEUROBRANCHAEIDAE)
- chiamentii, Galeodea chiamentii G.S. Coen, 1929 - syn of: Galeodea echinophora (C. Linnaeus, 1758) - (CASSIDAE)
- chiangfucius, Mitra chiangfucius Huang & Salisbury, 2017 - (MITRIDAE)
- chiangi, Taranteconus chiangi M. Azuma, 1972 - (CONIDAE)
- chiangi, Babelomurex chiangi T.C. Lan, 1982 - syn of: Coralliophila abnormis (E.A. Smith, 1878) - (MURICIDAE)
- chiangi, Latiaxis chiangi T.C. Lan, 1982 - syn of: Coralliophila abnormis (E.A. Smith, 1878) - (MURICIDAE)
- chianostoma, Megalobulimus chianostoma (O.A.L. Mörch, 1852) - (MEGALOBULIMIDAE)
- Chiapaphysa, Genus Chiapaphysa J.D. Taylor, 2003 (PHYSIDAE)
- Chiapasella, Genus Chiapasella Müllerried, 1931 † (RADIOLITIDAE) (FOSSIL)
- chiapasense, Choanopoma chiapasense (J.C.H. Crosse & P.H. Fischer, 1877) - (POMATIIDAE)
- chiapasensis, Ampullaria chiapasensis J.C.H. Crosse & P.H. Fischer, 1890 - syn of: Pomacea flagellata livescens (L.A. Reeve, 1856) - (AMPULLARIIDAE)
- chiapasensis, Drymaeus chiapasensis L. Pfeiffer, 1866 - (BULIMULIDAE)
- chiapensis, Drymaeus chiapensis E.C. Von Martens, 1893 - (BULIMULIDAE)
- chiapensis, Helix chiapensis L. Pfeiffer, 1856 - syn of: Polygyra chiapensis (L. Pfeiffer, 1856) - (HELICIDAE)
- chiapensis, Helicina chiapensis L. Pfeiffer, 1856 - syn of: Tristramia tenuis (L. Pfeiffer, 1849) - (HELICINIDAE)
- chiapensis, Polygyra chiapensis (L. Pfeiffer, 1856) - (POLYGYRIDAE)
- chiapensis, Choanopoma chiapensis J.C.H. Crosse & P.H. Fischer, 1877 - syn of: Choanopoma chiapasense (J.C.H. Crosse & P.H. Fischer, 1877) - (POMATIIDAE)
- chiapensis, Simpulopsis chiapensis L. Pfeiffer, 1856 - syn of: Xanthonyx chiapensis (L. Pfeiffer, 1856) - (SIMPULOPSIDAE)
- chiapensis, Mayaxis chiapensis (L. Pfeiffer, 1856) - (SPIRAXIDAE)
- chiapensis, Chersomitra chiapensis H.A. Pilsbry, 1909 - (SPIRAXIDAE)
- chiapensis, Xanthonyx chiapensis (L. Pfeiffer, 1856) - (XANTHONYCHIDAE)
- chiapensis nebulosus, Drymaeus chiapensis nebulosus E.C. Von Martens, 1893 - (BULIMULIDAE)
- chiapensis quadrifasciatus, Drymaeus chiapensis quadrifasciatus E.C. Von Martens, 1893 - (BULIMULIDAE)
- chiapponii, Pustularia chiapponii F.Jr. Lorenz, 1999 - (CYPRAEIDAE)
- chiapponii, Crenavolva chiapponii F.Jr. Lorenz & D. Fehse, 2009 - (OVULIDAE)
- chiapponii, Triviella chiapponii D. Fehse, 2016 - (TRIVIIDAE)
- chiapponii beatricae, Pustularia chiapponii beatricae F.Jr. Lorenz, 2014 - (CYPRAEIDAE)
- chiapponorum, Textilia chiapponorum (F.Jr. Lorenz, 2004) - (CONIDAE)
- chiarae, Gibberula chiarae L. Bozzetti & T. Cossignani, 2009 - (CYSTISCIDAE)
- chiarae, Epitonium chiarae L. Bozzetti, 2007 - (EPITONIIDAE)
- chiarae, Muricopsis chiarae L. Bozzetti, 1991 - (MURICIDAE)
- chiarellii, Crisilla chiarellii (A. Cecalupo & P. Quadri, 1995) - (RISSOIDAE)
- chiasma, Montenegrina laxa chiasma H. Nordsieck, 1972 - (CLAUSILIIDAE)
- chiastos, Falcidens chiastos A.H. Scheltema, 1989 - (CHAETODERMATIDAE)
- chiastus, Aporrhais chiastus É.A.A. Locard, 1889 † - (APORRHAIDAE) (FOSSIL)
- Chiazacmea, syn of: Genus Patelloida J.R.C. Quoy & J.P. Gaimard, 1834 (LOTTIIDAE)
- Chiazacmea, syn of: Genus Patelloida J.R.C. Quoy & J.P. Gaimard, 1834 (LOTTIIDAE)
- chibaense, Vexillum chibaense (R. Salisbury & G. Rosenberg, 1999) - (COSTELLARIIDAE)
- chibai, Iphinoe chibai T. Habe, 1962 - (CAPULIDAE)
- chibanum, Buccinum cnismatum chibanum J.T. Kuroda, 1964 - (BUCCINIDAE)
- chica, Doto chica Er. Marcus & Ev. Marcus, 1960 - (DOTIDAE)
- chica, Fissurella chica C. Nielsen, 2003 † - (FISSURELLIDAE) (FOSSIL)
- chicagoense, Phragmoceras chicagoense Foerste, 1936 † - (PHRAGMOCERATIDAE) (FOSSIL)
- chicagoensis, Tremanotus chicagoensis (McChesney, 1859 †) - (BUCANIIDAE) (FOSSIL)
- Chicagooceras, Genus Chicagooceras Foerste & Savage, 1927 † (ORTHOCERIDA (UNASSIGNED)) (FOSSIL)
- chicha, Pisidium chicha C.F. Ituarte, 2005 - (SPHAERIIDAE)
- chichiboensis, Diplommatina chichiboensis J.T. Kuroda, 1956 - (DIPLOMMATINIDAE)
- chichibuensis, Anadara chichibuensis K.M. Hatai & S. Nisiyama, 1952 † - (ARCIDAE) (FOSSIL)
- chichiensis, Hemiphaedusa antuensis chichiensis H. Nordsieck, 2005 - (CLAUSILIIDAE)
- chichijimana, Vitrinula chichijimana (H.A. Pilsbry & Y. Hirase) - (ARIOPHANTIDAE)
- chichijimana, Mandarina chichijimana R. Tiba, 1989 - (CAMAENIDAE)
- chichijimana, Hirasea chichijimana H.A. Pilsbry & Y. Hirase, 1902 - (ENDODONTIDAE)
- chichijimana, Boninena hiraseana chichijimana (J.T. Kuroda, 1945) - (ENIDAE)
- chichijimana, Gastrocopta chichijimana H.A. Pilsbry, 1916 - (GASTROCOPTIDAE)
- chichijimana, Ogasawarana chichijimana H. Minato, 1980 - (HELICINIDAE)
- chichijimana, Kermia chichijimana H.A. Pilsbry, 1904 - syn of: Pseudodaphnella barnardi (J.W. Brazier, 1876) - (RAPHITOMIDAE)
- chickasaense, Solarium chickasaense Cragin, 1895 † - syn of: Architectonica planorbis F.A. Roemer, 1888 † - (ARCHITECTONICIDAE) (FOSSIL)
- chickasawhensis, Unio chickasawhensis I. Lea, 1861 - syn of: Pleurobema beadleianum (I. Lea, 1861) - (UNIONIDAE)
- Chickcharnea, Genus Chickcharnea E.J. Petuch, 2002 (BUCCINIDAE)
- chickcharneorum, Pusia chickcharneorum W.G. Lyons & S.D. Kaicher, 1978 - (COSTELLARIIDAE)
- chickee, Contraconus chickee E.J. Petuch, 1994 † - (CONIDAE) (FOSSIL)
- chickee, Melongena chickee E.J. Petuch, 1994 † - (MELONGENIDAE) (FOSSIL)
- chiclaya, Bornia chiclaya A.A. Olsson, 1961 - syn of: Ceratobornia chiclaya (A.A. Olsson, 1961) - (KELLIIDAE)
- chiclaya, Ceratobornia chiclaya (A.A. Olsson, 1961) - (LASAEIDAE)
- chico, Gyronema chico Mawson & al., 2002 † - syn of: Australonema chico (Mawson & al., 2002 †) - (LOPHOSPIRIDAE) (FOSSIL)
- chico, Australonema chico (Mawson & al., 2002 †) - (ORIOSTOMATIDAE) (FOSSIL)
- Chicocenebra, Genus Chicocenebra P. Bouchet & R. Houart, 1996 (MURICIDAE)
- chicoense, Submortoniceras chicoense (Trask, 1856 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- chicoensis, Drymaeus fallax chicoensis A.S.H. Breure, 1977 - (BULIMULIDAE)
- chicoensis, Turritella chicoensis W.M. Gabb, 1864 † - (TURRITELLIDAE) (FOSSIL)
- chicoi, Hyalina chicoi J. Espinosa & J.A. Ortea, 1999 - (MARGINELLIDAE)
- Chicomurex, Genus Chicomurex K.Y. Arakawa, 1964 (MURICIDAE)
- Chicopinnatus, syn of: Genus Chicoreus P.D. Montfort, 1810 (MURICIDAE)
- Chicoracea, syn of: Genus Chicoreus P.D. Montfort, 1810 (MURICIDAE)
- Chicorax, syn of: Genus Chicoreus P.D. Montfort, 1810 (MURICIDAE)
- Chicoreus, Genus Chicoreus P.D. Montfort, 1810 (MURICIDAE)
- chicoroides, Ocenebra chicoroides G.S. Coen, 1947 - syn of: Ocenebra erinaceus (C. Linnaeus, 1758) - (MURICIDAE)
- chicottense, Armenoceras chicottense Foerste, 1928 † - (ARMENOCERATIDAE) (FOSSIL)
- chicottense, Polygrammoceras chicottense Foerste, 1928 † - (KIONOCERATIDAE) (FOSSIL)
- Chidleyenoceras, Genus Chidleyenoceras Shimizu & Obata, 1935 † (APSIDOCERATIDAE) (FOSSIL)
- chidleyense, Charactoceras chidleyense Foerste † - (APSIDOCERATIDAE) (FOSSIL)
- chidleyense, Chidleynoceras chidleyense Foerste † - syn of: Charactoceras chidleyense Foerste † - (APSIDOCERATIDAE) (FOSSIL)
- Chidleynoceras, syn of: Genus Charactoceras Foerste, 1924 † (APSIDOCERATIDAE) (FOSSIL)
- chidruensis, Avicula chidruensis L. Waagen, 1881 † - syn of: Leptodesma chidruensis (L. Waagen, 1881 †) - (PTERIIDAE) (FOSSIL)
- chidruensis, Leptodesma chidruensis (L. Waagen, 1881 †) - (PTERINEIDAE) (FOSSIL)
