- gamachiana, Paupospira gamachiana Twenhofel, 1928 † - syn of: Paupospira manitouliensis (Foerste, 1924 †) - (LOPHOSPIRIDAE) (FOSSIL)
- gamachotensis, Eulimella gamachotensis A.E.M. Cossmann & M.A. Peyrot, 1917 † - (PYRAMIDELLIDAE) (FOSSIL)
- Gamadiscus, syn of: Genus Cyrtodiscus Perner, 1903 † (SINUITIDAE) (FOSSIL)
- gamai, Vascoceras gamai Choffat, 1898 † - (VASCOCERATIDAE) (FOSSIL)
- gamali, Bullata gamali Abbass, 1967 † - (MARGINELLIDAE) (FOSSIL)
- gamana, Arca gamana E. Forbes, 1846 - (ARCIDAE)
- Gamaspira, syn of: Subgenus Amalda (Baryspira) P. Fischer, 1883 (ANCILLARIIDAE)
- gambelense, Chondropoma biforme gambelense P. Bartsch, 1946 - (POMATIIDAE)
- gambettae, Barcania klaptoczi gambettae R.A.M. Brandt, 1956 - (CLAUSILIIDAE)
- gambiae, Natica gambiae C.A. Récluz, 1844 - syn of: Natica collaris J.H.F. Link, 1804 - (NATICIDAE)
- gambiana, Ziba gambiana (W.L.H. Dohrn, 1861) - (MITRIDAE)
- gambiensis, Arca gambiensis L.A. Reeve, 1844 - syn of: Stenocista gambiensis (L.A. Reeve, 1844) - (ARCIDAE)
- gambiensis, Chaetopleura gambiensis (A. de Rochebrune, 1881) - (CHAETOPLEURIDAE)
- gambiensis, Tonicia gambiensis A. de Rochebrune, 1881 - syn of: Chaetopleura gambiensis (A. de Rochebrune, 1881) - (CHITONIDAE)
- gambiensis, Cuna gambiensis M. Nicklés, 1955 - (CONDYLOCARDIIDAE)
- gambiensis, Zonaria zonaria gambiensis H.O.N. Shaw, 1909 - (CYPRAEIDAE)
- gambiensis, Marginella gambiensis J.H. Redfield, 1851 - syn of: Prunum amygdalum (L.C. Kiener, 1841) - (MARGINELLIDAE)
- gambiensis, Purpurellus gambiensis (L.A. Reeve, 1845) - (MURICIDAE)
- gambiensis, Stenocista gambiensis (L.A. Reeve, 1844) - (NOETIIDAE)
- Gambiodonta, Genus Gambiodonta G.A. Solem, 1978 (ENDODONTIDAE)
- gamblei, Astralites gamblei Blodgett & al., 2003 † - (PSEUDOPHORIDAE) (FOSSIL)
- gamelia, Papuina gamelia (G.F. Angas, 1867) - (CAMAENIDAE)
- gamezi, Inbiocystiscus gamezi J.A. Ortea & J. Espinosa, 2001 - (CYSTISCIDAE)
- Gamizyga, Genus Gamizyga Hoare & Sturgeon, 1980 † (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- gamkrelidzei, Colchidites gamkrelidzei Rouchadze, 1933 † - syn of: Martelites gamkrelidzei (Rouchadze, 1933 †) - (ANCYLOCERATIDAE) (FOSSIL)
- gamkrelidzei, Martelites gamkrelidzei (Rouchadze, 1933 †) - (HETEROCERATIDAE) (FOSSIL)
- gamlitzensis, Potamides gamlitzensis Hilber, 1879 † - (POTAMIDIDAE) (FOSSIL)
- gamma, Austrofusus gamma Finlay, 1926 † - (BUCCINIDAE) (FOSSIL)
- gamma, Photinula gamma A. de Rochebrune & J.F. Mabille, 1885 - syn of: Photinastoma taeniatum (G.B. I Sowerby, 1825) - (CALLIOSTOMATIDAE)
- gamma, Pleuropoma laciniosa gamma H.A. Pilsbry & C.M. Cooke, 1908 - (HELICINIDAE)
- gamma, Pectinodonta gamma B. A. Marshall, Puillandre, Lambourdière, Couloux & Samadi, 2016 - (PECTINODONTIDAE)
- gamma, Onoba gamma (A.W.B. Powell, 1955) - (RISSOIDAE)
- gamma, Niveria gamma M.K. Mestayer, 1927 - syn of: Pusula pediculus (C. Linnaeus, 1758) - (TRIVIIDAE)
- gamma, Conomitra vincentiana gamma A.E.M. Cossmann, 1881 - (VOLUTOMITRIDAE)
- Gammadiscus, Genus Gammadiscus Horn, 1962 † (BELLEROPHONTIDA (UNASSIGNED)) (FOSSIL)
- gammarhipaeum, Phillipsoceras gammarhipaeum Ruzhencev & Bogoslovskaya, 1978 † - (RETICULOCERATIDAE) (FOSSIL)
- Gammatricula, Genus Gammatricula G.M. Davis & H.X. Liu, 1990 (POMATIOPSIDAE)
- Gamopleura, Genus Gamopleura Bellardi, 1873 † (CAVOLINIIDAE) (FOSSIL)
- ganapati, Berthelinia ganapati A.L.N. Sarma, 1975 - (JULIIDAE)
- ganapatii, Berthelinia ganapatii A.L.N. Sarma, 1975 - (JULIIDAE)
- ganciniensis, Spatha ganciniensis A. de Rochebrune, 1886 - syn of: Aspatharia semicorrugata (H.B. Preston, 1909) - (IRIDINIDAE)
- ganda, Doto ganda Er. Marcus, 1961 - syn of: Doto amyra Er. Marcus, 1961 - (DOTIDAE)
- Gandakites, Genus Gandakites Krystyn , 1982 † (TIBETITIDAE) (FOSSIL)
- gandiensis, Potomida gandiensis H. Drouët, 1888 - syn of: Potomida littoralis (G.L.C.F.D. Cuvier, 1798) - (UNIONIDAE)
- gandjaeformis, Cataceramus gandjaeformis Walaszczyk, Cobban & Harries, 2001 † - (INOCERAMIDAE) (FOSSIL)
- gandocaensis, Rissoella gandocaensis J.A. Ortea & J. Espinosa, 2001 - (RISSOELLIDAE)
- gandolfii, Aeolidia gandolfii J.B. Vérany, 1846 - (AEOLIDIIDAE)
- gandyensis, Imogloba gandyensis (W.J. Gordon & E.L. Yochelson, 1987 †) - (IMOGLOBIDAE) (FOSSIL)
- ganelini, Costatoaphanaia ganelini (Biakov, 1992 †) - (ATOMODESMATIDAE) (FOSSIL)
- ganelini, Paravalhallites ganelini Shimanskiy, 1990 † - (KONINCKIOCERATIDAE) (FOSSIL)
- ganense, Dentalium ganense A.E.M. Cossmann, 1923 † - (DENTALIIDAE) (FOSSIL)
- ganensis, Plesiotriton ganensis Lesport, Cluzaud & A. Verhecken, 2015 † - (CANCELLARIIDAE) (FOSSIL)
- ganensis, Euchilotheca ganensis Curry, 1982 † - (CAVOLINIIDAE) (FOSSIL)
- ganensis, Grovesia ganensis L. Dolin & Ledon, 2002 † - (EOCYPRAEIDAE) (FOSSIL)
- ganensis, Raphitoma ganensis A.E.M. Cossmann, 1923 † - (RAPHITOMIDAE) (FOSSIL)
- ganensis, Tellina ganensis A.E.M. Cossmann, 1923 † - (TELLINIDAE) (FOSSIL)
- ganensis, Antiphora ganensis A. Nützel, 1998 † - (TRIPHORIDAE) (FOSSIL)
- ganensis, Boutillieria ganensis D. Merle, 1984 † - (TURBINIDAE) (FOSSIL)
- ganensis?, Glycymeris ganensis? (A.E.M. Cossmann, 1923 †) - (GLYCYMERIDIDAE) (FOSSIL)
- ganesa, Ammonites ganesa E. Forbes, 1846 † - syn of: Pachydiscus egertoni (E. Forbes, 1846 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- Ganesa, Genus Ganesa J.G. Jeffreys, 1883 (SKENEIDAE)
- Ganesella, Genus Ganesella W.T. Blanford, 1863 (CAMAENIDAE)
- Ganeselloides, Genus Ganeselloides T.C. Yen, 1969 (CAMAENIDAE)
- ganeshai, Acrioceras sarasini ganeshai Sarkar, 1955 † - (ANCYLOCERATIDAE) (FOSSIL)
- Ganga, syn of: Subgenus Paludomus (Tanalia) J.E. Gray, 1847 (PALUDOMIDAE)
- Gangadharites, Genus Gangadharites Diener, 1916 † (CERATITIDA (UNASSIGNED)) (FOSSIL)
- Gangamya, Genus Gangamya Silantiev, Chandra & Urazaeva, 2015 † (PROKOPIEVSKIIDAE) (FOSSIL)
- Gangetia, Genus Gangetia C.M.F. Ancey, 1890 (STENOTHYRIDAE)
- gangetica, Phrontis gangetica H.B. Preston, 1904 - syn of: Nassarius subconstrictus (G.B. III Sowerby, 1899) - (NASSARIIDAE)
- gangetica, Novaculina gangetica W.H. Benson, 1830 - (PHARIDAE)
- gangeticum, Ellobium gangeticum (L. Pfeiffer, 1855) - (ELLOBIIDAE)
- gangeticum, Auriculodes gangeticum L. Pfeiffer, 1855 - syn of: Ellobium gangeticum (L. Pfeiffer, 1855) - (ELLOBIIDAE)
- gangeticus, Lecanites gangeticus (de Koninck, 1863 †) - (LECANITIDAE) (FOSSIL)
- gangranosa, Erosaria gangranosa (L.W. Dillwyn, 1817) - (CYPRAEIDAE)
- gangranosa, Erosaria gangranosa J.C. Melvill, 1888 - syn of: Erosaria gangranosa reentsii (R.W. Dunker, 1852) - (CYPRAEIDAE)
- gangranosa reentsii, Erosaria gangranosa reentsii (R.W. Dunker, 1852) - (CYPRAEIDAE)
- gangrenosus, Unio gangrenosus A. Schmidt, 1840 - syn of: Unio crassus L. Philipsson in A. Retzius, 1788 - (UNIONIDAE)