- chidruensis, Sibirites chidruensis L. Waagen, 1895 † - syn of: Anasibirites kingianus (L. Waagen, 1895 †) - (SIBIRITIDAE) (FOSSIL)
- chiemhoaensis, Selenophaedusa chiemhoaensis (E.R. Sykes, 1902) - (CLAUSILIIDAE)
- chierchiae, Creseis chierchiae (J.E.V. Boas, 1886) - (CRESEIDAE)
- chierchiae, Octopus chierchiae G. Jatta, 1889 - (OCTOPODIDAE)
- chierchiae constricta, Creseis chierchiae constricta C. Chen & A.W.H. Bè, 1964 - (CRESEIDAE)
- chierchiana, Aplysia chierchiana G.F. Mazzarelli & Zucard, 1892 - (APLYSIIDAE)
- chiereghiniana, Caecum chiereghiniana Š. Brusina, 1869 - syn of: Caecum auriculatum L. de Folin, 1868 - (CAECIDAE)
- chiereghinii, Nassarius chiereghinii (L.M.D. Bellardi, 1882 †) - (NASSARIIDAE) (FOSSIL)
- chiesai, Cycladicama chiesai (Rossi 1942) † - (UNGULINIDAE) (FOSSIL)
- Chigaroceras, Genus Chigaroceras Howarth, 1992 † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- chihliensis, Parallelodon chihliensis Chao, 1928 - syn of: Porterius dalli (E.A. Smith, 1885) - (PARALLELODONTIDAE)
- Chihlioceras, Genus Chihlioceras Grabau, 1922 † (CHIHLIOCERATIDAE) (FOSSIL)
- CHIHLIOCERATIDAE Grabau, 1922 † - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-ENDOCERIDA [Order]) (FOSSIL)
- chihpenensis, Pseudophaedusa hayasii chihpenensis C.K. Chang, 1986 - (CLAUSILIIDAE)
- chihuahua, Cochliopa chihuahua H.A. Pilsbry, 1928 - syn of: Pyrgulopsis chihuahua (H.A. Pilsbry, 1928) - (COCHLIOPIDAE)
- chihuahua, Pyrgulopsis chihuahua (H.A. Pilsbry, 1928) - (HYDROBIIDAE)
- chihuahuensis, Merklinia chihuahuensis (Bose 1910) † - (PECTINIDAE) (FOSSIL)
- chikagawaense eteretica, Clinocardium chikagawaense eteretica Volobueva, 1981 † - syn of: Clinocardium asagaiense (J. Makiyama, 1934 †) - (CARDIIDAE) (FOSSIL)
- chikaoi, Clinopegma chikaoi R. Tiba, 1968 - (BUCCINIDAE)
- chikaoi aequespaceum, Clinopegma chikaoi aequespaceum R. Tiba, 1981 - (BUCCINIDAE)
- chikubetsuensis, Adipicola chikubetsuensis (Amano 1984) † - (MYTILIDAE) (FOSSIL)
- chikunense, Protocycloceras chikunense T. Kobayashi, 1927 † - (PROTOCYCLOCERATIDAE) (FOSSIL)
- chikuzenensis, Dosinia chikuzenensis T. Nagao, 1928 † - syn of: Dosinia nomurai Y. Otuka, 1934 † - (VENERIDAE) (FOSSIL)
- chikuzensis, Dosinia chikuzensis (Nagao) † - (VENERIDAE) (FOSSIL)
- Chilanodon, Genus Chilanodon C.A. Westerlund, 1897 (HYGROMIIDAE)
- chilcaensis, Ambercyclus chilcaensis Ferrari, 2014 † - (EUCYCLIDAE) (FOSSIL)
- chilcotinensis, Sunrisites chilcotinensis Longridge & al., 2008 † - (PSILOCERATIDAE) (FOSSIL)
- childerhosei, Ectolcites childerhosei Tozer, 1994 † - (DISTICHITIDAE) (FOSSIL)
- childrenae, Miltha childrenae (Gray, 1824) - (LUCINIDAE)
- childreni, Ipsa childreni (J.E. Gray, 1825) - (CYPRAEIDAE)
- childreni, Pustularia childreni J.E. Gray, 1825 - syn of: Ipsa childreni (J.E. Gray, 1825) - (CYPRAEIDAE)
- childreni, Coronia childreni (Lea, 1833 †) - (TURRIDAE) (FOSSIL)
- childreni, Unio childreni E. Griffith & E. Pidgeon, 1833 - syn of: Diplodon chilensis (J.E. Gray, 1852) - (UNIONIDAE)
- childreni leforti, Ipsa childreni leforti E.L. Heiman, 2009 - (CYPRAEIDAE)
- childreni samurai, Ipsa childreni samurai F.A. Schilder & M. Schilder, 1940 - (CYPRAEIDAE)
- childressi, Bathymodiolus childressi D.L. Gustafson, 1999 - (MYTILIDAE)
- chilena, Otukaia chilena (H.A. Rehder, 1971) - (CALLIOSTOMATIDAE)
- chilena, Myalina chilena A.F. Gonzalez, 1986 † - (MYALINIDAE) (FOSSIL)
- chilena, Oliva chilena C. Nielsen, 2003 † - (OLIVIDAE) (FOSSIL)
- chilena, Ranella chilena A.G. Beu, 2010 † - (RANELLIDAE) (FOSSIL)
- chilena, Chlorostoma chilena C. Nielsen & al., 2004 † - (TEGULIDAE) (FOSSIL)
- chilenica, Reloncavia chilenica (T. Soot-Ryen, 1957) - (CYAMIIDAE)
- chilenica, Yoldiella chilenica (W.H. Dall, 1908) - (YOLDIIDAE)
- chilense, Caecum chilense J. Stuardo, 1962 - (CAECIDAE)
- chilensis, Acteon chilensis R.A. Philippi, 1887 † - (ACTEONIDAE) (FOSSIL)
- chilensis, Iselica chilensis L.N. Marincovich, 1973 - (AMATHINIDAE)
- chilensis, Plectostylus chilensis (R.P. Lesson, 1826) - (BOTHRIEMBRYONTIDAE)
- chilensis, Aeneator chilensis C. Nielsen, 2003 † - (BUCCINIDAE) (FOSSIL)
- chilensis, Syrotrigonia chilensis A.M. Pérez & Reyes, 1986 † - (BUCHOTRIGONIIDAE) (FOSSIL)
- chilensis, Astele chilensis (A.V.M.D. D'Orbigny, 1852 †) - (CALLIOSTOMATIDAE) (FOSSIL)
- chilensis, Capulus chilensis W.H. Dall, 1904 - syn of: Capulus ungaricoides (A.V.M.D. D'Orbigny, 1841) - (CAPULIDAE)
- chilensis, Cenoceras chilensis (Huppe, 1854 †) - (CENOCERATIDAE) (FOSSIL)
- chilensis, Chama chilensis R.A. Philippi, 1887 - syn of: Chama pellucida W.J. Broderip, 1835 - (CHAMIDAE)
- chilensis, Tonicia chilensis (J. Frembly, 1827) - (CHITONIDAE)
- chilensis, Cucullaea chilensis R.A. Philippi, 1887 † - (CUCULLAEIDAE) (FOSSIL)
- chilensis, Luzonia chilensis (W.H. Dall, 1890) - (CUSPIDARIIDAE)
- chilensis, Cyamiomactra chilensis L. Ramorino, 1968 - (CYAMIIDAE)
- chilensis, Doris chilensis F.D. Abraham, 1877 - (DORIDIDAE)
- chilensis, Haliella chilensis P. Bartsch, 1917 - (EULIMIDAE)
- chilensis, Tugali chilensis McLean, 1970 - (FISSURELLIDAE)
- chilensis, Fissurella chilensis G.B. I Sowerby, 1834 - syn of: Fissurella costata R.P. Lesson, 1831 - (FISSURELLIDAE)
- chilensis, Hiatella chilensis L.H. Hupé, 1854 - syn of: Hiatella arctica (C. Linnaeus, 1767) - (HIATELLIDAE)
- chilensis, Diplodon chilensis (J.E. Gray, 1852) - (HYRIIDAE)
- chilensis, Limatula chilensis Campusano, Ruz & N. Oliva, 2012 - (LIMIDAE)
- chilensis, Scutopus chilensis L. Salvini-Plawén, 1972 - (LIMIFOSSORIDAE)
- chilensis, Lymnaea chilensis H.H. Beck, 1837 - (LYMNAEIDAE)
- chilensis, Entodesma chilensis R.A. Philippi, 1845 - syn of: Entodesma cuneata (J.E. Gray, 1828) - (LYONSIIDAE)
- chilensis, Malletia chilensis C. des Moulins, 1832 - (MALLETIIDAE)
- chilensis, Donacilla chilensis A.V.M.D. D'Orbigny, 1845 - syn of: Mesodesma donacium (J.B.P.A. Lamarck, 1818) - (MESODESMATIDAE)
- chilensis, Strigatella chilensis L.C. Kiener, 1838 - syn of: Mitra orientalis E. Griffith & E. Pidgeon, 1834 - (MITRIDAE)
- chilensis, Perna chilensis T.A. Conrad, 1855 † - syn of: Isognomon gaudichaudi d'Orbigny, 1842 † - (MYTILIDAE) (FOSSIL)
- chilensis, Mytilus chilensis (L.H. Hupé, 1854) - syn of: Mytilus edulis chilensis (L.H. Hupé, 1854) - (MYTILIDAE)
- chilensis, Mytilus edulis chilensis (L.H. Hupé, 1854) - (MYTILIDAE)
- chilensis, Heminerita chilensis R.A. Philippi, 1887 † - (NERITIDAE) (FOSSIL)
- chilensis, Onchidella chilensis L.H. Hupé in C. Gay, 1854 - syn of: Onchidella marginata (J.P.Y. Couthouy in A.A. Gould, 1852) - (ONCHIDIIDAE)
- chilensis, Onykia chilensis G.J. Pfeffer, 1884 - (ONYCHOTEUTHIDAE)
- chilensis, Ostrea chilensis R.A. Philippi, 1844 - (OSTREIDAE)
- chilensis, Panacca chilensis E.V. Coan, 2000 - (PARILIMYIDAE)
- chilensis, Physa chilensis S. Clessin, 1886 - (PHYSIDAE)
- chilensis, Planorbis chilensis H.E. Anton, 1839 - syn of: Biomphalaria peregrina (A.V.M.D. D'Orbigny, 1835) - (PLANORBIDAE)
- chilensis, Dermatomya chilensis (W.H. Dall, 1908) - (POROMYIDAE)
- chilensis, Janolus chilensis M.A. Fischer, J.L. Cervera & J.A. Ortea, 1997 - (PROCTONOTIDAE)
- chilensis, Sunrisites chilensis Hillebrandt, 2000 † - (PSILOCERATIDAE) (FOSSIL)
- chilensis, Menestho chilensis W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- chilensis, Alvania chilensis (R.A. Philippi, 1887 †) - (RISSOIDAE) (FOSSIL)
- chilensis, Sinezona chilensis D.L. Geiger, 2012 - (SCISSURELLIDAE)
- chilensis, Pisidium chilensis J.E. Gray, 1828 - (SPHAERIIDAE)
- chilensis, Chiliborus chilensis (G.B. I Sowerby, 1833) - (STROPHOCHEILIDAE)
- chilensis, Struthiolarella chilensis (R.A. Philippi, 1887 †) - (STRUTHIOLARIIDAE) (FOSSIL)
- chilensis, Duplicaria chilensis G.P. Deshayes, 1859 - syn of: Duplicaria gemmulata (L.C. Kiener, 1839) - (TEREBRIDAE)
- chilensis, Thyasira chilensis R.A. Philippi, 1887 † - (THYASIRIDAE) (FOSSIL)
- chilensis, Trachyteuthis chilensis Riccardi, 2016 † - (TRACHYTEUTHIDIDAE) (FOSSIL)
- chilensis, Ptychosyrinx chilensis S.S. Berry, 1968 - (TURRIDAE)
- chilensis, Incatella chilensis (Sowerby, 1846 †) - (TURRITELLIDAE) (FOSSIL)
- chilensis, Unio chilensis J.E. Gray, 1828 - syn of: Diplodon chilensis (J.E. Gray, 1852) - (UNIONIDAE)
- chilensis, Venus chilensis d'Orbigny, 1842 † - (VENERIDAE) (FOSSIL)
- chilensis, Venus chilensis W.J. Broderip & G.B. I Sowerby, 1835 - syn of: Leukoma thaca (Molina, 1782) - (VENERIDAE)
- chilensis alduneata, Plectostylus chilensis alduneata L.H. Hupé, 1854 - (BOTHRIEMBRYONTIDAE)
- chilensis charlottae, Ostrea chilensis charlottae H.J. Finlay, 1928 - (OSTREIDAE)
- chilensis flavescens, Plectostylus chilensis flavescens (P.P. King, 1831) - (BOTHRIEMBRYONTIDAE)
- chilensis granifera, Tonicia chilensis granifera (G.B. I Sowerby, 1832) - (CHITONIDAE)
- chilensis lutaria, Ostrea chilensis lutaria F.W. Hutton, 1873 - (OSTREIDAE)
- chilensis patagonica, Diplodon chilensis patagonica (A.V.M.D. D'Orbigny, 1835) - (HYRIIDAE)
- chilenum, Calliostoma chilenum H.A. Rehder, 1971 - syn of: Otukaia chilena (H.A. Rehder, 1971) - (CALLIOSTOMATIDAE)
- chilesi, Hystrivasum chilesi E.J. Petuch, 1994 † - (TURBINELLIDAE) (FOSSIL)
- chiletensis, Scutalus chiletensis W.K. Weyrauch, 1967 - (BULIMULIDAE)
- chiletensis granulatus, Scutalus chiletensis granulatus W.K. Weyrauch, 1967 - (BULIMULIDAE)
- Chileutomia, Genus Chileutomia R. Tate & A.E.M. Cossmann, 1898 (EULIMIDAE)
- chilhoweensis, Appalachina chilhoweensis (J. Lewis, 1870) - (POLYGYRIDAE)
- chiliarches, Monilea chiliarches J.C. Melvill, 1910 - (TROCHIDAE)
- Chiliborus, Genus Chiliborus H.A. Pilsbry, 1926 (STROPHOCHEILIDAE)
- chilidra, Lithabitella chilidra (C.A. Westerlund, 1886) - (HYDROBIIDAE)
- Chilina, Genus Chilina J.E. Gray, 1828 (CHILINIDAE)
- CHILINIDAE Dall, 1870 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-HYGROPHILA [Order]-CHILINOIDEA [Superfamily])
- chilinoides, Paludomus chilinoides L.A. Reeve, 1847 - (PALUDOMIDAE)
- Chiliostigma, Genus Chiliostigma J.C. Melvill, 1918 (RISSOINIDAE)
- chilkaensis, Potamocorbula chilkaensis (H.B. Preston, 1911) - (CORBULIDAE)
- chilkaensis, Brachidontes chilkaensis H.B. Preston, 1911 - syn of: Brachidontes undulatus (R.W. Dunker, 1857) - (MYTILIDAE)
- chilkaensis, Sunetta chilkaensis H.B. Preston, 1914 - syn of: Sunetta meroe (C. Linnaeus, 1758) - (VENERIDAE)
- Chilkaia, Genus Chilkaia H.B. Preston, 1915 (PLANAXIDAE)
- chilkensis, Elysia chilkensis C.N.E. Eliot, 1916 - (PLAKOBRANCHIDAE)
- chilla, Laona chilla (Er. Marcus & Ev. Marcus, 1969) - (LAONIDAE)
- chilla, Philine chilla Er. Marcus & Ev. Marcus, 1969 - syn of: Laona chilla (Er. Marcus & Ev. Marcus, 1969) - (PHILINIDAE)
- chillu, Suniellus chillu A.S.H. Breure, 1978 - (BULIMULIDAE)
- chilluna, Polycera chilluna Er. Marcus, 1961 - (POLYCERIDAE)
- chilmarkensis, Corbula chilmarkensis Cox † - (CORBULIDAE) (FOSSIL)
- chilmarkensis, Pteria chilmarkensis Cox † - (PTERIIDAE) (FOSSIL)
- Chilobrus, syn of: Genus Chiliborus H.A. Pilsbry, 1926 (STROPHOCHEILIDAE)
- Chilocyclus, syn of: Genus Pomatiopsis G.W. Tryon, 1862 (POMATIOPSIDAE)
- Chilocystis, Subgenus Trachycystis (Chilocystis) H. Watson, 1934 (CHAROPIDAE)
- chilodia, Litthabitella chilodia (C.A. Westerlund, 1886) - (HYDROBIIDAE)
- Chilodon, syn of: Genus Helicodonta A.E.J. Férussac in A. Risso, 1826 (HELICODONTIDAE)
- Chilodonta, Genus Chilodonta Étallon, 1862 (CHILODONTIDAE)
- CHILODONTIDAE Wenz, 1938 - Family (GASTROPODA-VETIGASTROPODA [Subclass]-SEGUENZIOIDEA [Superfamily])
- Chilodontina, syn of: Genus Hamusina Gemellaro, 1878 † (CHILODONTIDAE) (FOSSIL)
- Chilodontini, syn of: Genus Hamusina Gemellaro, 1878 † (CHILODONTIDAE) (FOSSIL)
- Chilodontoidea, Genus Chilodontoidea Hudleston, 1896 † (CHILODONTIDAE) (FOSSIL)
- chiloensis, Panopea chiloensis R.A. Philippi, 1897 † - (HIATELLIDAE) (FOSSIL)
- chiloensis, Imbricaria chiloensis (R.A. Philippi, 1887 †) - (MITRIDAE) (FOSSIL)
- chiloensis, Nacella magellanica chiloensis L.A. Reeve, 1855 - (NACELLIDAE)
- chiloensis, Natica chiloensis R.A. Philippi, 1887 † - (NATICIDAE) (FOSSIL)
- chiloensis, Oliva chiloensis L.H. Hupé, 1854 † - syn of: Oliva chilena C. Nielsen, 2003 † - (OLIVIDAE) (FOSSIL)
- chiloensis, Ostrea chiloensis G.B. II Sowerby, 1871 - syn of: Ostrea chilensis R.A. Philippi, 1844 - (OSTREIDAE)
- chiloensis, Pholas chiloensis (J.I. Molina, 1782) - (PHOLADIDAE)
- chiloensis, Thovana chiloensis O.A.L. Mörch, 1861 - syn of: Pholas chiloensis (J.I. Molina, 1782) - (PHOLADIDAE)
- chiloensis, Bankia chiloensis P. Bartsch, 1923 - syn of: Bankia martensi (W. Stempell, 1899) - (TEREDINIDAE)
- chiloensis, Unio chiloensis H.C. Küster, 1861 - syn of: Diplodon chilensis (J.E. Gray, 1852) - (UNIONIDAE)
- chiloensis, Petricola chiloensis R.A. Philippi, 1845 - syn of: Petricola dactylus G.B. I Sowerby, 1823 - (VENERIDAE)
- chiloensis parva, Pholas chiloensis parva G.B. II Sowerby, 1834 - syn of: Pholas chiloensis (J.I. Molina, 1782) - (PHOLADIDAE)
- Chilogymnus, syn of: Genus Zootecus C.A. Westerlund, 1887 (SUBULINIDAE)
- chilona, Loxacypraea chilona (W.H. Dall, 1900 †) - (CYPRAEIDAE) (FOSSIL)
- Chilonatica, Genus Chilonatica Nielsen, 2003 † (NATICIDAE) (FOSSIL)
- Chilonopsis, Genus Chilonopsis G. Fischer von Waldheim, 1848 (SUBULINIDAE)
- chilophorus, Seraphs chilophorus A.E.M. Cossmann, 1889 † - (SERAPHSIDAE) (FOSSIL)
- Chilopyrgula, Genus Chilopyrgula Š. Brusina, 1896 (HYDROBIIDAE)
- chilorhytis, Hungerfordia chilorhytis M. Yamazaki & Ueshima, 2015 - (DIPLOMMATINIDAE)
- Chilostoma, Genus Chilostoma L.I. Fitzinger, 1833 (HELICIDAE)
- chilota, Collisella chilota R. Ramírez, 1974 - syn of: Scurria ceciliana (A.V.M.D. D'Orbigny, 1841) - (LOTTIIDAE)
- chilota, Mulinia chilota D. Frassinetti, 1997 † - (MACTRIDAE) (FOSSIL)
- Chilotrema, syn of: Genus Helicigona A.E.J. Férussac 1821 (HELICIDAE)
- Chilotygma, syn of: Genus Ancilla J.B.P.A. Lamarck, 1799 (ANCILLARIIDAE)
- chilpancingoensis, Coelostemma chilpancingoensis H.A. Pilsbry, 1953 - (UROCOPTIDAE)
- chiltonensis, Elimia chiltonensis (C. Goodrich, 1941) - (PLEUROCERIDAE)
- chiltoni, Ptychodon chiltoni H.H. Suter, 1909 - syn of: Mitodon wairarapa (H.H. Suter, 1890) - (CHAROPIDAE)
- chiltoni, Eatoniella kerguelenensis chiltoni (H.H. Suter, 1909) - (EATONIELLIDAE)
- chiltoni, Cytora chiltoni (H.H. Suter, 1896) - (LIAREIDAE)
- chiltoni, Stosicia chiltoni (W.R.B. Oliver, 1915) - (ZEBINIDAE)
- Chimaera, syn of: Genus Pinna C. Linnaeus, 1758 (PINNIDAE)
- chimaera, Halystes chimaera B.A. Marshall, 1988 - (SEGUENZIIDAE)
- Chimaeria, syn of: Genus Sphaerocypraea F.A. Schilder, 1927 (EOCYPRAEIDAE)