- gangshanense, Protocycloceras gangshanense Zou, 1988 † - (PROTOCYCLOCERATIDAE) (FOSSIL)
- Gangshanoceras, Genus Gangshanoceras Zou, 1988 † (PROTEOCERATIDAE) (FOSSIL)
- ganguararica, Corbula ganguararica C.J. Maury, 1936 † - (CORBULIDAE) (FOSSIL)
- ganhamoroba, Exogyra ganhamoroba C.J. Maury, 1936 † - (GRYPHAEIDAE) (FOSSIL)
- Gania, Genus Gania Bandel, 1997 † (PICKWORTHIIDAE) (FOSSIL)
- ganimedes, Orthoceras ganimedes Barrande, 1866 † - (ORTHOCERATIDAE) (FOSSIL)
- GANITIDAE - syn of Family: PARHEDYLIDAE
- Ganitus, Genus Ganitus E.G.G. Marcus, 1953 (PARHEDYLIDAE)
- ganiveti, Ammonites ganiveti Coquand, 1859 † - syn of: Leoniceras ganiveti (Coquand, 1859 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- ganiveti, Leoniceras ganiveti (Coquand, 1859 †) - (PSEUDOTISSOTIIDAE) (FOSSIL)
- gannanensis, Agoniatites gannanensis Ruan, 1987 † - (AGONIATITIDAE) (FOSSIL)
- ganneyica, Neilsonia ganneyica Peel, 2016 † - (GOSSELETINIDAE) (FOSSIL)
- gannita, Engina gannita C. Hedley, 1914 - syn of: Clivipollia contracta (L.A. Reeve, 1846) - (BUCCINIDAE)
- ganodus, Canaridiscus ganodus (J.F. Mabille, 1882) - (DISCIDAE)
- ganoma, Cryptozona juliana ganoma (L. Pfeiffer, 1854) - (ARIOPHANTIDAE)
- Ganomides, syn of: Genus Callistoplepa C.M.F. Ancey, 1888 (ACHATINIDAE)
- Ganomidos, syn of: Genus Callistoplepa C.M.F. Ancey, 1888 (ACHATINIDAE)
- Ganomidus, syn of: Genus Callistoplepa C.M.F. Ancey, 1888 (ACHATINIDAE)
- ganslmayri, Belgrandiella ganslmayri M. Haase, 1993 - (HYDROBIIDAE)
- Gansuella, Genus Gansuella Ma Qihong, 1986 † (CARDIIDA (UNASSIGNED)) (FOSSIL)
- gansuense, Waagenoceras gansuense Liang, 1981 † - (CYCLOLOBIDAE) (FOSSIL)
- gansuensis, Omphaloptycha gansuensis Tong & Erwin, 2001 † - (COELOSTYLINIDAE) (FOSSIL)
- gansuensis, Medlicottia gansuensis Liang, 1981 † - (MEDLICOTTIIDAE) (FOSSIL)
- gansuensis, Discotoma gansuensis Tong & Erwin, 2001 † - (PLEUROTOMARIIDAE) (FOSSIL)
- gansuica, Cathaica gansuica O.F. von Möllendorff, 1899 - (BRADYBAENIDAE)
- Gantechinobathra, syn of: Genus Pyrazopsis Hacobjan, 1972 † (BATILLARIIDAE) (FOSSIL)
- Gantechinobathra, syn of: Genus Pyrazopsis Hacobjan, 1972 † (BATILLARIIDAE) (FOSSIL)
- gantensis, Mifsudia gantensis (K. Bandel, 2005 †) - (CIMIDAE) (FOSSIL)
- gantensis, Lepidochitona gantensis Dell'Angelo & al., 2014 † - (LEPIDOCHITONIDAE) (FOSSIL)
- gantensis, Lepidochitona gantensis Dell'Angelo & al., 2015 † - (LEPIDOCHITONIDAE) (FOSSIL)
- ganteri, Cribrarula cribraria ganteri F.Jr. Lorenz, 1997 - (CYPRAEIDAE)
- gantesae, Haminoea gantesae A. Pruvot-Fol, 1953 - syn of: Haminoea hydatis (C. Linnaeus, 1758) - (HAMINOEIDAE)
- ganti, Marathonites ganti Smith, 1903 † - syn of: Cardiella ganti (Smith, 1903 †) - (ADRIANITIDAE) (FOSSIL)
- ganti, Cardiella ganti (Smith, 1903 †) - (MARATHONITIDAE) (FOSSIL)
- gantmani, Koninckites gantmani A.M. Popov, 1961 † - syn of: Clypeoceratoides gantmani (A.M. Popov, 1961 †) - (BEYRICHITIDAE) (FOSSIL)
- gantmani, Clypeoceratoides gantmani (A.M. Popov, 1961 †) - (PROPTYCHITIDAE) (FOSSIL)
- Gantmelanatria, syn of: Genus Pseudobellardia Cox, 1931 † (PACHYCHILIDAE) (FOSSIL)
- Gantomia, syn of: Genus Pleuroxia C.M.F. Ancey, 1887 (CAMAENIDAE)
- Ganula, Genus Ganula E. Gittenberger, 1970 (HYGROMIIDAE)
- Ganulini, Genus Ganulini Neiber, Razkin & Hausdorf, 2017 (HYGROMIIDAE)
- ganuzaense, Chondropoma pfeifferianum ganuzaense C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- ganuzai, Kamerunoceras ganuzai Wiedmann, 1960 † - (ACANTHOCERATIDAE) (FOSSIL)
- Ganxiella, Genus Ganxiella Liu & Gu, 1989 † (CARDIIDA (UNASSIGNED)) (FOSSIL)
- ganxiensis, Beichuania ganxiensis H.X. Liu & Gu, 1988 † - (BEICHUANIIDAE) (FOSSIL)
- ganymedes, Samoana ganymedes L. Pfeiffer - (PARTULIDAE)
- gaoanensis, Konglingites gaoanensis J.K. Zhao & al., 1978 † - (ARAXOCERATIDAE) (FOSSIL)
- gaoanensis, Acanthopecten gaoanensis Li & Ding, 1982 † - (LIMIPECTINIDAE) (FOSSIL)
- gappi, Reginaites gappi Wiedmann, 1978 † - (COLLIGNONICERATIDAE) (FOSSIL)
- gaptankensis, Preshumardites gaptankensis (Miller, 1930 †) - (SHUMARDITIDAE) (FOSSIL)
- Gara, Subgenus Canariella (Gara) M.R. Alonso & C.M. Ibáñez, 2002 (CANARIELLIDAE)
- garachicoensis, Keraea garachicoensis (T.V. Wollaston, 1878) - (DISCIDAE)
- garaense, Proniceras garaense Spath, 1950 † - (OLCOSTEPHANIDAE) (FOSSIL)
- garajauana, Puzosia garajauana C.J. Maury, 1936 † - (DESMOCERATIDAE) (FOSSIL)
- garambae, Mutela garambae H.A. Pilsbry & J.C. Bequaert, 1927 - syn of: Mutela dubia J.F. Gmelin, 1793 - (IRIDINIDAE)
- garambae praetenuis, Mutela garambae praetenuis H.A. Pilsbry & J.C. Bequaert, 1927 - syn of: Mutela dubia J.F. Gmelin, 1793 - (IRIDINIDAE)
- garandi, Langvophorus garandi (Mansuy 1912) † - (TRAPEZIDAE) (FOSSIL)
- Garantiana, Genus Garantiana Hyatt in Eastman-Zittel, 1900 † (PARKINSONIIDAE) (FOSSIL)
- garantiana, Garantiana garantiana (A.V.M.D. D'Orbigny, 1845 †) - (PARKINSONIIDAE) (FOSSIL)
- Garatella, Genus Garatella Cooper & Leanza, 2017 † (STEINMANELLIDAE)
- garbeanus, Megalobulimus garbeanus J.L.M. Leme, 1964 - (MEGALOBULIMIDAE)
- garbei, Diplodon garbei H.F.A. von Ihering, 1910 - syn of: Rhipidodonta suavidica (I. Lea, 1856) - (HYRIIDAE)
- garbetica, Clausilia garbetica J.R. Bourguignat, 1877 - syn of: Clausilia bidentata abietina (D. Dupuy, 1850) - (CLAUSILIIDAE)
- garbinus, Inyoites garbinus Renz & Renz, 1948 † - syn of: Preflorianites garbinus (Renz & Renz, 1948 †) - (INYOITIDAE) (FOSSIL)
- garbinus, Preflorianites garbinus (Renz & Renz, 1948 †) - (KASHMIRITIDAE) (FOSSIL)
- garceanum, Chondropoma garceanum C. de la Torre, 1913 - syn of: Chondropoma garcianum C. de la Torre, 1913 - (POMATIIDAE)
- garcerii, Odostomia garcerii E. Saurin, 1959 - (PYRAMIDELLIDAE)
- garcesi, Macromphalina garcesi E. Rolán & F. Rubio, 1998 - (VANIKORIDAE)
- Garciacoptis, Subgenus Pfeiffericoptis (Garciacoptis) M.L. Jaume & C. de la Torre, 1972 (UROCOPTIDAE)
- garciacubasi, Pilsbryspira garciacubasi D.R. Shasky, 1971 - (PSEUDOMELATOMIDAE)
- garciagomezi, Felimare garciagomezi (J.A. Ortea & Á. Valdés, 1996) - (CHROMODORIDIDAE)
- garciagomezi, Pleurobranchus garciagomezi J.L. Cervera, G. Cattaneo & M. Edmunds, 1996 - (PLEUROBRANCHIDAE)
- garciai, Zachrysia gundlachiana garciai C.G. Aguayo & M.L. Jaume, 1957 - (CAMAENIDAE)
- garciai, Cerithioclava garciai R.S. Houbrick, 1986 - (CERITHIIDAE)
- garciai, Gradiconus garciai (A.J. Da Motta, 1982) - (CONIDAE)
- garciai, Vexillum garciai R. Salisbury & J. Wolff, 2009 - (COSTELLARIIDAE)
- garciai, Cribrarula garciai F.Jr. Lorenz & B.K. Raines, 2001 - (CYPRAEIDAE)
- garciai, Clathrodrillia garciai P.J. Fallon, 2016 - (DRILLIIDAE)
- garciai, Opalia garciai R.N. Kilburn, 1994 - (EPITONIIDAE)
- garciai, Fusilaria garciai M.A. Snyder, 2013 - (FASCIOLARIIDAE)