- Chimaeria, syn of: Genus Sphaerocypraea F.A. Schilder, 1927 (EOCYPRAEIDAE)
- Chimaeroderma, syn of: Genus Pinna C. Linnaeus, 1758 (PINNIDAE)
- Chimaeroderma, syn of: Genus Pinna C. Linnaeus, 1758 (PINNIDAE)
- chimaira, Vallonia chimaira J. Gerber, 1996 - (VALLONIIDAE)
- chimbaensis, Littoridina chimbaensis W.A. Biese, 1944 - (COCHLIOPIDAE)
- chimborasensis, Drymaeus chimborasensis (L.A. Reeve, 1848) - (BULIMULIDAE)
- Chimbuites, Genus Chimbuites Casey & Glaessner, 1958 † (PACHYDISCIDAE) (FOSSIL)
- chimbulatiensis, Baylea chimbulatiensis Mazaev, 2015 † - (GOSSELETINIDAE) (FOSSIL)
- Chimela, Genus Chimela Casey, 1952 † (VENERIDAE) (FOSSIL)
- chimera, Atys chimera F.C. Baker & G.D. Hanna, 1927 - (HAMINOEIDAE)
- chimmoi, Neritodryas chimmoi (L.A. Reeve, 1856) - (NERITIDAE)
- Chimotrema, syn of: Genus Stenotrema C.S. Rafinesque, 1819 (POLYGYRIDAE)
- chimuense, Desmoceras chimuense Benavides-Caceres, 1956 † - (DESMOCERATIDAE) (FOSSIL)
- china, Mangelia china F.S. MacNeil, 1960 † - (MANGELIIDAE) (FOSSIL)
- chinaensis, Saccella chinaensis Ilyina, 1954 † - (NUCULANIDAE) (FOSSIL)
- Chinamecaceras, Genus Chinamecaceras Cantu , 2006 † (ASPIDOCERATIDAE) (FOSSIL)
- chinandegana, Turbonilla chinandegana L.G. Hertlein & A.M. Strong, 1951 - (PYRAMIDELLIDAE)
- chinchillaensis, Kammerkarites chinchillaensis Hillebrandt, 2000 † - (SCHLOTHEIMIIDAE) (FOSSIL)
- chinchorroensis, Conasprella chinchorroensis (E.J. Petuch, D.P. Berschauer & Poremski, 2017) - (CONIDAE)
- chinenensis, Turrancilla chinenensis F.S. MacNeil, 1960 † - (ANCILLARIIDAE) (FOSSIL)
- chinenensis, Afer chinenensis F.S. MacNeil, 1960 † - (BUCCINIDAE) (FOSSIL)
- chinenensis, Cancellaria chinenensis F.S. MacNeil, 1960 † - (CANCELLARIIDAE) (FOSSIL)
- chinenensis, Costoanachis chinenensis F.S. MacNeil, 1960 † - (COLUMBELLIDAE) (FOSSIL)
- chinenensis, Dentarene chinenensis F.S. MacNeil, 1960 † - (LIOTIIDAE) (FOSSIL)
- chinenensis, Lioglyphostoma chinenensis F.S. MacNeil, 1960 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- chineni, Diplommatina turris chineni H. Minato, 1981 - (DIPLOMMATINIDAE)
- chinense, Euthria chinense (F.S. MacNeil, 1961) - (BUCCINIDAE)
- chinense, Caecum chinense L. de Folin, 1867 - (CAECIDAE)
- chinense, Ptychopoma chinense O.F. von Möllendorff - (CYCLOPHORIDAE)
- chinense, Ellobium chinense (L. Pfeiffer, 1864) - (ELLOBIIDAE)
- chinense, Cylichnium chinense (G.Y. Lin & W.L. Wu, 1994) - (HAMINOEIDAE)
- chinense, Sinoceras chinense Foord † - (MICHELINOCERATIDAE) (FOSSIL)
- chinense, Roadoceras chinense (Liang, 1981 †) - (PARAGASTRIOCERATIDAE) (FOSSIL)
- chinense, Umbraculum chinense H.C.F. Schumacher, 1817 - (UMBRACULIDAE)
- chinensis, Anomia chinensis R.A. Philippi, 1849 - (ANOMIIDAE)
- chinensis, Assiminea nitida chinensis O. Böttger, 1887 - (ASSIMINEIDAE)
- chinensis, Aegista chinensis (R.A. Philippi, 1845) - (BRADYBAENIDAE)
- chinensis, Bythinella chinensis Y.Y. Liu & W.Z. Zhang, 1979 - (BYTHINELLIDAE)
- chinensis, Calyptraea chinensis (C. Linnaeus, 1758) - (CALYPTRAEIDAE)
- chinensis, Crepidula chinensis J.E. Gray, 1867 - (CALYPTRAEIDAE)
- chinensis, Megacardita chinensis F.S. Xu, 2012 - (CARDITIDAE)
- chinensis, Rhinoclavis chinensis R.W. Dunker, 1882 - syn of: Rhinoclavis sinensis (J.F. Gmelin, 1791) - (CERITHIIDAE)
- chinensis, Chama chinensis J.C. Chenu, 1846 - syn of: Chama brassica L.A. Reeve, 1847 - (CHAMIDAE)
- chinensis, Perrinia chinensis (G.B. III Sowerby, 1888) - (CHILODONTIDAE)
- chinensis, Turcica chinensis G.B. III Sowerby, 1888 - syn of: Perrinia chinensis (G.B. III Sowerby, 1888) - (CHILODONTIDAE)
- chinensis, Dautzenbergiella chinensis H. Nordsieck, 2007 - (CLAUSILIIDAE)
- chinensis, Conus chinensis P.F. Röding, 1798 - syn of: Graphiconus spectrum (C. Linnaeus, 1758) - (CONIDAE)
- chinensis, Cuspidaria chinensis (J.E. Gray in E. Griffith & E. Pidgeon, 1833) - (CUSPIDARIIDAE)
- chinensis, Ovatipsa chinensis (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- chinensis, Erronea chinensis J.F. Gmelin, 1791 - syn of: Ovatipsa chinensis (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- chinensis, Cypraea chinensis J.F. Gmelin, 1791 - syn of: Ovatipsa chinensis (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- chinensis, Striodentalium chinensis Z. Qi & X.T. Ma, 1989 - (DENTALIIDAE)
- chinensis, Elaeocyma chinensis (F.S. MacNeil, 1960) - (DRILLIIDAE)
- chinensis, Parmophorus chinensis H.M.D. de Blainville, 1825 - syn of: Hemitoma sinensis (H.M.D. de Blainville, 1825) - (FISSURELLIDAE)
- chinensis, Glauconome chinensis J.E. Gray, 1828 - (GLAUCONOMIDAE)
- chinensis, Helix chinensis R.A. Philippi, 1845 - syn of: Aegista chinensis (R.A. Philippi, 1845) - (HELICIDAE)
- chinensis, Vexitomina chinensis X.T. Ma, 1989 - syn of: Paradrillia patruelis (E.A. Smith, 1875) - (HORAICLAVIDAE)
- chinensis, Akiyoshia chinensis (Y.Y. Liu, W.Z. Zhang & C. Chen, 1982) - (HYDROBIIDAE)
- chinensis, Saganoa chinensis Y.Y. Liu, W.Z. Zhang & C. Chen, 1982 - syn of: Akiyoshia chinensis (Y.Y. Liu, W.Z. Zhang & C. Chen, 1982) - (HYDROBIIDAE)
- chinensis, Sinicena chinensis Z. Kang, 1986 - (HYDROCENIDAE)
- chinensis, Lapidaria chinensis Z. Kang, 1986 - syn of: Sinicena chinensis Z. Kang, 1986 - (HYDROCENIDAE)
- chinensis, Uroteuthis chinensis (J.E. Gray, 1849) - (LOLIGINIDAE)
- chinensis, Photololigo chinensis (J.E. Gray, 1849) - syn of: Uroteuthis chinensis (J.E. Gray, 1849) - (LOLIGINIDAE)
- chinensis, Mactra chinensis R.A. Philippi, 1846 - (MACTRIDAE)
- chinensis, Coecella chinensis (G.P. Deshayes, 1855) - (MESODESMATIDAE)
- chinensis, Mitra chinensis E. Griffith & E. Pidgeon, 1834 - (MITRIDAE)
- chinensis, Musculus chinensis F.R. Bernard, Y.Y. Cai & F. Morton, 1993 - syn of: Musculus coenobitus (L.L. Vaillant, 1865) - (MYTILIDAE)
- chinensis, Natica chinensis J.B.P.A. Lamarck, 1822 - syn of: Naticarius onca (P.F. Röding, 1798) - (NATICIDAE)
- chinensis, Cistopus chinensis Zheng, G.Y. Lin, C.C. Lu & X.T. Ma, 2012 - (OCTOPODIDAE)
- chinensis, Crenavolva chinensis Z. Qi & X.T. Ma, 1983 - syn of: Cuspivolva allynsmithi (C.N. Cate, 1978) - (OVULIDAE)
- chinensis, Patella chinensis C. Linnaeus, 1758 - syn of: Calyptraea chinensis (C. Linnaeus, 1758) - (PATELLIDAE)
- chinensis, Novaculina chinensis Y.Y. Liu & W.Z. Zhang, 1979 - (PHARIDAE)
- chinensis, Philomycus chinensis T.D.A. Cockerell, 1890 - syn of: Meghimatium bilineatum (W.H. Benson, 1842) - (PHILOMYCIDAE)
- chinensis, Atrina chinensis (G.P. Deshayes, 1841) - (PINNIDAE)
- chinensis, Gyraulus chinensis (R.W. Dunker, 1848) - (PLANORBIDAE)
- chinensis, Plicatula chinensis O.A.L. Mörch, 1853 - syn of: Plicatula plicata (C. Linnaeus, 1767) - (PLICATULIDAE)
- chinensis, Abranchaea chinensis S.P. Zhang, 1964 - (PNEUMODERMATIDAE)
- chinensis, Gammatricula chinensis G.M. Davis & H.X. Liu, 1990 - (POMATIOPSIDAE)
- chinensis, Zaibinkangia chinensis Y.Y. Liu, W.Z. Zhang & C. Chen, 1982 - syn of: Akiyoshia chinensis (Y.Y. Liu, W.Z. Zhang & C. Chen, 1982) - (POMATIOPSIDAE)
- chinensis, Hiatula chinensis (O.A.L. Mörch, 1853) - (PSAMMOBIIDAE)
- chinensis, Gari chinensis (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- chinensis, Pseudovermis chinensis R.N. Hughes, 1991 - (PSEUDOVERMIDAE)
- chinensis, Pteria avicula chinensis W.E. Leach, 1814 - (PTERIIDAE)
- chinensis, Turbonilla chinensis S. Clessin, 1900 - (PYRAMIDELLIDAE)
- chinensis, Volvulopsis chinensis G.Y. Lin & W.L. Wu, 1994 - (RETUSIDAE)
- chinensis, Minolia chinensis (G.B. Sowerby, 1858) - (SOLARIELLIDAE)
- chinensis, Cyclas chinensis J.B.P.A. Lamarck, 1806 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (SPHAERIIDAE)
- chinensis, Spondylus chinensis G.B. Sowerby, 1841 - (SPONDYLIDAE)
- chinensis, Neosuccinea chinensis L. Pfeiffer - (SUCCINEIDAE)
- chinensis, Macomopsis chinensis (S.C.T. Hanley, 1845) - (TELLINIDAE)
- chinensis, Capsa chinensis G.P. Deshayes, 1855 - syn of: Gari chinensis (G.P. Deshayes, 1855) - (TELLINIDAE)
- chinensis, Tonna chinensis (L.W. Dillwyn, 1817) - (TONNIDAE)
- chinensis, Tonna chinensis T. Kira, 1959 - syn of: Tonna chinensis (L.W. Dillwyn, 1817) - (TONNIDAE)
- chinensis, Trochus chinensis R.A. Philippi, 1841 - syn of: Stellaria chinensis (R.A. Philippi, 1841) - (TROCHIDAE)
- chinensis, Turbo chinensis T. Ozawa & M. Tomida, 1995 - (TURBINIDAE)
- chinensis, Acuticosta chinensis (I. Lea, 1868) - (UNIONIDAE)
- chinensis, Scabies chinensis Y.Y. Liu, Y.H. Duan & K.Y. Lai, 1991 - (UNIONIDAE)
- chinensis, Unio chinensis E. Griffith & E. Pidgeon, 1834 - syn of: Diplodon chilensis (J.E. Gray, 1852) - (UNIONIDAE)
- chinensis, Dianisotis chinensis C.S. Rafinesque, 1831 - syn of: Cristaria plicata (W.E. Leach, 1815) - (UNIONIDAE)
- chinensis, Liocallonia chinensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- chinensis, Vallonia chinensis M. Suzuki, 1944 - (VALLONIIDAE)
- chinensis, Liocyma chinensis S.P. Zhang, F.S. Xu & Leng, 2010 - (VENERIDAE)
- chinensis, Callista chinensis (H.S. Holten, 1802) - (VENERIDAE)
- chinensis, Petricola chinensis G.P. Deshayes, 1853 - syn of: Petricola fabagella J.B.P.A. Lamarck, 1818 - (VENERIDAE)
- chinensis, Venus chinensis L.W. Dillwyn, 1817 - syn of: Cyclina sinensis (J.F. Gmelin, 1791) - (VENERIDAE)
- chinensis, Cipangopaludina chinensis (J.E. Gray, 1834) - (VIVIPARIDAE)
- chinensis, Fulgoraria chinensis H.C.F. Schumacher, 1817 - syn of: Fulgoraria rupestris (J.F. Gmelin, 1791) - (VOLUTIDAE)
- chinensis, Stellaria chinensis (R.A. Philippi, 1841) - (XENOPHORIDAE)
- chinensis, Yochelcionella chinensis Pei, 1985 † - (YOCHELCIONELLIDAE) (FOSSIL)
- chinensis amiges, Ovatipsa chinensis amiges (J.C. Melvill & R. Standen, 1915) - (CYPRAEIDAE)
- chinensis angusta, Tonna chinensis angusta S.C.T. Hanley, 1860 - syn of: Tonna variegata (J.B.P.A. Lamarck, 1822) - (TONNIDAE)
- chinensis aubryana, Cipangopaludina chinensis aubryana P.M. Heude, 1890 - syn of: Cipangopaludina aubryana (P.M. Heude, 1890) - (VIVIPARIDAE)
- chinensis capensis, Calyptraea chinensis capensis J.R. le B. Tomlin, 1931 - syn of: Calyptraea capensis J.R. le B. Tomlin, 1931 - (CALYPTRAEIDAE)
- chinensis carneopicta, Mactra chinensis carneopicta H.A. Pilsbry, 1904 - (MACTRIDAE)
- chinensis compactus, Cipangopaludina chinensis compactus (G. Nevill, 1869) - (VIVIPARIDAE)
- Chinensis complex, syn of: Genus Tonna M.T. Brünnich, 1772 (TONNIDAE)
- chinensis fluminalis, Cipangopaludina chinensis fluminalis P.M. Heude, 1890 - syn of: Cipangopaludina fluminalis (P.M. Heude, 1890) - (VIVIPARIDAE)
- chinensis formosensis, Cipangopaludina chinensis formosensis (W. Kobelt, 1876) - (VIVIPARIDAE)
- chinensis laeta, Cipangopaludina chinensis laeta (E.C. Von Martens, 1860) - (VIVIPARIDAE)
- chinensis laevis, Acuticosta chinensis laevis (P.M. Heude, 1883) - (UNIONIDAE)
- chinensis magnifica, Tonna chinensis magnifica (G.B. Sowerby, 1904) - (TONNIDAE)
- chinensis malleata, Cipangopaludina chinensis malleata L.A. Reeve, 1863 - syn of: Cipangopaludina malleata (L.A. Reeve, 1863) - (VIVIPARIDAE)
- chinensis somaliana, Ovatipsa chinensis somaliana F.Jr. Lorenz, 1999 - (CYPRAEIDAE)
- chinensis spirillus, Gyraulus chinensis spirillus A.A. Gould, 1859 - syn of: Gyraulus spirillus A.A. Gould, 1859 - (PLANORBIDAE)
- chinensis squammosus, Acuticosta chinensis squammosus (P.M. Heude, 1883) - (UNIONIDAE)
- chinensis squamulata, Calyptraea chinensis squamulata (C. Linnaeus, 1758) - (CALYPTRAEIDAE)
- chinensis subscrobiculata, Mitra chinensis subscrobiculata (A.V.M.D. D'Orbigny, 1852) - (MITRIDAE)
- chinensis tokyoensis, Gyraulus chinensis tokyoensis A. Mori, 1938 - syn of: Gyraulus tokyoensis A. Mori, 1938 - (PLANORBIDAE)
- chinensis tortirostris, Cypraea chinensis tortirostris G.B. III Sowerby, 1906 - syn of: Ovatipsa chinensis (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- chinensis variolaria, Ovatipsa chinensis variolaria (J.B.P.A. Lamarck, 1810) - (CYPRAEIDAE)
- chinensis violacea, Ovatipsa chinensis violacea (S.T. Rous, 1905) - (CYPRAEIDAE)
- chinensis violacea tortirostris, Ovatipsa chinensis violacea tortirostris (G.B. Sowerby, 1904) - (CYPRAEIDAE)
- chinensis whitworthi, Ovatipsa chinensis whitworthi C.N. Cate, 1964 - (CYPRAEIDAE)
- Chinensis-complex, syn of: Genus Tonna M.T. Brünnich, 1772 (TONNIDAE)
- chinesis, Umbraculum chinesis H.C.F. Schumacher, 1817 - syn of: Umbraculum umbraculum sinicum (J.F. Gmelin, 1791) - (UMBRACULIDAE)
- chinglinae, Epitonium chinglinae Y.C. Lee & W.L. Wu, 1998 - (EPITONIIDAE)
- chingshanensis, Leptesthes chingshanensis A.W. Grabau, 1923 † - syn of: Nakamuranaia chingshanensis (A.W. Grabau, 1923 †) - (CARDIIDA (unassigned)) (FOSSIL)
- chingshanensis, Nakamuranaia chingshanensis (A.W. Grabau, 1923 †) - (NAKAMURANAIADIDAE) (FOSSIL)
- Chingua, Subgenus Nerita (Chingua) Clark & Durham, 1946 † (NERITIDAE) (FOSSIL)
- chinguensis, Ficus chinguensis Clark & J.W. Durham, 1946 † - (FICIDAE) (FOSSIL)
- chinguensis, Chingua chinguensis Clark & J.W. Durham, 1946 † - (NERITIDAE) (FOSSIL)
- chingwangtaoense, Chihlioceras chingwangtaoense A.W. Grabau, 1922 † - (CHIHLIOCERATIDAE) (FOSSIL)
- chiniana, Anodonta chiniana C.T. Simpson, 1900 - syn of: Sinanodonta woodiana (I. Lea, 1834) - (UNIONIDAE)
- chinianense, Saloceras chinianense (Thoral, 1935 †) - (EOTHINOCERATIDAE) (FOSSIL)
- chinii, Homalocantha melanamathos chinii G. Biraghi, 1984 - (MURICIDAE)
- chinitnaensis, Chinitnites chinitnaensis Imlay, 1975 † - (CADOCERATIDAE) (FOSSIL)
- chinitnana, Oxycerites chinitnana Imlay, 1953 † - (OPPELIIDAE) (FOSSIL)
- chinitnense, Pseudocadoceras chinitnense Imlay, 1953 † - (CADOCERATIDAE) (FOSSIL)
- Chinitnites, Genus Chinitnites Imlay , 1975 † (CADOCERATIDAE) (FOSSIL)
- chinoi, Manaria chinoi K. Fraussen, 2005 - (BUCCINIDAE)
- chinoi, Engina chinoi K. Fraussen, 2009 - (BUCCINIDAE)
- chinoi, Calliostoma chinoi G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (CALLIOSTOMATIDAE)
- chinoi, Mitrella chinoi D. Monsecour & A.M. Dekkers, 2013 - (COLUMBELLIDAE)
- chinoi, Conus chinoi T. Shikama, 1970 - syn of: Fraterconus distans (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- chinoi, Vexillum chinoi G.T. Poppe, 2008 - (COSTELLARIIDAE)
- chinoi, Cheilea chinoi Thach, 2017 - (HIPPONICIDAE)
- chinoi, Macteola chinoi P. Stahlschmidt, K. Fraussen & R.N. Kilburn, 2012 - (MANGELIIDAE)
- chinoi, Fulgoraria chinoi (P. Bail, 2000) - (VOLUTIDAE)
- chinoi, Musashia chinoi P. Bail, 2000 - syn of: Fulgoraria chinoi (P. Bail, 2000) - (VOLUTIDAE)
- chinookensis, Calyptogena chinookensis R.L. Squires & Goedert, 1991 † - (VESICOMYIDAE) (FOSSIL)
- chinooki, Odostomia chinooki P. Bartsch, 1927 - (PYRAMIDELLIDAE)