- garciai, Tacheocampylaea acropachia garciai (P. Hagenmüller, 1888) - (HELICIDAE)
- garciai, Ferrocina garciai D.W. Taylor & E.A. Glover, 2013 - (LUCINIDAE)
- garciai, Vokesimurex garciai (E.J. Petuch, 1987) - (MURICIDAE)
- garciai, Murex garciai E.J. Petuch, 1987 - syn of: Vokesimurex garciai (E.J. Petuch, 1987) - (MURICIDAE)
- garciai, Opisthosiphon bacillum garciai C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- garciai, Turbonilla garciai A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- garciai, Sinezona garciai D.L. Geiger, 2006 - (SCISSURELLIDAE)
- garciai, Haplocochlias garciai F. Rubio, R. Fernández-Garcés & E. Rolán, 2013 - (SKENEIDAE)
- garciai, Pusula garciai D. Fehse & J. Grego, 2014 - (TRIVIIDAE)
- garciai, Scaphella garciai P. Bail, 2007 - (VOLUTIDAE)
- garciai, Voluta garciai E.J. Petuch, 1981 - syn of: Voluta polypleura J.C.H. Crosse, 1876 - (VOLUTIDAE)
- garciai, Stosicia garciai E. Rolán, R. Fernández-Garcés & Y.C. Lee, 2009 - (ZEBINIDAE)
- garcialvarezi, Falcidens garcialvarezi Señarís & Urgorri, 2016 - (CHAETODERMATIDAE)
- garciana, Hemitrochus garciana W.J. Clench & C.G. Aguayo, 1953 - (CEPOLIDAE)
- garciana, Limadora garciana (C.G. Aguayo, 1932) - (POMATIIDAE)
- garciana, Pfeiffericoptis garciana (B.H. Wright in F. Poey, 1864) - (UROCOPTIDAE)
- garciana auriculata, Limadora garciana auriculata C.G. Aguayo, 1944 - (POMATIIDAE)
- garciana quignonesi, Limadora garciana quignonesi C.G. Aguayo, 1943 - (POMATIIDAE)
- garciana quinonesi, Limadora garciana quinonesi C.G. Aguayo, 1943 - syn of: Limadora garciana quignonesi C.G. Aguayo, 1943 - (POMATIIDAE)
- garciana sillaensis, Limadora garciana sillaensis (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- garcianoi, Eutudora limbifera garcianoi M.L. Jaume & Sánchez De Fuentes, 1943 - (POMATIIDAE)
- garcianum, Cerion garcianum A. Gonzalez Guillén, 2008 - (CERIONIDAE)
- garcianum, Chondropoma garcianum C. de la Torre, 1913 - (POMATIIDAE)
- garcianus, Macroceramus garcianus C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- garconi, Cellana garconi (G.P. Deshayes, 1863) - (NACELLIDAE)
- garconi, Patella garconi G.P. Deshayes, 1863 - syn of: Cellana garconi (G.P. Deshayes, 1863) - (PATELLIDAE)
- gardana, Vacekia gardana (Vacek, 1886 †) - (HILDOCERATIDAE) (FOSSIL)
- gardenense, Liroceras gardenense Prinoth & Posenato, 2007 † - (LIROCERATIDAE) (FOSSIL)
- gardeneri, Euplecta gardeneri L. Pfeiffer, 1846 - syn of: Euplecta gardneri (L. Pfeiffer, 1846) - (ARIOPHANTIDAE)
- gardeni, Gardeniceras gardeni (J.L.Jr. Baily, 1855 †) - (DESMOCERATIDAE) (FOSSIL)
- Gardeniceras, Subgenus Hauericeras (Gardeniceras) Matsumoto & Obate, 1955 (DESMOCERATIDAE) (FOSSIL)
- gardensis, Theodoxus gardensis C.A. Westerlund, 1886 - syn of: Theodoxus danubialis (C. Pfeiffer, 1828) - (NERITIDAE)
- gardinalei, Benoistia gardinalei P. Oppenheim, 1900 † - (BRACHYTREMATIDAE) (FOSSIL)
- gardineri, Aegires gardineri (C.N.E. Eliot, 1906) - (AEGIRIDAE)
- gardineri, Philinopsis gardineri (C.N.E. Eliot, 1903) - (AGLAJIDAE)
- gardineri, Liocranchia gardineri C.W. Robson, 1921 - (CRANCHIIDAE)
- gardineri, Antalis gardineri (J.C. Melvill, 1909) - (DENTALIIDAE)
- gardineri, Desmopterus gardineri J.J. Tesch, 1910 - (DESMOPTERIDAE)
- gardineri, Doridomorpha gardineri (C.N.E. Eliot, 1903) - (DORIDOMORPHIDAE)
- gardineri, Rakipyrgus gardineri F.M. Climo, 1974 - syn of: Rakipyrgus gardneri (F.M. Climo, 1974) - (HYDROBIIDAE)
- gardineri, Octopus gardineri W.E. Hoyle, 1905 - (OCTOPODIDAE)
- gardineri, Serratovola gardineri (E.A. Smith, 1903) - (PECTINIDAE)
- gardineri, Tropidophora gardineri J. Gerlach, 2006 - (POMATIIDAE)
- gardineri, Delos gardineri (E.A. Smith, 1897) - (RHYTIDIDAE)
- gardineri, Glabrennea gardineri (E.R. Sykes, 1909) - (STREPTAXIDAE)
- gardineri nigerrima, Aegires gardineri nigerrima N. Yonow, 1994 - (AEGIRIDAE)
- Gardinia, syn of: Genus Trimusculus A. Schmidt, 1818 (TRIMUSCULIDAE)
- gardinii, Oxychilus gardinii G. Manganelli, M. Bodon & F.L. Giusti, 1991 - (OXYCHILIDAE)
- gardnerae, Paladmete gardnerae B. Wade † - (CANCELLARIIDAE) (FOSSIL)
- gardnerae, Chama gardnerae A.A. Olsson & A. Harbison, 1953 † - (CHAMIDAE) (FOSSIL)
- gardnerae, Mitrella gardnerae A.A. Olsson & A. Harbison, 1953 † - (COLUMBELLIDAE) (FOSSIL)
- gardnerae, Aesopus gardnerae Ward & B.W. Blackwelder, 1987 † - (COLUMBELLIDAE) (FOSSIL)
- gardnerae, Conus gardnerae R.C. Hoerle, 1976 † - (CONIDAE) (FOSSIL)
- gardnerae, Crassatella gardnerae A. Harbison, 1945 † - (CRASSATELLIDAE) (FOSSIL)
- gardnerae, Scalina gardnerae A.A. Olsson, 1967 † - (EPITONIIDAE) (FOSSIL)
- gardnerae, Hercoglossa gardnerae H.B. Stenzel, 1940 † - (HERCOGLOSSIDAE) (FOSSIL)
- gardnerae, Lutraria gardnerae E.M. Spieker, 1922 - syn of: Raeta undulata (A.A. Gould, 1851) - (MACTRIDAE)
- gardnerae, Mangelia gardnerae W.C. Mansfield, 1930 † - (MANGELIIDAE) (FOSSIL)
- gardnerae, Ecphora gardnerae Wilson, 1987 † - (MURICIDAE) (FOSSIL)
- gardnerae, Phyllonotus gardnerae W.H. Dall, 1915 † - (MURICIDAE) (FOSSIL)
- gardnerae, Murex gardnerae E.H. Vokes, 1963 † - syn of: Siratus juliagardnerae E.H. Vokes, 1970 † - (MURICIDAE) (FOSSIL)
- gardnerae, Nanarius gardnerae B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † - (NASSARIIDAE) (FOSSIL)
- gardnerae, Antillipecten gardnerae Cooke, 1919 † - syn of: Antillipecten cercadicus (C.J. Maury, 1917 †) - (PECTINIDAE) (FOSSIL)
- gardnerae, Mercenaria gardnerae Kellum, 1926 † - (VENERIDAE) (FOSSIL)
- gardnerae, Stosicia gardnerae (H.S. Ladd, 1966 †) - (ZEBINIDAE) (FOSSIL)
- gardnerae angusticostata, Ecphora gardnerae angusticostata E.J. Petuch, 1988 † - (MURICIDAE) (FOSSIL)
- gardnerae ecarinata, Mitrella gardnerae ecarinata A.A. Olsson & A. Harbison, 1953 † - (COLUMBELLIDAE) (FOSSIL)
- gardnerae germonae, Ecphora gardnerae germonae Ward & Gilinsky, 1988 † - syn of: Ecphora germonae Ward & Gilinsky, 1988 † - (MURICIDAE) (FOSSIL)
- gardnerae pygmaea, Paladmete gardnerae pygmaea N.F. Sohl, 1964 - (CANCELLARIIDAE)
- Gardnerella, Genus Gardnerella A.L. Chavan, 1951 † (LUCINIDAE) (FOSSIL)
- gardneri, Acteon gardneri A.E.M. Cossmann, 1889 † - (ACTEONIDAE) (FOSSIL)
- gardneri, Ceratosiphon gardneri (Keeping, 1883 †) - (APORRHAIDAE) (FOSSIL)
- gardneri, Euplecta gardneri (L. Pfeiffer, 1846) - (ARIOPHANTIDAE)
- gardneri, Placostylus ambagiosus gardneri A.W.B. Powell, 1951 - (BOTHRIEMBRYONTIDAE)
- gardneri, Acanthohoplites gardneri F.M. Anderson, 1938 † - (DESHAYESITIDAE) (FOSSIL)
- gardneri, Pachydiscus gardneri (Reeside, 1947 †) - (DESMOCERATIDAE) (FOSSIL)
- gardneri, Palaina gardneri R.K. Dell, 1955 - (DIPLOMMATINIDAE)
- gardneri, Rakipyrgus gardneri (F.M. Climo, 1974) - (HYDROBIIDAE)
- gardneri, Cytora gardneri B.A. Marshall & G.M. Barker, 2007 - (LIAREIDAE)