- chinsuiensis, Anomalodiscus chinsuiensis Masuda & Huang 1994 † - (VENERIDAE) (FOSSIL)
- chintongia, Prospondylus chintongia Yancey, 1985 † - (PSEUDOMONOTIDAE) (FOSSIL)
- chiocchi, Stomatia chiocchi Stoppani, 1858 † - syn of: Delphinulopsis binodosa (Münster, 1841 †) - (TROCHIDAE) (FOSSIL)
- Chioceras, Genus Chioceras Renz & Renz, 1948 † (MELAGATHICERATIDAE) (FOSSIL)
- chion, Allodiscus chion E.R. Sykes, 1896 - (CHAROPIDAE)
- Chion, Subgenus Donax (Chion) J.A. Scopoli, 1777 (DONACIDAE)
- chion, Zootecus chion (L. Pfeiffer, 1856) - (SUBULINIDAE)
- chionacea, Megapitaria squalida chionacea (K.T. Menke, 1847) - (VENERIDAE)
- chionaea, Periglypta chionaea K.T. Menke, 1847 - syn of: Megapitaria squalida (G.B. I Sowerby, 1835) - (VENERIDAE)
- Chione, Genus Chione J.K. Megerle Von Mühlfeld, 1811 (VENERIDAE)
- chione, Callista chione (C. Linnaeus, 1758) - (VENERIDAE)
- chione brevior, Meretrix chione brevior M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1893 - syn of: Callista chione (C. Linnaeus, 1758) - (VENERIDAE)
- chione elongata, Meretrix chione elongata M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1893 - syn of: Callista chione (C. Linnaeus, 1758) - (VENERIDAE)
- chione major, Meretrix chione major M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1893 - syn of: Callista chione (C. Linnaeus, 1758) - (VENERIDAE)
- chionea, Eulima chionea P. Bouchet & A. Warén, 1986 - (EULIMIDAE)
- chionea, Helicina chionea H.A. Pilsbry, 1949 - (HELICINIDAE)
- chionea, Eucithara chionea J.C. Melvill & R. Standen, 1899 - syn of: Eucithara coronata (R.B. Hinds, 1843) - (MANGELIIDAE)
- chionea, Cythara chionea J.C. Melvill & R. Standen, 1899 - syn of: Eucithara coronata (R.B. Hinds, 1843) - (MANGELIIDAE)
- chioneformis, Agriopoma chioneformis Gardner, 1943 † - (VENERIDAE) (FOSSIL)
- chionella, Monetaria chionella G.R. Sulliotti, 1924 - syn of: Monetaria moneta (C. Linnaeus, 1758) - (CYPRAEIDAE)
- Chionella, Subgenus Pitar (Chionella) Cossmann, 1886 † (VENERIDAE) (FOSSIL)
- chionensis, Paranannites chionensis Arthaber, 1911 † - syn of: Arnautoceltites mediterraneus (Arthaber, 1911 †) - (MELAGATHICERATIDAE) (FOSSIL)
- Chioneryx, Subgenus Timoclea (Chioneryx) T. Iredale, 1924 (VENERIDAE)
- chionia, Cypraea chionia J.C. Melvill, 1888 - syn of: Cypraea tigris C. Linnaeus, 1758 - (CYPRAEIDAE)
- chionia, Simomactra chionia (J.R. le B. Tomlin, 1921) - (MACTRIDAE)
- chionia, Mactrinula chionia J.R. le B. Tomlin, 1921 - syn of: Simomactra chionia (J.R. le B. Tomlin, 1921) - (MACTRIDAE)
- Chionista, Subgenus Chione (Chionista) A.M. Keen, 1958 (VENERIDAE)
- chionobasis, Bloyetia chionobasis (H.A. Pilsbry, 1897) - (UROCYCLIDAE)
- chionodes, Pazinotus chionodes R. Houart & V. Héros, 2012 - (MURICIDAE)
- chionodiscus, Sphincterochila chionodiscus (O. Böttger, 1874) - syn of: Sphincterochila chionudiscus (O. Böttger, 1874) - (SPHINCTEROCHILIDAE)
- Chionopsis, Subgenus Chione (Chionopsis) A.A. Olsson, 1932 (VENERIDAE)
- chionostoma, Megalobulimus chionostoma (O.A.L. Mörch, 1852) - (MEGALOBULIMIDAE)
- chionudiscus, Sphincterochila chionudiscus (O. Böttger, 1874) - (SPHINCTEROCHILIDAE)
- Chioraera, syn of: Genus Melibe P.C.A.S.L. Rang, 1829 (TETHYDIDAE)
- chiosensis, Megaphyllites chiosensis Fantini Sestini, 1981 † - (MEGAPHYLLITIDAE) (FOSSIL)
- chiotica, Columbites chiotica Renz & Renz, 1948 † - syn of: Subcolumbites dusmani (Arthaber, 1911 †) - (COLUMBITIDAE) (FOSSIL)
- Chiotites, Genus Chiotites Chiotites † (MELAGATHICERATIDAE) (FOSSIL)
- chipatai, Hamiticeras chipatai Kakabadze & Hoedemaeker, 1997 † - (ANCYLOCERATIDAE) (FOSSIL)
- chipolaensis, Elliptio chipolaensis B. Walker, 1905 - (UNIONIDAE)
- chipolana, Ancilla chipolana W.H. Dall, 1900 † - (ANCILLARIIDAE) (FOSSIL)
- chipolana, Architectonica chipolana W.H. Dall, 1892 † - (ARCHITECTONICIDAE) (FOSSIL)
- chipolana, Hesperisternia chipolana Gardner, 1944 † - (BUCCINIDAE) (FOSSIL)
- chipolana, Bursa chipolana G. Schmelz, 1997 † - (BURSIDAE) (FOSSIL)
- chipolana, Calliostoma chipolana (W.H. Dall, 1892 †) - (CALLIOSTOMATIDAE) (FOSSIL)
- chipolana, Cypraecassis chipolana Duerr, 2001 † - (CASSIDAE) (FOSSIL)
- chipolana, Vaginella chipolana W.H. Dall, 1892 † - (CAVOLINIIDAE) (FOSSIL)
- chipolana, Rhinoclavis chipolana (W.H. Dall, 1892 †) - (CERITHIIDAE) (FOSSIL)
- chipolana, Chama chipolana W.H. Dall, 1903 † - (CHAMIDAE) (FOSSIL)
- chipolana, Varicorbula chipolana (Gardner, 1928 †) - (CORBULIDAE) (FOSSIL)
- chipolana, Abderospira chipolana W.H. Dall, 1895 † - syn of: Roxania chipolana (W.H. Dall, 1895 †) - (CYLICHNIDAE) (FOSSIL)
- chipolana, Polygireulima chipolana (C.J. Maury, 1910 †) - (EULIMIDAE) (FOSSIL)
- chipolana, Diodora chipolana (W.H. Dall, 1892 †) - (FISSURELLIDAE) (FOSSIL)
- chipolana, Limaria chipolana E.H. Vokes, 1973 † - (LIMIDAE) (FOSSIL)
- chipolana, Alaba chipolana W.H. Dall, 1892 † - (LITIOPIDAE) (FOSSIL)
- chipolana, Miltha chipolana W.H. Dall, 1903 † - (LUCINIDAE) (FOSSIL)
- chipolana, Mactra chipolana W.H. Dall, 1898 † - (MACTRIDAE) (FOSSIL)
- chipolana, Serrata chipolana C.J. Maury, 1910 † - (MARGINELLIDAE) (FOSSIL)
- chipolana, Scabricola chipolana G. Schmelz, 2001 † - (MITRIDAE) (FOSSIL)
- chipolana, Pallacera chipolana (W.H. Dall, 1896 †) - (NASSARIIDAE) (FOSSIL)
- chipolana, Neverita chipolana W.H. Dall, 1892 † - (NATICIDAE) (FOSSIL)
- chipolana, Smaragdia chipolana (W.H. Dall, 1892 †) - (NERITIDAE) (FOSSIL)
- chipolana, Nucinella chipolana E.H. Vokes, 1985 † - (NUCINELLIDAE) (FOSSIL)
- chipolana, Nucula chipolana W.H. Dall, 1898 † - (NUCULIDAE) (FOSSIL)
- chipolana, Eulithidium affine chipolana J. Gardner, 1937 † - (PHASIANELLIDAE) (FOSSIL)
- chipolana, Atrina chipolana W.H. Dall, 1898 † - (PINNIDAE) (FOSSIL)
- chipolana, Pteria chipolana W.H. Dall, 1898 † - (PTERIIDAE) (FOSSIL)
- chipolana, Cylichnina chipolana (W.H. Dall, 1896 †) - (RETUSIDAE) (FOSSIL)
- chipolana, Ringicula chipolana W.H. Dall † - (RINGICULIDAE) (FOSSIL)
- chipolana, Rissoina chipolana W.H. Dall, 1892 † - (RISSOINIDAE) (FOSSIL)
- chipolana, Roxania chipolana (W.H. Dall, 1895 †) - (SCAPHANDRIDAE) (FOSSIL)
- chipolana, Semele chipolana W.H. Dall, 1900 † - (SEMELIDAE) (FOSSIL)
- chipolana, Ervilia chipolana W.H. Dall, 1898 † - (SEMELIDAE) (FOSSIL)
- chipolana, Tellinella chipolana W.H. Dall, 1900 † - (TELLINIDAE) (FOSSIL)
- chipolana, Erato chipolana C.J. Maury, 1910 † - (TRIVIIDAE) (FOSSIL)
- chipolana, Turbinella chipolana W.H. Dall, 1890 † - (TURBINELLIDAE) (FOSSIL)
- chipolana, Lithopoma chipolana (W.H. Dall, 1892 †) - (TURBINIDAE) (FOSSIL)
- chipolana, Astraea chipolana W.H. Dall, 1892 † - syn of: Lithopoma chipolana (W.H. Dall, 1892 †) - (TURBINIDAE) (FOSSIL)
- chipolana, Turritella chipolana W.H. Dall, 1892 † - (TURRITELLIDAE) (FOSSIL)
- chipolana, Dosinia chipolana W.H. Dall, 1903 † - (VENERIDAE) (FOSSIL)
- chipolana carolina, Varicorbula chipolana carolina H.G. Richards, 1947 † - (CORBULIDAE) (FOSSIL)
- chipolanum, Caecum chipolanum Gardner, 1947 † - (CAECIDAE) (FOSSIL)
- chipolanum, Crucibulum chipolanum W.H. Dall, 1892 † - (CALYPTRAEIDAE) (FOSSIL)
- chipolanum, Cerastoderma chipolanum W.H. Dall, 1900 † - (CARDIIDAE) (FOSSIL)
- chipolanum, Tenuicerithium chipolanum (W.H. Dall, 1892 †) - (CERITHIIDAE) (FOSSIL)
- chipolanum, Glyphostoma chipolanum J. Gardner, 1937 † - (CLATHURELLIDAE) (FOSSIL)