- gardneri, Pecten gardneri (E.A. Smith, 1903) - syn of: Serratovola gardineri (E.A. Smith, 1903) - (PECTINIDAE)
- gardneri, Notovoluta gardneri T.A. Darragh, 1983 - (VOLUTIDAE)
- gardneri, Yoldia gardneri I.M. Oldroyd, 1935 - syn of: Yoldia hyperborea (A.A. Gould, 1841) - (YOLDIIDAE)
- gardneriana, Amplirhagada gardneriana F. Köhler, 2011 - (CAMAENIDAE)
- gardonense, Bythiospeum gardonense H. Girardi, 2009 - (HYDROBIIDAE)
- gardonensis, Strobeliella brembina gardonensis H. Nordsieck, 2013 - (CLAUSILIIDAE)
- gardonica, Faraudiella gardonica Hébert & E.C. Munier-Chalmas 1875 † - syn of: Neophlycticeras blancheti (Pictet & Campiche, 1859 †) - (LYELLICERATIDAE) (FOSSIL)
- gardonica, Bournonia gardonica Toucas, 1907 † - (RADIOLITIDAE) (FOSSIL)
- gardonicus, Ammonites gardonicus Hébert & E.C. Munier-Chalmas, 1875 † - syn of: Neophlycticeras blancheti (Pictet & Campiche, 1859 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- gardullanum, Deroceras gardullanum (H.R. Simroth, 1904) - (AGRIOLIMACIDAE)
- garensis, Astarte garensis J. Smith, 1839 - syn of: Astarte elliptica (J. Brown, 1827) - (ASTARTIDAE)
- gareti, Erosaria gareti A.J.B.M. Vayssière, 1910 - syn of: Erosaria helvola (C. Linnaeus, 1758) - (CYPRAEIDAE)
- garfieldense, Macrogrammites garfieldense D.W. Taylor, 1998 † - (SCHLOTHEIMIIDAE) (FOSSIL)
- garfinkleae, Kurtiella garfinkleae P.H. Valentich-Scott, 2012 - (MONTACUTIDAE)
- garfio, Alderiopsis garfio G.M. Caballer, J.A. Ortea & J. Espinosa, 2006 - (LIMAPONTIIDAE)
- garforthensis, Monotis garforthensis King, 1850 † - syn of: Pseudomonotis speluncaria (von Schlotheim, 1816 †) - (MONOTIDAE) (FOSSIL)
- garforthensis, Pseudomonotis garforthensis von Schlotheim, 1816 † - syn of: Pseudomonotis speluncaria (von Schlotheim, 1816 †) - (PSEUDOMONOTIDAE) (FOSSIL)
- gargadia, Tellina gargadia (C. Linnaeus, 1758) - (TELLINIDAE)
- gargadia, Quodrans gargadia C. Linnaeus, 1758 - syn of: Tellina gargadia (C. Linnaeus, 1758) - (TELLINIDAE)
- gargalloae, Volvarina gargalloae J.A. Ortea, 2014 - (MARGINELLIDAE)
- Gargamella, Genus Gargamella L.S.R. Bergh, 1894 (DISCODORIDIDAE)
- garganensis, Medora italiana garganensis A.J. Wagner, 1918 - (CLAUSILIIDAE)
- Gargania, Genus Gargania Guiscardi, 1857 † (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- garganicus, Zonites garganicus C. Pollonera, 1909 - syn of: Zonites algirus (C. Linnaeus, 1758) - (ZONITIDAE)
- garganoensis, Lindbergia garganoensis E. Gittenberger & J. Eikenboom, 2006 - (PRISTILOMATIDAE)
- gargantua, Helicophanta gargantua (K.C. Emberton, 1999) - (ACAVIDAE)
- gargantua, Odontostomus gargantua (A.E.J. Férussac, 1821) - (ODONTOSTOMIDAE)
- gargasensis, Gargasiceras gargasensis (A.V.M.D. D'Orbigny, 1841 †) - (DESHAYESITIDAE) (FOSSIL)
- Gargasiceras, Genus Gargasiceras Casey , 1954 † (DESHAYESITIDAE) (FOSSIL)
- gargominyi, Messageriella gargominyi Páll-Gergely & Szekeres, 2017 - (CLAUSILIIDAE)
- gargottae, Xerosecta gargottae (R.A. Philippi, 1836) - (HYGROMIIDAE)
- gargottae, Cernuella gargottae R.A. Philippi, 1836 - syn of: Cernuella rugosa (J.B.P.A. Lamarck, 1822) - (HYGROMIIDAE)
- gargottae, Xerotricha gargottae M.de la Paz Graells, 1846 - syn of: Helicella huidobroi M.F. Azpeitia, 1925 - (HYGROMIIDAE)
- gargottae, Unio gargottae R.A. Philippi, 1836 - syn of: Unio mancus J.B.P.A. Lamarck, 1819 - (UNIONIDAE)
- Gari, Genus Gari H.C.F. Schumacher, 1817 (PSAMMOBIIDAE)
- gari, Gari gari H. Dodge, 1952 - syn of: Gari amethystus (W. Wood, 1815) - (PSAMMOBIIDAE)
- gari, Gari gari V. Bertin, 1880 - syn of: Gari truncata (C. Linnaeus, 1767) - (PSAMMOBIIDAE)
- gari, Tellina gari C. Linnaeus, 1758 - syn of: Gari truncata (C. Linnaeus, 1767) - (TELLINIDAE)
- gari, Tellina gari I. von Born, 1780 - syn of: Gari depressa (T. Pennant, 1777) - (TELLINIDAE)
- garianii, Joculator garianii A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- garibaldiana, Calocochlia garibaldiana W.L.H. Dohrn & C.G. Semper, 1862 - (BRADYBAENIDAE)
- gariesensis, Isognomon gariesensis B.F. Kensley & Pether, 1986 † - (PTERIIDAE) (FOSSIL)
- garifuna, Dentimargo garifuna T. Cossignani, 2006 - (MARGINELLIDAE)
- garifuna, Voluta garifuna E.J. Petuch - syn of: Voluta polypleura J.C.H. Crosse, 1876 - (VOLUTIDAE)
- garini, Colubratriton garini J.M. Pacaud, Ledon & Loubry, 2015 † - (CANCELLARIIDAE) (FOSSIL)
- garitensis, Anadara garitensis A.A. Olsson, 1932 † - (ARCIDAE) (FOSSIL)
- garlandensis, Carlloceras garlandensis Flower & Caster, 1935 † - (CENTROCERATIDAE) (FOSSIL)
- garlandi, Raphitoma garlandi Harmer † - (RAPHITOMIDAE) (FOSSIL)
- garlinju, Setobaudinia garlinju F. Köhler, 2011 - (CAMAENIDAE)
- garnieri, Bythiospeum garnieri (G. Sayn, 1889) - (HYDROBIIDAE)
- Garnieria, Genus Garnieria J.R. Bourguignat, 1877 (CLAUSILIIDAE)
- Garniericeras, Genus Garniericeras Spath, 1924 † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Garnierisphinctes, Genus Garnierisphinctes Enay, 1959 † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- garnonsii, Turris garnonsii (L.A. Reeve, 1843) - (TURRIDAE)
- garnonsii, Gemmula garnonsii G.S. Helbling, 1799 - syn of: Gemmula granosa (G.S. Helbling, 1779) - (TURRIDAE)
- garnoti, Acanthochitona garnoti (H.M.D. de Blainville, 1825) - (ACANTHOCHITONIDAE)
- garnoti, Chiton garnoti H.M.D. de Blainville, 1825 - syn of: Acanthochitona garnoti (H.M.D. de Blainville, 1825) - (CHITONIDAE)
- garnoti, Trimusculus garnoti B.C.M. Payraudeau, 1826 - syn of: Trimusculus mammillaris (C. Linnaeus, 1758) - (TRIMUSCULIDAE)
- garnoti compressa, Trimusculus garnoti compressa P.M. Pallary, 1900 - syn of: Trimusculus mammillaris (C. Linnaeus, 1758) - (TRIMUSCULIDAE)
- garnoti minor, Trimusculus garnoti minor P.M. Pallary, 1900 - syn of: Trimusculus mammillaris (C. Linnaeus, 1758) - (TRIMUSCULIDAE)
- Garnotia, syn of: Genus Crepidula J.B.P.A. Lamarck, 1799 (CALYPTRAEIDAE)
- garnotii, Capulus garnotii B.C.M. Payraudeau, 1826 - syn of: Trimusculus mammillaris (C. Linnaeus, 1758) - (CAPULIDAE)
- garoensis, Anadara garoensis Mukerjee, 1939 † - (ARCIDAE) (FOSSIL)
- garoensis, Turris garoensis Mukerjee, 1939 † - (TURRIDAE) (FOSSIL)
- garoensis, Turritella herberti garoensis Mukerjee, 1939 - (TURRITELLIDAE)
- garonettii, Schilderia garonettii D. Fehse, 2004 † - (CYPRAEIDAE) (FOSSIL)
- garrafensis, Alvania garrafensis A. Peñas & E. Rolán, 2008 - (RISSOIDAE)
- Garramites, Genus Garramites Stephenson, 1941 † (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- garrardensis, Solariella garrardensis R.L. Squires & Goedert, 1995 † - (SOLARIELLIDAE) (FOSSIL)
- garrardi, Admetula garrardi R.E. Petit, 1974 - (CANCELLARIIDAE)
- garrardi, Dentalium garrardi K.L. Lamprell & J.M. Healy, 1998 - (DENTALIIDAE)
- garrardi, Vermitexta garrardi C.F. Laseron, 1956 - (GALEOMMATIDAE)
- garrardi, Vexitomina garrardi C.F. Laseron, 1954 - syn of: Vexitomina coxi (G.F. Angas, 1867) - (HORAICLAVIDAE)
- garrardi, Hirtomurex garrardi (D'Attilio, 1968) - (MURICIDAE)
- garrardi, Sassia garrardi (A.G. Beu, 1970) - (RANELLIDAE)
- garrardi, Isodaphne garrardi C.F. Laseron, 1954 - (RAPHITOMIDAE)
- garrardi, Microvoluta garrardi W.O. Cernohorsky, 1975 - (VOLUTOMITRIDAE)
- garrawayi, Tornus garrawayi W. Adam & J. Knudsen, 1969 - (TORNIDAE)
- garreti, Mactra garreti Ortmann 1902 † - (MACTRIDAE) (FOSSIL)
- Garretia, syn of: Genus Garrettia Paetel, 1873 (ASSIMINEIDAE)
- garretti, Aturia garretti H.B. Stenzel, 1940 † - (ATURIIDAE) (FOSSIL)
- garretti, Callistocharis garretti H.A. Pilsbry, 1900 - (BOTHRIEMBRYONTIDAE)
- garretti, Columbella garretti G.W. Tryon, 1883 - syn of: Zafra ornata (W.H. Pease, 1868) - (COLUMBELLIDAE)
- garretti, Zafra garretti G.W. Tryon, 1883 - syn of: Zafra ornata (W.H. Pease, 1868) - (COLUMBELLIDAE)
- garretti, Myonera garretti W.H. Dall, 1908 - (CUSPIDARIIDAE)
- garretti, Cystiscus garretti A. Wakefield & T. McCleery, 2006 - (CYSTISCIDAE)
- garretti, Mitra garretti G. Nevill & H. Nevill, 1874 - syn of: Vexillum unifasciatum (W. Wood, 1828) - (MITRIDAE)
- garretti, Ostodes garretti W.J. Clench, 1949 - (NEOCYCLOTIDAE)
- garretti, Milda garretti (G.W. Tryon, 1886) - (PYRAMIDELLIDAE)
- garretti, Rissoa garretti R. Tate, 1899 - syn of: Iravadia quadrasi (O. Böttger, 1893) - (RISSOIDAE)
- Garrettia, Genus Garrettia Paetel, 1873 (ASSIMINEIDAE)
- garrettiana, Turbonilla garrettiana W.H. Dall & P. Bartsch, 1906 - (PYRAMIDELLIDAE)
- garrettiana, Succinea garrettiana C.M.F. Ancey, 1899 - (SUCCINEIDAE)
- garrettii, Acmaea garrettii H.A. Pilsbry, 1891 - syn of: Patelloida garrettii (H.A. Pilsbry, 1891) - (ACMAEIDAE)
- garrettii, Patelloida garrettii (H.A. Pilsbry, 1891) - (LOTTIIDAE)
- garrettii, Anarithma garrettii W.H. Pease, 1860 - syn of: Anarithma metula (R.B. Hinds, 1843) - (MITROMORPHIDAE)
- garrettii, Favartia garrettii (W.H. Pease, 1868) - (MURICIDAE)
- garrettii, Murex garrettii W.H. Pease, 1868 - syn of: Favartia garrettii (W.H. Pease, 1868) - (MURICIDAE)
- garrettii, Partula garrettii W.H. Pease, 1866 - (PARTULIDAE)
- garrettii, Fossarus garrettii W.H. Pease, 1868 - (PLANAXIDAE)
- Garrettina, syn of: Genus Libera A. Garrett, 1881 (ENDODONTIDAE)
- Garrettoconcha, Subgenus Mautodontha (Garrettoconcha) G.A. Solem, 1976 (ENDODONTIDAE)
- garridoi, Chondropoma dilatatum garridoi M.L. Jaume, 1984 - (POMATIIDAE)
- garridoiana, Wrightudora garridoiana (J. Gundlach in L. Pfeiffer, 1860) - (POMATIIDAE)
- garridoiana baracoensis, Wrightudora garridoiana baracoensis (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- garrisoni, Dauciconus garrisoni J.R. Hendricks, 2015 † - (CONIDAE) (FOSSIL)
- Garroniceras, Genus Garroniceras Vermeulen & al., 2012 † (HAMULINIDAE) (FOSSIL)
- garrotxaensis, Moitessieria garrotxaensis Quiñonero-Salgado & Rolán, 2017 - (MOITESSIERIIDAE)
- garrowi, Genota garrowi E.W. Vredenburg, 1921 † - (BORSONIIDAE) (FOSSIL)
- Garryoceras, Genus Garryoceras Foerste, 1928 † (ORTHOCERIDA (UNASSIGNED)) (FOSSIL)
- garsdorfensis, Planorbarius garsdorfensis W.R. Schlickum & F. Strauch, 1979 † - (PLANORBIDAE) (FOSSIL)
- garsensis, Amalda garsensis P. Lozouet, 2011 † - (ANCILLARIIDAE) (FOSSIL)
- garshini, Conohibolithes garshini (Stoyanova-Vergilova, 1965 †) - (MESOHIBOLITHIDAE) (FOSSIL)
- garshini, Mesohibolithes garshini Stoyanova-Vergilova, 1965 † - syn of: Conohibolithes garshini (Stoyanova-Vergilova, 1965 †) - (MESOHIBOLITHIDAE) (FOSSIL)
- garthi, Chama garthi F.R. Bernard, 1976 - syn of: Chama echinata W.J. Broderip, 1835 - (CHAMIDAE)
- garthi, Turbonilla garthi A.M. Strong & L.G. Hertlein, 1939 - (PYRAMIDELLIDAE)
- garuda, Ammonites garuda E. Forbes, 1846 † - syn of: Pseudophyllites indra (E. Forbes, 1846 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- garuda, Patelloida garuda T. Nakano & Aswan, 2008 - (LOTTIIDAE)
- garuda, Rostrilucina garuda R. von Cosel & P. Bouchet, 2008 - (LUCINIDAE)
- garuda, Nassarius garuda H.H. Kool, 2007 - (NASSARIIDAE)
- garuda, Archivesica garuda (T.A. Okutani & W. Son, 2005) - (VESICOMYIDAE)
- garudai, Egila garudai E. Robba, 2013 † - (PYRAMIDELLIDAE) (FOSSIL)
- garudamangalami, Lirpsa garudamangalami K. Bandel, 2000 † - (GYROTROPIDAE) (FOSSIL)
- Garum, Subgenus Gari (Garum) W.H. Dall, 1900 † (PSAMMOBIIDAE) (FOSSIL)
- garumnae, Unio garumnae J.P.S. Grateloup - syn of: Pseudunio auricularius (L. Spengler, 1793) - (UNIONIDAE)
- garumnica, Abida garumnica P. Fagot, 1877 - syn of: Abida bigerrensis A. Moquin-Tandon, 1856 - (CHONDRINIDAE)
- garumnica, Melanopsis garumnica E.C. Munier-Chalmas, 1884 † - (MELANOPSIDAE) (FOSSIL)
- garycooverti, Volvarina garycooverti J. Espinosa & J.A. Ortea, 1998 - (MARGINELLIDAE)
- garywilsoni, Calamiconus garywilsoni (F.Jr. Lorenz & H. Morrison, 2004) - (CONIDAE)
- garzaensis, Amaurellina garzaensis E.H. Vokes, 1939 † - (AMPULLINIDAE) (FOSSIL)
- garzana, Phasianella garzana Anderson, 1958 † - syn of: Tylostoma garzana (Anderson, 1958 †) - (PHASIANELLIDAE) (FOSSIL)
- garzana, Tylostoma garzana (Anderson, 1958 †) - (TYLOSTOMATIDAE) (FOSSIL)
- garzanensis, Orculella garzanensis H. Schütt, 1996 - (ORCULIDAE)
- gasar, Gryphaea gasar G.P. Deshayes, 1830 - syn of: Crassostrea tulipa (J.B.P.A. Lamarck, 1819) - (GRYPHAEIDAE)
- gasar, Ostrea gasar G.P. Deshayes, 1830 - syn of: Crassostrea tulipa (J.B.P.A. Lamarck, 1819) - (OSTREIDAE)
- gascognensis, Leptochiton gascognensis P. Kaas & R.A. Van Belle, 1985 - (LEPTOCHITONIDAE)
- gascognensis, Leptochiton gascognensis P. Carmona Zavilde & V. Urgorri, 1999 - syn of: Leptochiton compostellanum P. Carmona Zavilde & V. Urgorri, 1999 - (LEPTOCHITONIDAE)
- gascoignei, Alvania gascoignei E. Rolán, 2001 - (RISSOIDAE)
- Gascoignella, Genus Gascoignella K.R. Jensen, 1985 (PLATYHEDYLIDAE)
- GASCOIGNELLIDAE - syn of Family: PLATYHEDYLIDAE
- Gasconadeoconus, Genus Gasconadeoconus Stinchcomb , 1986 † (HYPSELOCONIDAE) (FOSSIL)
- Gasconadia, Genus Gasconadia Weller & St. Clair, 1928 † (PTYCHOCAULIDAE) (FOSSIL)
- gasconi, Felimare gasconi (J.A. Ortea, 1996) - (CHROMODORIDIDAE)
- gasconsensis, Spinicharybdis gasconsensis (Northrop, 1939 †) - (EUOMPHALIDAE) (FOSSIL)
- Gasconsoceras, Genus Gasconsoceras Foerste, 1936 † (BARRANDOCERATIDAE) (FOSSIL)
- gascoynensis, Plectorhagada gascoynensis (E.A. Smith, 1894) - (CAMAENIDAE)
- Gashochaena, syn of: Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- gaskelli, Pisania gaskelli J.C. Melvill, 1891 - syn of: Orania gaskelli (J.C. Melvill, 1891) - (BUCCINIDAE)
- gaskelli, Orania gaskelli (J.C. Melvill, 1891) - (MURICIDAE)