- chipolanum, Dentalium chipolanum Gardner, 1947 † - (DENTALIIDAE) (FOSSIL)
- chipolanum, Cirsotrema chipolanum G. Schmelz & R. Portell, 2007 † - (EPITONIIDAE) (FOSSIL)
- chipolanum, Oniscidia chipolanum W.H. Dall, 1925 † - (HARPIDAE) (FOSSIL)
- chipolanum, Sinum chipolanum W.H. Dall, 1892 † - (NATICIDAE) (FOSSIL)
- chipolanum, Strioterebrum chipolanum W.H. Dall, 1892 † - (TEREBRIDAE) (FOSSIL)
- chipolanum, Idioraphe chipolanum (W.H. Dall, 1892 †) - (TORNIDAE) (FOSSIL)
- chipolanum alumen, Cerastoderma chipolanum alumen J. Gardner, 1928 † - (CARDIIDAE) (FOSSIL)
- chipolanum dodoneum, Crucibulum chipolanum dodoneum J. Gardner, 1937 † - (CALYPTRAEIDAE) (FOSSIL)
- chipolanus, Acteon chipolanus W.H. Dall, 1896 † - (ACTEONIDAE) (FOSSIL)
- chipolanus, Capulus chipolanus Gardner, 1947 † - (CAPULIDAE) (FOSSIL)
- chipolanus, Conus chipolanus W.H. Dall, 1896 † - (CONIDAE) (FOSSIL)
- chipolanus, Kalolophus chipolanus (W.H. Dall, 1903 †) - (CRASSATELLIDAE) (FOSSIL)
- chipolanus, Crassatellites chipolanus W.H. Dall, 1903 † - syn of: Kalolophus chipolanus (W.H. Dall, 1903 †) - (CRASSATELLIDAE) (FOSSIL)
- chipolanus, Donax chipolanus W.H. Dall, 1900 † - (DONACIDAE) (FOSSIL)
- chipolanus, Typhinellus chipolanus R.L. Gertman, 1969 † - (MURICIDAE) (FOSSIL)
- chipolanus, Siratus chipolanus (W.H. Dall, 1890 †) - (MURICIDAE) (FOSSIL)
- chipolanus, Phos chipolanus W.H. Dall, 1896 † - syn of: Pallacera chipolana (W.H. Dall, 1896 †) - (NASSARIIDAE) (FOSSIL)
- chipolanus, Lindapecten chipolanus (W.H. Dall, 1898 †) - (PECTINIDAE) (FOSSIL)
- chipolanus, Spondylus chipolanus W.H. Dall, 1890 † - (SPONDYLIDAE) (FOSSIL)
- chipolanus, Persististrombus chipolanus (W.H. Dall, 1890 †) - (STROMBIDAE) (FOSSIL)
- chippevarum, Laurentiphysa chippevarum D.W. Taylor, 2003 - (PHYSIDAE)
- Chippewaella, Genus Chippewaella Gunderson, 1993 † (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- chiquita, Heliacus chiquita H.A. Pilsbry & H.N. Lowe, 1932 - syn of: Heliacus areola bicanaliculatus (A. Valenciennes, 1832) - (ARCHITECTONICIDAE)
- chiquita, Montfortia chiquita L.G. Hertlein & A.M. Strong, 1951 - syn of: Octomarginula natlandi (J.W. Durham, 1950) - (FISSURELLIDAE)
- chiquita, Ctena chiquita (W.H. Dall, 1901) - (LUCINIDAE)
- chiquitana, Anodontes chiquitana D'Orbigny, 1835 - syn of: Anodontites trigona (J.B. von Spix & J.A. Wagner, 1827) - (UNIONIDAE)
- chiquitanum, Pisidium chiquitanum C.F. Ituarte, 2001 - (SPHAERIIDAE)
- chiquitensis, Marisa chiquitensis D'Orbigny, 1835 - syn of: Marisa cornuarietis (C. Linnaeus, 1758) - (AMPULLARIIDAE)
- chiquitica, Gemma chiquitica (I. Richling, 2001) - (HELICINIDAE)
- chira, Bursa chira A.A. Olsson, 1930 † - (BURSIDAE) (FOSSIL)
- chira, Tritiaria chira A.A. Olsson, 1931 † - (NASSARIIDAE) (FOSSIL)
- chira, Cypraedia chira (A.A. Olsson, 1931 †) - (OVULIDAE) (FOSSIL)
- chira, Potamides chira A.A. Olsson, 1931 † - (POTAMIDIDAE) (FOSSIL)
- chira, Knefastia chira A.A. Olsson, 1931 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- chira, Turritella chira A.A. Olsson, 1928 † - (TURRITELLIDAE) (FOSSIL)
- chiraense, Oniscidia chiraense A.A. Olsson, 1931 † - (HARPIDAE) (FOSSIL)
- chiraensis, Architectonica chiraensis A.A. Olsson, 1928 † - (ARCHITECTONICIDAE) (FOSSIL)
- chiraensis, Cyrtochetus chiraensis A.A. Olsson, 1931 † - (BUCCINIDAE) (FOSSIL)
- chiraensis, Conus sauridens chiraensis A.A. Olsson, 1930 † - (CONIDAE) (FOSSIL)
- chiraensis, Ficus chiraensis A.A. Olsson, 1931 † - (FICIDAE) (FOSSIL)
- chiraensis, Yasila chiraensis A.A. Olsson, 1931 † - (MURICIDAE) (FOSSIL)
- chiraensis, Pseudofaunus chiraensis A.A. Olsson, 1931 † - (PACHYCHILIDAE) (FOSSIL)
- chiraensis, Oostrombus chiraensis A.A. Olsson, 1931 † - (STROMBIDAE) (FOSSIL)
- chiraensis, Agriopoma chiraensis A.A. Olsson, 1931 † - (VENERIDAE) (FOSSIL)
- chiragra, Harpago chiragra (C. Linnaeus, 1758) - (STROMBIDAE)
- chiragra, Strombus chiragra C. Linnaeus, 1758 - syn of: Harpago chiragra (C. Linnaeus, 1758) - (STROMBIDAE)
- chiragra, Lambis chiragra C. Linnaeus, 1758 - syn of: Harpago chiragra (C. Linnaeus, 1758) - (STROMBIDAE)
- chiragra, Lambis chiragra C. Linnaeus, 1758 - syn of: Harpago chiragra (C. Linnaeus, 1758) - (STROMBIDAE)
- chiragra arthritica, Lambis chiragra arthritica P.F. Röding, 1798 - syn of: Harpago arthriticus (P.F. Röding, 1798) - (STROMBIDAE)
- chiragra rugosa, Harpago chiragra rugosa (G.B. Sowerby, 1842) - (STROMBIDAE)
- Chiralithes, syn of: Genus Clavilithes Swainson, 1840 † (FASCIOLARIIDAE) (FOSSIL)
- Chiraluta, Genus Chiraluta Olsson, 1931 † (VOLUTIDAE) (FOSSIL)
- Chiratites, Genus Chiratites Monnet & Bucher, 2005 † (BEYRICHITIDAE) (FOSSIL)
- Chirgisia, Genus Chirgisia P. Glöer, H.D. Boeters & V.M. Pešic, 2014 (HYDROBIIDAE)
- chiricahuana, Ashmunella chiricahuana (W.H. Dall, 1896) - (POLYGYRIDAE)
- chiricahuana, Holospira chiricahuana H.A. Pilsbry, 1905 - (UROCOPTIDAE)
- chiricahuana esuritor, Ashmunella chiricahuana esuritor H.A. Pilsbry, 1905 - (POLYGYRIDAE)
- chiricahuanum, Radiocentrum chiricahuanum H.A. Pilsbry, 1905 - (OREOHELICIDAE)
- chiricahuanum obsoleta, Radiocentrum chiricahuanum obsoleta H.A. Pilsbry & J.H. Ferriss, 1910 - (OREOHELICIDAE)
- chiricahuanum percarinata, Radiocentrum chiricahuanum percarinata H.A. Pilsbry & J.H. Ferriss, 1910 - (OREOHELICIDAE)
- chiricova, Anatoma chiricova W.H. Dall, 1919 - syn of: Anatoma kelseyi (W.H. Dall, 1905) - (ANATOMIDAE)
- chiricova, Scissurella chiricova W.H. Dall, 1919 - syn of: Anatoma kelseyi (W.H. Dall, 1905) - (SCISSURELLIDAE)
- Chiridioteuthis, syn of: Genus Chiroteuthis D'Orbigny, 1841 (CHIROTEUTHIDAE)
- chiridotae, Entocolax chiridotae O.A. Scarlato, 1951 - (EULIMIDAE)
- chirigurana, Ostrea democraciana chirigurana F. Hodson & al., 1927 - (OSTREIDAE)
- Chirinda, Subgenus Zingis (Chirinda) Verdcourt, 1999 (UROCYCLIDAE)
- chiripanica, Lucina chiripanica A.A. Olsson, 1942 - syn of: Lucinoma heroica (W.H. Dall, 1901) - (LUCINIDAE)
- chiriquensis, Mesembrinus chiriquensis S.I. Da Costa, 1901 - (BULIMULIDAE)
- chiriquensis, Labyrinthus chiriquensis H.A. Pilsbry, 1910 - (CAMAENIDAE)
- chiriquiana, Saccella chiriquiana A.A. Olsson, 1942 † - (NUCULANIDAE) (FOSSIL)
- chiriquiana, Streptostyla chiriquiana E.C. Von Martens, 1901 - (SPIRAXIDAE)
- chiriquiensis, Anadara chiriquiensis W.M. Gabb, 1861 † - (ARCIDAE) (FOSSIL)
- chiriquiensis, Lirobarleeia chiriquiensis (A.A. Olsson & J.T.L. McGinty, 1958) - (BARLEEIIDAE)
- chiriquiensis, Solenosteira chiriquiensis A.A. Olsson, 1922 † - (BUCCINIDAE) (FOSSIL)
- chiriquiensis, Mesembrinus chiriquiensis S.I. Da Costa, 1901 - syn of: Mesembrinus chiriquensis S.I. Da Costa, 1901 - (BULIMULIDAE)
- chiriquiensis, Labyrinthus uncigera chiriquiensis (H.A. Pilsbry, 1910) - (CAMAENIDAE)
- chiriquiensis, Clavatula chiriquiensis A.A. Olsson, 1922 † - (CLAVATULIDAE) (FOSSIL)
- chiriquiensis, Sincola chiriquiensis (A.A. Olsson, 1922 †) - (COLUMBELLIDAE) (FOSSIL)
- chiriquiensis, Urosalpinx chiriquiensis A.A. Olsson, 1922 - (MURICIDAE)
- chiriquiensis, Olivella nivea chiriquiensis A.A. Olsson, 1956 - (OLIVELLIDAE)
- chiriquiensis, Alvania chiriquiensis A.A. Olsson & J.T.L. McGinty, 1958 - (RISSOIDAE)
- chiriquiensis, Laeviglandina chiriquiensis (S.I. Da Costa, 1900) - (SPIRAXIDAE)
- chiriquiensis, Spondylus chiriquiensis A.A. Olsson, 1922 † - (SPONDYLIDAE) (FOSSIL)