- gaskoini, Anachis gaskoini (P.P. Carpenter, 1857) - (COLUMBELLIDAE)
- gaskoini, Cribrarula gaskoini (L.A. Reeve, 1846) - (CYPRAEIDAE)
- gaskoini, Cypraea gaskoini L.A. Reeve, 1846 - syn of: Cribrarula gaskoini (L.A. Reeve, 1846) - (CYPRAEIDAE)
- gaskoini, Caracolus gaskoini (L.A. Reeve, 1851) - (PLEURODONTIDAE)
- gaskoini, Trivirostra gaskoini S.R. Roberts, 1870 - syn of: Trivirostra scabriuscula (Gray, 1828) - (TRIVIIDAE)
- gaskoini, Trivia gaskoini S.R. Roberts, 1870 - syn of: Trivirostra scabriuscula (Gray, 1828) - (TRIVIIDAE)
- gaskoini fischeri, Cribrarula gaskoini fischeri (L.A. Reeve, 1846) - (CYPRAEIDAE)
- gaskoiniana, Fadyenia gaskoiniana E. Chitty, 1857 - (HELICINIDAE)
- gaskoinii taitae, Cribrarula gaskoinii taitae C.M. Burgess, 1993 - syn of: Cribrarula taitae (C.M. Burgess, 1993) - (CYPRAEIDAE)
- gaspardi, Cypraea gaspardi G. Biraghi & K. Nicolay, 1993 - syn of: Cribrarula cribraria gaspardi G. Biraghi & K. Nicolay, 1993 - (CYPRAEIDAE)
- gaspardi, Cribrarula cribraria gaspardi G. Biraghi & K. Nicolay, 1993 - (CYPRAEIDAE)
- gaspardiana, Schlickumia gaspardiana (A. Paladilhe, 1873 †) - (HELICIDAE) (FOSSIL)
- gasparinae, Helix gasparinae W. Kobelt, 1876 - syn of: Josephinella argentellei (W. Kobelt, 1872) - (HELICIDAE)
- gaspense, Platyceras gaspense A.H. Clarke, 1908 † - (PLATYCERATIDAE) (FOSSIL)
- gaspensis, Plectonotoides gaspensis (A.H. Clarke, 1908 †) - (PLECTONOTIDAE) (FOSSIL)
- Gaspephorus, Genus Gaspephorus Blodgett & al., 2003 † (PSEUDOPHORIDAE) (FOSSIL)
- gaspesia, Holopea gaspesia A.H. Clarke, 1908 † - (HOLOPEIDAE) (FOSSIL)
- Gaspocyrtoceras, Genus Gaspocyrtoceras Foerste, 1936 † (PARAPHRAGMITIDAE) (FOSSIL)
- gasprensis, Helicella gasprensis P. Hesse, 1934 - syn of: Helicopsis paulhessei W.A. Lindholm, 1936 - (HYGROMIIDAE)
- Gassendiceras, Genus Gassendiceras Bert, Delanoy & Bersac, 2006 † (HEMIHOPLITIDAE) (FOSSIL)
- gassiei, Unio gassiei J.P.S. Grateloup in H.C. Küster, 1856 - syn of: Diplodon chilensis (J.E. Gray, 1852) - (UNIONIDAE)
- gassiesei, Unio gassiesei J.P.S. Grateloup in H.C. Küster, 1856 - syn of: Diplodon chilensis (J.E. Gray, 1852) - (UNIONIDAE)
- gassiesi, Epirobia gassiesi (L. Pfeiffer, 1867) - (EPIROBIIDAE)
- gassiesi, Pachychilus liebmanni gassiesi (L.A. Reeve, 1861) - (PACHYCHILIDAE)
- gassiesi, Cyclostoma gassiesi S.M. Souverbie - syn of: Ostodes plicatus (A.A. Gould, 1847) - (POMATIIDAE)
- gassiesi, Melania gassiesi L.A. Reeve, 1861 - syn of: Pachychilus liebmanni gassiesi (L.A. Reeve, 1861) - (THIARIDAE)
- Gassiesia, Genus Gassiesia W.J. Clench, 1949 (NEOCYCLOTIDAE)
- gassiesiana, Melanopsis gassiesiana J.C.H. Crosse, 1867 - syn of: Melanopsis frustulum P.M.A. Morelet, 1857 - (MELANOPSIDAE)
- gastaldi, Pterynotus gastaldi (L.M.D. Bellardi, 1872 †) - (MURICIDAE) (FOSSIL)
- gastaldianus, Avramidiscus gastaldianus (A.V.M.D. D'Orbigny, 1850 †) - (HOLCODISCIDAE) (FOSSIL)
- gastaldii, Conus gastaldii Michelotti, 1847 † - (CONIDAE) (FOSSIL)
- gastaldii, Panopea gastaldii O.G. Michelotti, 1861 † - (HIATELLIDAE) (FOSSIL)
- gastellovi, Crenella gastellovi L.S. Zhidkova, 1994 † - (MYTILIDAE) (FOSSIL)
- gastellovi, Aelga gastellovi L.S. Zhidkova, 1994 † - (PERIPLOMATIDAE) (FOSSIL)
- gastellovi, Nuttallia gastellovi (Pronina, 1994 †) - (PSAMMOBIIDAE) (FOSSIL)
- Gasterochaena, syn of: Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- Gasteroptera, syn of: Genus Gastropteron J.F. Meckel in Kosse, 1813 (GASTROPTERIDAE)
- Gasteropteron, syn of: Genus Gastropteron J.F. Meckel in Kosse, 1813 (GASTROPTERIDAE)
- Gasteropterum, syn of: Genus Gastropteron J.F. Meckel in Kosse, 1813 (GASTROPTERIDAE)
- gasteroptychus, Proclydonautilus gasteroptychus (Dittmar, 1866 †) - (CLYDONAUTILIDAE) (FOSSIL)
- gasteroptychus, Nautilus gasteroptychus Dittmar, 1866 † - syn of: Proclydonautilus gasteroptychus (Dittmar, 1866 †) - (NAUTILIDAE) (FOSSIL)
- Gasterosiphon, Genus Gasterosiphon F. Koehler & C. Vaney, 1905 (EULIMIDAE)
- gastonensis, Unio gastonensis I. Lea, 1863 - syn of: Unio abbevillensis I. Lea, 1857 - (UNIONIDAE)
- gastraldii, Murex gastraldii L.M.D. Bellardi, 1873 † - syn of: Purpurellus veranyi (M. Paulucci, 1866 †) - (MURICIDAE) (FOSSIL)
- Gastrana, Genus Gastrana H.C.F. Schumacher, 1817 (TELLINIDAE)
- Gastranella, syn of: Genus Petricola J.B.P.A. Lamarck, 1801 (VENERIDAE)
- Gastranodon, Subgenus Hyalinia (Gastranodon) O. Böttger, 1889 (ZONITIDAE)
- Gastranopsis, Subgenus Tellina (Gastranopsis) A.E.M. Cossmann, 1906 (TELLINIDAE)
- Gastrelasmus, Subgenus Poecilozonites (Gastrelasmus) H.A. Pilsbry, 1924 (GASTRODONTIDAE)
- gastriculus, Conus gastriculus Coppi, 1863 † - (CONIDAE) (FOSSIL)
- Gastridia, syn of: Genus Pseudoliva W.J. Swainson, 1840 (PSEUDOLIVIDAE)
- Gastridium, Genus Gastridium Modeer, 1793 (CONIDAE)
- gastriforme, Puncticeras gastriforme Becker, 1993 † - (CHEILOCERATIDAE) (FOSSIL)
- Gastrioceras, Genus Gastrioceras Hyatt , 1884 † (GASTRIOCERATIDAE) (FOSSIL)
- GASTRIOCERATIDAE Hyatt, 1884 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-GASTRIOCERATOIDEA [Superfamily]) (FOSSIL)
- Gastrobelus, Genus Gastrobelus Naef, 1922 † (BELEMNITIDA (UNASSIGNED)) (FOSSIL)
- Gastrobulimus, Genus Gastrobulimus Hantken, 1878 (ANADROMIDAE) (FOSSIL)
- Gastrochaena, Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- gastrochaenans, Peregrinamor gastrochaenans S. Kato & Itani, 2000 - (CYAMIIDAE)
- Gastrochaenia, syn of: Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- GASTROCHAENIDAE Gray, 1840 - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-IMPARIDENTIA [Superorder]--GASTROCHAENOIDEA [Superfamily])
- Gastrochaenites, syn of: Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- Gastrochaenoecium, syn of: Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- Gastrochaenolites, syn of: Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- Gastrochaenopsis, Genus Gastrochaenopsis † (MYIDA (UNASSIGNED)) (FOSSIL)
- Gastrochana, syn of: Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- Gastrochena, syn of: Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- Gastrochina, syn of: Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- Gastrochoena, syn of: Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- Gastrochorna, syn of: Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- Gastrocopta, Genus Gastrocopta T.V. Wollaston, 1878 (GASTROCOPTIDAE)
- GASTROCOPTIDAE Pilsbry, 1918 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-PUPILLOIDEA [Superfamily])
- gastrodes, Synprosphyma gastrodes (O.F. von Möllendorff, 1901) - (CLAUSILIIDAE)
- Gastrodon, syn of: Genus Lauria J.E. Gray in W.H. Turton, 1840 (LAURIIDAE)
- gastrodon, Potamides gastrodon H.A. Pilsbry, 1922 † - syn of: Terebralia dentilabris W.M. Gabb, 1873 † - (POTAMIDIDAE) (FOSSIL)
- Gastrodonta, Genus Gastrodonta J.A. Albers, 1850 (GASTRODONTIDAE)
- Gastrodontella, syn of: Genus Kaliella W.T. Blanford, 1863 (CHRONIDAE)
- GASTRODONTIDAE Tryon, 1866 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-GASTRODONTOIDEA [Superfamily])
- Gastrogaena, syn of: Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- Gastrogena, syn of: Genus Gastrochaena L. Spengler, 1783 (GASTROCHAENIDAE)
- Gastrohedyle, syn of: Genus Pontohedyle A.N. Golikov & Y.I. Starobogatov, 1972 (PARHEDYLIDAE)
- gastrolepta, Montenegrina gastrolepta (B. Ziegler) - (CLAUSILIIDAE)
- gastrolepta, Delima binotata gastrolepta (E.A. Rossmässler, 1836) - (CLAUSILIIDAE)
- gastron, Illunellaria gastron (H. Nordsieck, 1995) - (CLAUSILIIDAE)
- gastron, Herilla bosniensis gastron (A.J. Wagner, 1915) - (CLAUSILIIDAE)
- gastroplanus, Czekanowskites gastroplanus A.M. Popov, 1961 † - (LONGOBARDITIDAE) (FOSSIL)
- gastroplax, Palliocypraea gastroplax (McCoy, 1867 †) - (CYPRAEIDAE) (FOSSIL)
- Gastroplax, syn of: Genus Umbraculum H.C.F. Schumacher, 1817 (UMBRACULIDAE)
- Gastroplites, Genus Gastroplites Nagy, 1970 † (HOPLITIDAE) (FOSSIL)
- GASTROPODA INCERTAE SEDIS - Family (GASTROPODA INCERTAE SEDIS-) (FOSSIL)
- Gastroptera, syn of: Genus Gastropteron J.F. Meckel in Kosse, 1813 (GASTROPTERIDAE)
- GASTROPTERIDAE Swainson, 1840 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-CEPHALASPIDEA [Order]-PHILINOIDEA [Superfamily])
- Gastropteron, Genus Gastropteron J.F. Meckel in Kosse, 1813 (GASTROPTERIDAE)
- Gastropterum, syn of: Genus Gastropteron J.F. Meckel in Kosse, 1813 (GASTROPTERIDAE)
- gastroptychia, Oospira gastroptychia (O.F. von Möllendorff, 1885) - (CLAUSILIIDAE)
- Gastroptychia, Genus Gastroptychia W. Kobelt & O.F. von Möllendorff, 1900 (DIPLOMMATINIDAE)
- gastroscopium, Richardsonoceras gastroscopium Kröger & al., 2009 † - (ONCOCERATIDAE) (FOSSIL)
- gastrum, Synprosphyma gastrum (O.F. von Möllendorff, 1901;) - (CLAUSILIIDAE)
- gastrum, Grandinenia gastrum H. Nordsieck, 2005 - (CLAUSILIIDAE)
- gastrum costigera, Grandinenia gastrum costigera H. Nordsieck, 2005 - (CLAUSILIIDAE)
- gastrum densecostulata, Grandinenia gastrum densecostulata H. Nordsieck, 2005 - (CLAUSILIIDAE)
- gastrum laticosta, Grandinenia gastrum laticosta H. Nordsieck, 2005 - (CLAUSILIIDAE)
- gastrum pallida, Grandinenia gastrum pallida (H. Nordsieck, 2005) - (CLAUSILIIDAE)
- gastrum rubens, Grandinenia gastrum rubens (H. Nordsieck, 2005) - (CLAUSILIIDAE)
- gasullae, Monocuphus gasullae (Coquand, 1865 †) - (APORRHAIDAE) (FOSSIL)
- gasulli, Chondrina gasulli E. Gittenberger, 1973 - (CHONDRINIDAE)
- gasulli, Gasullia gasulli (A. Ortiz De Zárate, 1961) - (HELICODONTIDAE)
- gasulli, Tarraconia gasulli (H.D. Boeters, 1981) - (HYDROBIIDAE)
- gasulli, Didacus gasulli (H.D. Boeters, 1981) - (HYDROBIIDAE)
- gasulli, Pseudamnicola gasulli H.D. Boeters, 1981 - syn of: Didacus gasulli (H.D. Boeters, 1981) - (HYDROBIIDAE)
- gasulli, Xerotricha gasulli (A. Ortiz De Zárate, 1950) - (HYGROMIIDAE)
- gasulli, Milax gasulli C.O. Van Regteren Altena, 1974 - (MILACIDAE)
- gasulli, Vitrea gasulli F. Riedel & C.R.C. Paul, 1978 - (PRISTILOMATIDAE)
- Gasullia, Genus Gasullia A. Ortiz De Zárate, 1961 (HELICODONTIDAE)
- Gasulliella, Genus Gasulliella E. Gittenberger, 1980 (HELICODONTIDAE)
- Gataron, syn of: Genus Tridacna J.G. Bruguière, 1797 (TRIDACNIDAE)
- gatchensis, Surcula gatchensis R.P.J. Hervier, 1896 - syn of: Turridrupa gatchensis (R.P.J. Hervier, 1896) - (CLAVATULIDAE)
- gatchensis, Turridrupa gatchensis (R.P.J. Hervier, 1896) - (TURRIDAE)
- gatesi, Solenosteira gatesi S.S. Berry, 1963 - syn of: Solenosteira fusiformis (H.M.D. de Blainville, 1832) - (BUCCINIDAE)
- gatesi, Alcithoe gatesi J. Marwick, 1926 † - (VOLUTIDAE) (FOSSIL)
- Gatliffena, Genus Gatliffena T. Iredale, 1929 (COLUMBELLIDAE)
- gatliffi, Acanthochitona gatliffi E.A. Ashby, 1919 - (ACANTHOCHITONIDAE)
- gatliffi, Callistochiton antiquus gatliffi E.A. Ashby, 1919 - (CALLISTOPLACIDAE)
- gatliffi, Pernagera gatliffi (C.J. Gabriel, 1930) - (CHAROPIDAE)
- gatliffi, Aesopus gatliffi J.C. Verco, 1909 - (COLUMBELLIDAE)
- gatliffi, Crossea gatliffi C. Hedley, 1902 - (CROSSEOLIDAE)
- gatliffi, Alaginella gatliffi (W.L. May, 1911) - (MARGINELLIDAE)
- gatliffi, Scrinium gatliffi (J.C. Verco, 1909) - (MITROMORPHIDAE)
- gatliffi, Clanculus gatliffi J.R. le B. Tomlin, 1924 - syn of: Clanculus euchelioides R. Tate, 1893 - (TROCHIDAE)
- gatliffi, Amoria gatliffi G.B. III Sowerby, 1910 - syn of: Amoria damonii gatliffi (G.B. III Sowerby, 1910) - (VOLUTIDAE)
- gatliffi, Amoria damonii gatliffi (G.B. III Sowerby, 1910) - (VOLUTIDAE)
- gatliffiana, Rissoa gatliffiana A.C. Chapman & C.J. Gabriel, 1914 † - (RISSOIDAE) (FOSSIL)
- gatoa, Iberhoratia gatoa H.D. Boeters, 1980 - syn of: Milesiana schuelei (H.D. Boeters, 1981) - (HYDROBIIDAE)
- gatta, Rhagada gatta T. Iredale, 1939 - (CAMAENIDAE)
- gattegnoi, Conus gattegnoi Poppe & Tagaro, 2017 - (CONIDAE)
- gattegnoi, Stomatella gattegnoi G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (TROCHIDAE)
- gattellii, Marshallopsis gattellii A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- Gattendorfia, Genus Gattendorfia Schindewolf , 1920 † (GATTENDORFIIDAE) (FOSSIL)
- GATTENDORFIIDAE Bartzsch & Weyer, 1987 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-PRIONOCERATOIDEA [Superfamily]) (FOSSIL)
- Gattenpleura, Genus Gattenpleura Weyer, 1976 † (GATTENDORFIIDAE) (FOSSIL)
- gatti, Cavolinia gatti Janssen, 2012 † - (CAVOLINIIDAE) (FOSSIL)
- gattoi, Lampedusa imitatrix gattoi L. Soós, 1933 - (CLAUSILIIDAE)
- gattoi, Cecilioides gattoi C.A. Westerlund, 1862 - syn of: Cecilioides acicula (O.F. Müller, 1774) - (FERUSSACIIDAE)
- gattoi, Cernuella gattoi W. Kobelt, 1890 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- gatudensis, Diplommatina gatudensis W.J.M. Maassen, 2002 - syn of: Diplommatina gadutensis W.J.M. Maassen, 2002 - (DIPLOMMATINIDAE)
- gatunense, Solarium gatunense F. Toula, 1909 - syn of: Architectonica nobilis P.F. Röding, 1798 - (ARCHITECTONICIDAE)
- gatunense, Trachycardium gatunense F. Toula, 1901 † - syn of: Dallocardia dominicense (W.M. Gabb, 1873 †) - (CARDIIDAE) (FOSSIL)
- gatunense, Prunum gatunense J. Brown & H.A. Pilsbry, 1911 † - (MARGINELLIDAE) (FOSSIL)
- gatunense, Sinum gatunense F. Toula, 1909 † - (NATICIDAE) (FOSSIL)
- gatunensis, Arca gatunensis F. Toula, 1911 - syn of: Anadara dariensis progonica W.P. Woodring, 1973 - (ARCIDAE)
- gatunensis, Crepidula gatunensis F. Toula, 1911 † - (CALYPTRAEIDAE) (FOSSIL)
- gatunensis, Capulus gatunensis F. Toula, 1909 † - (CAPULIDAE) (FOSSIL)
- gatunensis, Schedocardia gatunensis (W.H. Dall, 1900 †) - (CARDIIDAE) (FOSSIL)