- chiriquiensis, Panacoma chiriquiensis A.A. Olsson, 1942 † - (TELLINIDAE) (FOSSIL)
- chiriquiensis, Bactrospira altilira chiriquiensis (A.A. Olsson, 1922 †) - (TURRITELLIDAE) (FOSSIL)
- chiriquiensis, Lirophora chiriquiensis A.A. Olsson, 1922 † - (VENERIDAE) (FOSSIL)
- chiriquiensis anguillana, Anadara chiriquiensis anguillana Cooke, 1919 - (ARCIDAE)
- chiriquiensis bolivari, Anadara chiriquiensis bolivari N.E. Weisbord, 1922 - (ARCIDAE)
- chirlii, Marshallopsis chirlii A. Cecalupo & I. Perugia, 2014 - (CERITHIOPSIDAE)
- chiroctes, Loliolopsis chiroctes S.S. Berry, 1929 - syn of: Lolliguncula diomedeae (W.E. Hoyle, 1904) - (LOLIGINIDAE)
- Chiroktisma, syn of: Genus Geotrochus J.C. van Hasselt, 1823 (HELICARIONIDAE)
- chiron, Flammulina chiron (J.E. Gray, 1850) - (CHAROPIDAE)
- Chironia, syn of: Genus Kellia W.H. Turton, 1822 (KELLIIDAE)
- Chiropsis, syn of: Genus Chiroteuthis D'Orbigny, 1841 (CHIROTEUTHIDAE)
- Chirosoma, Subgenus Chiroteuthis (Chirosoma) L.M.A.O.E. Joubin, 1912 (CHIROTEUTHIDAE)
- chirotensis, Concholepas chirotensis DeVries, 2000 † - (MURICIDAE) (FOSSIL)
- CHIROTEUTHIDAE Gray, 1849 - Family (CEPHALOPODA-COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-OEGOPSIDA [Order])
- Chiroteuthis, Genus Chiroteuthis D'Orbigny, 1841 (CHIROTEUTHIDAE)
- Chiroteuthoides, Genus Chiroteuthoides S.S. Berry, 1920 (CHIROTEUTHIDAE)
- Chiroteuthopsis, syn of: Genus Mastigoteuthis A.E. Verrill, 1881 (MASTIGOTEUTHIDAE)
- Chirothauma, syn of: Genus Cirrothauma C. Chun, 1911 (CIRROTEUTHIDAE)
- chirotrema, Mesembrisepia chirotrema (S.S. Berry, 1918) - (SEPIIDAE)
- chirovanga, Turbonilla chirovanga A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- chirura, Siphonaria normalis chirura H.A. Pilsbry, 1920 - (SIPHONARIIDAE)
- chischa, Frechites chischa Tozer, 1967 † - (BEYRICHITIDAE) (FOSSIL)
- chischeformis, Frechites chischeformis Konstantinov, 1991 † - (BEYRICHITIDAE) (FOSSIL)
- chishimana, Astarte chishimana S. Nomura, 1934 † - (ASTARTIDAE) (FOSSIL)
- chishimana, Karaftohelix bocageana chishimana (H.A. Pilsbry & Y. Hirase, 1904) - (BRADYBAENIDAE)
- chishimana, Striatura chishimana H.A. Pilsbry & Y. Hirase, 1904 - (GASTRODONTIDAE)
- chishimana, Pholadidea chishimana T. Habe, 1955 - syn of: Penitella gabbii (G.W. Tryon, 1863) - (PHOLADIDAE)
- chishimana, Penitella chishimana T. Habe, 1955 - syn of: Penitella gabbii (G.W. Tryon, 1863) - (PHOLADIDAE)
- chishimana, Cincinna chishimana L.A. Prozorova & Y.I. Starobogatov, 1999 - (VALVATIDAE)
- chishimana, Macrocallista chishimana H.A. Pilsbry, 1905 - syn of: Ezocallista brevisiphonata (P.P. Carpenter, 1864) - (VENERIDAE)
- chishimanum, Buccinum chishimanum H.A. Pilsbry, 1904 - (BUCCINIDAE)
- chishimanum nux, Buccinum chishimanum nux T. Habe & K. Itô, 1965 - (BUCCINIDAE)
- chisikense, Paracadoceras chisikense Imlay, 1953 † - (CADOCERATIDAE) (FOSSIL)
- Chisiloceras, Genus Chisiloceras Gortani, 1934 † (ENDOCERIDA (UNASSIGNED)) (FOSSIL)
- chisosensis, Humboldtiana chisosensis H.A. Pilsbry, 1927 - (HUMBOLDTIANIDAE)
- chisosensis, Daedalochila chisosensis H.A. Pilsbry, 1936 - (POLYGYRIDAE)
- chispaense, Coilopoceras chispaense Adkins, 1931 † - syn of: Coilopoceras springeri A. Hyatt, 1903 † - (COILOPOCERATIDAE) (FOSSIL)
- chispaensis, Spathites chispaensis Kummel & Decker, 1954 † - (ACANTHOCERATIDAE) (FOSSIL)
- chispaensis, Pseudoschloenbachia chispaensis Adkins, 1929 † - (MUNIERICERATIDAE) (FOSSIL)
- chispensis, Avellana chispensis Stanton, 1947 † - (RINGICULIDAE) (FOSSIL)
- chistikovi, Chaetoderma chistikovi (D. Ivanov, 1986) - (CHAETODERMATIDAE)
- chistikovi, Gymnobela chistikovi A.V. Sysoev & D.L. Ivanov, 1985 - (RAPHITOMIDAE)
- Chistikovia, Genus Chistikovia V. Scarabino, 1995 (WEMERSONIELLIDAE)
- chitaniana, Plesioacirsa chitaniana (M. Yokoyama, 1926 †) - (EPITONIIDAE) (FOSSIL)
- chitaniana, Turbonilla chitaniana M. Yokoyama, 1926 - syn of: Acirsa martensi (M.E.A. de Boury, 1913) - (PYRAMIDELLIDAE)
- chitanii, Glycymeris chitanii M. Yokoyama, 1929 † - (GLYCYMERIDIDAE) (FOSSIL)
- chitanii, Bullia chitanii Yokoyama, 1926 † - (NASSARIIDAE) (FOSSIL)
- chitanii, Calyptogena chitanii (K. Kanehara, 1937 †) - (VESICOMYIDAE) (FOSSIL)
- chitianum, Phyllopachyceras chitianum Imlay, 1960 † - (PHYLLOCERATIDAE) (FOSSIL)
- CHITINOTEUTHIDAE - syn of Family: CHITINOTEUTHIDIDAE (FOSSIL)
- CHITINOTEUTHIDIDAE Müller-Stoll, 1936 † - Family (CEPHALOPODA-COLEOIDEA [Subclass]-AULACOCERIDA [Order]) (FOSSIL)
- Chitinoteuthis, Genus Chitinoteuthis Müller-Stoll, 1936 † (CHITINOTEUTHIDIDAE) (FOSSIL)
- Chiton, Genus Chiton C. Linnaeus, 1758 (CHITONIDAE)
- chitonellus, Chiton chitonellus H.M.D. de Blainville, 1825 - syn of: Cryptoplax larvaeformis (E.J. Burrow, 1815) - (CHITONIDAE)
- Chitonellus, syn of: Genus Cryptoplax H.M.D. De Blainville, 1818 (CRYPTOPLACIDAE)
- chitonicola, Odostomia chitonicola E.A. Smith, 1899 - (PYRAMIDELLIDAE)
- CHITONIDAE Rafinesque, 1815 - Family (POLYPLACOPHORA-NEOLORICATA [Subclass]-CHITONIDA [Order]-CHITONINA [Suborder]-CHITONOIDEA [Superfamily])
- Chitoniscus, syn of: Genus Choneplax W.H. Dall, 1882 (ACANTHOCHITONIDAE)
- Chitoniscus, syn of: Genus Cryptoplax H.M.D. De Blainville, 1818 (CRYPTOPLACIDAE)
- chitonoides, Patella chitonoides L.A. Reeve, 1854 - syn of: Scutellastra exusta (L.A. Reeve, 1854) - (PATELLIDAE)
- chitonoides, Scutellastra chitonoides L.A. Reeve, 1854 - syn of: Scutellastra exusta (L.A. Reeve, 1854) - (PATELLIDAE)
- chitralensis, Trepospira chitralensis Reed, 1925 † - (EOTOMARIIDAE) (FOSSIL)
- chitralensis, Girtypecten chitralensis (Reed, 1925 †) - (HETEROPECTINIDAE) (FOSSIL)
- chittenangoensis, Novisuccinea chittenangoensis (H.A. Pilsbry, 1908) - (SUCCINEIDAE)
- Chittia, syn of: Subgenus Geomelania (Chittya) H. Adams & A. Adams, 1858 (TRUNCATELLIDAE)
- chittidilense, Metacoceras chittidilense Reed, 1944 † - (TAINOCERATIDAE) (FOSSIL)
- Chittya, Subgenus Geomelania (Chittya) H. Adams & A. Adams, 1858 (TRUNCATELLIDAE)
- chittyana, Caryocorbula chittyana Adams, 1852 - (CORBULIDAE)
- chittyana, Helix chittyana C.B. Adams, 1849 - syn of: Pleurodonte tridentina (A.E.J. Férussac in L. Pfeiffer, 1842) - (HELICIDAE)
- chittyana, Fadyenia chittyana (C.B. Adams, 1849) - (HELICINIDAE)
- chittyana, Eutrochatella chittyana (L. Pfeiffer, 1858) - (HELICINIDAE)
- chittyana bicolor, Helix chittyana bicolor C.B. Adams, 1851 - syn of: Pleurodonte tridentina (A.E.J. Férussac in L. Pfeiffer, 1842) - (HELICIDAE)
- chittyanus, Costavarix chittyanus (H.A. Pilsbry, 1907) - (OLEACINIDAE)
- chittyi, Cyclochittya chittyi (P. Bartsch, 1942) - (NEOCYCLOTIDAE)
- chittyi, Varicellaria griffithii chittyi H.A. Pilsbry, 1907 - (OLEACINIDAE)
- chittyi, Annularia chittyi (C.B. Adams, 1849) - (POMATIIDAE)
- Chittypoma, syn of: Genus Adamsiella L. Pfeiffer, 1851 (POMATIIDAE)
- chitwa, Elysia chitwa Er. Marcus, 1955 - (PLAKOBRANCHIDAE)
- chiui, Oncomelania hupensis chiui T. Habe & K. Miyazaki, 1962 - (POMATIOPSIDAE)
- chiversi, Stenosemus chiversi A. Ferreira, 1981 - (ISCHNOCHITONIDAE)
- chivoti, Anodonta chivoti J. Germain, 1904 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- chiziana, Anodonta chiziana I. Lea, 1836 - syn of: Aspatharia chaiziana (P.C.A.S.L. Rang, 1835) - (UNIONIDAE)
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