- gatunensis, Strombina gatunensis F. Toula, 1911 † - syn of: Strombina lessepsiana J. Brown & H.A. Pilsbry, 1911 † - (COLUMBELLIDAE) (FOSSIL)
- gatunensis, Hexacorbula gatunensis (F. Toula, 1909 †) - (CORBULIDAE) (FOSSIL)
- gatunensis, Clathrodrillia gatunensis (F. Toula, 1909 †) - (DRILLIIDAE) (FOSSIL)
- gatunensis, Calotrophon gatunensis (A.P. Brown & H.A. Pilsbry, 1911) - (MURICIDAE)
- gatunensis, Paziella gatunensis Brouwn & H.A. Pilsbry, 1911 † - (MURICIDAE) (FOSSIL)
- gatunensis, Coralliophila gatunensis F. Toula, 1911 - syn of: Urosalpinx dalli protera W.P. Woodring, 1964 - (MURICIDAE)
- gatunensis, Antillophos gatunensis F. Toula, 1909 - syn of: Antillophos candei gatunensis (F. Toula, 1909 †) - (NASSARIIDAE)
- gatunensis, Antillophos candei gatunensis (F. Toula, 1909 †) - (NASSARIIDAE) (FOSSIL)
- gatunensis, Oliva gatunensis F. Toula, 1908 † - (OLIVIDAE) (FOSSIL)
- gatunensis, Ostrea gatunensis J. Brown & H.A. Pilsbry, 1911 † - syn of: Hyotissa haitensis (Sowerby, 1850 †) - (OSTREIDAE) (FOSSIL)
- gatunensis, Leopecten gatunensis (F. Toula, 1909 †) - (PECTINIDAE) (FOSSIL)
- gatunensis, Distorsio gatunensis F. Toula, 1909 - syn of: Distorsio decussata A. Valenciennes, 1832 - (PERSONIDAE)
- gatunensis, Chemnitzia gatunensis J. Brown & H.A. Pilsbry, 1913 † - (PYRAMIDELLIDAE) (FOSSIL)
- gatunensis, Solecurtus gatunensis (F. Toula, 1909 †) - (SOLECURTIDAE) (FOSSIL)
- gatunensis, Strombus gatunensis F. Toula, 1908 † - (STROMBIDAE) (FOSSIL)
- gatunensis, Psammacoma gatunensis F. Toula, 1909 † - (TELLINIDAE) (FOSSIL)
- gatunensis, Strioterebrum gatunensis F. Toula, 1908 † - (TEREBRIDAE) (FOSSIL)
- gatunensis, Cyathodonta gatunensis F. Toula, 1909 † - (THRACIIDAE) (FOSSIL)
- gatunensis, Turritella gatunensis T.A. Conrad, 1857 † - (TURRITELLIDAE) (FOSSIL)
- gatunensis, Agriopoma gatunensis W.H. Dall, 1903 † - (VENERIDAE) (FOSSIL)
- gatunensis costaricensis, Psammacoma gatunensis costaricensis A.A. Olsson, 1922 † - (TELLINIDAE) (FOSSIL)
- gatunensis macdonaldi, Leopecten gatunensis macdonaldi (A.A. Olsson, 1922) - (PECTINIDAE)
- gatunensis multifilosa, Agriopoma gatunensis multifilosa (W.H. Dall, 1895) - (VENERIDAE)
- gatunensis protistus, Leopecten gatunensis protistus W.P. Woodring, 1982 - (PECTINIDAE)
- gatunensis tapeinus, Leopecten gatunensis tapeinus W.P. Woodring, 1982 - (PECTINIDAE)
- gatunicus, Monoplex gatunicus A.G. Beu, 2010 † - (RANELLIDAE) (FOSSIL)
- gatuniensis, Corbula gatuniensis Toula 1909 † - (CORBULIDAE) (FOSSIL)
- gaucha, Eledone gaucha M. Haimovici, 1988 - (OCTOPODIDAE)
- gaudama, Desmophyllites gaudama E. Forbes, 1846 † - (DESMOCERATIDAE) (FOSSIL)
- gaudchaudii, Trochus gaudchaudii L.H. Hupé, 1854 - syn of: Prisogaster niger (W. Wood, 1828) - (TROCHIDAE)
- gaudefroyi, Bythinella gaudefroyi J.F. Mabille, 1869 - syn of: Bythinella ligurica (A. Paladilhe, 1867) - (BYTHINELLIDAE)
- gaudefroyi, Monacha gaudefroyi J.R. Bourguignat - syn of: Eutheba cantiana (G. Montagu, 1803) - (HYGROMIIDAE)
- gaudemarisi, Puzosia gaudemarisi F. Roman & Mazerin, 1913 † - syn of: Mesopuzosia mobergi (de Grossouvre, 1894 †) - (DESMOCERATIDAE) (FOSSIL)
- Gaudemerites, Genus Gaudemerites Guex & al., 2005 † (ALBANITIDAE) (FOSSIL)
- gaudens, Ampelita gaudens J.F. Mabille, 1888 - (ACAVIDAE)
- gaudens, Sitala gaudens E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1966 - (ARIOPHANTIDAE)
- gaudens, Munditia gaudens (J.C. Melvill & R. Standen, 1912) - (LIOTIIDAE)
- gaudens, Cyclostrema gaudens J.C. Melvill & R. Standen, 1912 - syn of: Munditia gaudens (J.C. Melvill & R. Standen, 1912) - (LIOTIIDAE)
- gaudens, Metaphos gaudens (R.B. Hinds, 1844) - (NASSARIIDAE)
- gaudens, Fargoa gaudens H. Odé, 1993 - (PYRAMIDELLIDAE)
- gaudialis, Sitala gaudialis E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1994 - (ARIOPHANTIDAE)
- gaudiati, Scaphella gaudiati P. Bail & D.N. Shelton, 2001 - (VOLUTIDAE)
- gaudichaudi, Atlanta gaudichaudi J.E. Gray, 1850 - (ATLANTIDAE)
- gaudichaudi, Tonicia gaudichaudi A. de Rochebrune, 1884 - (CHITONIDAE)
- gaudichaudi, Isognomon gaudichaudi d'Orbigny, 1842 † - (PTERIIDAE) (FOSSIL)
- gaudichaudi, Ectinochilus gaudichaudi (A.V.M.D. D'Orbigny, 1842 †) - (RIMELLIDAE) (FOSSIL)
- gaudichaudi, Solen gaudichaudi J.C. Chenu, 1843 - (SOLENIDAE)
- gaudichaudii, Atlanta gaudichaudii J.E. Gray, 1850 - syn of: Atlanta gaudichaudi J.E. Gray, 1850 - (ATLANTIDAE)
- gaudichaudii, Littoridina gaudichaudii L.F.A. Souleyet, 1852 - (COCHLIOPIDAE)
- gaudichaudii, Cyrena gaudichaudii A. Valenciennes, 1838 - syn of: Corbicula recurvata (J.F.T. Eydoux, 1838) - (CYRENIDAE)
- gaudichaudii, Unio gaudichaudii J.F.T. Eydoux, 1838 - syn of: Radiatula caerulea (I. Lea, 1831) - (UNIONIDAE)
- gaudini, Lechites gaudini (Pictet & Campiche, 1861 †) - (BACULITIDAE) (FOSSIL)
- gaudini raricostata, Lechites gaudini raricostata Breistroffer, 1947 † - (BACULITIDAE) (FOSSIL)
- gaudioni, Anodonta gaudioni H. Drouët, 1881 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- gaudiosa, Nassa gaudiosa R.B. Hinds, 1844 - syn of: Nassarius gaudiosus (R.B. Hinds, 1844) - (NASSARIIDAE)
- gaudiosus, Nassarius gaudiosus (R.B. Hinds, 1844) - (NASSARIIDAE)
- gaudiosus algidus, Nassarius gaudiosus algidus L.A. Reeve, 1853 - syn of: Nassarius algidus (L.A. Reeve, 1853) - (NASSARIIDAE)
- gaudiosus zonalis, Nassarius gaudiosus zonalis A. Adams, 1852 - syn of: Nassarius reeveanus zonalis (A. Adams, 1852) - (NASSARIIDAE)
- gaudrianus, Ambercyclus gaudrianus (A.V.M.D. D'Orbigny, 1852 †) - (EUCYCLIDAE) (FOSSIL)
- gaudryanus, Bulimus gaudryanus J. Gassies, 1878 - syn of: Placostylus caledonicus S.A.A. Petit De La Saussaye, 1845 - (BULIMULIDAE)
- Gaudryceras, Genus Gaudryceras Gaudryceras † (GAUDRYCERATIDAE) (FOSSIL)
- GAUDRYCERATIDAE Spath, 1927 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-TETRAGONITOIDEA [Superfamily]) (FOSSIL)
- gaudryi, Architectonica gaudryi L.J. Morlet, 1888 † - (ARCHITECTONICIDAE) (FOSSIL)
- gaudryi, Arietites gaudryi Reynes † - (ARIETITIDAE) (FOSSIL)
- gaudryi, Vexillum gaudryi J.B.C.P. de Raincourt, 1884 † - (COSTELLARIIDAE) (FOSSIL)
- gaudryi, Nayadina gaudryi A. Thomas & F. Péron, 1891 † - (ELIGMIDAE) (FOSSIL)
- gaudryi, Hemicycla gaudryi (A.V.M.D. D'Orbigny, 1839) - (HELICIDAE)
- gaudryi, Phlyseogrammoceras gaudryi Monestier 1921 † - (HILDOCERATIDAE) (FOSSIL)
- gaudryi, Galba gaudryi W.A. Wenz, 1922 † - (LYMNAEIDAE) (FOSSIL)
- gaudryi, Stacheoceras gaudryi C. Gemmellaro, 1888 † - (NEOSTACHEOCERATIDAE) (FOSSIL)
- gaudryi, Oosterella gaudryi (Nickles, 1892 †) - (OOSTERELLIDAE) (FOSSIL)
- gaudryi, Pseudomelania gaudryi E.A.L. Kittl, 1894 † - (PSEUDOMELANIIDAE) (FOSSIL)
- gaudryi, Cirsonella gaudryi (P. Dautzenberg & H. Fischer, 1896) - (SKENEIDAE)
- gaudryi, Pleuronautilus gaudryi Mojsisovics, 1902 † - (TAINOCERATIDAE) (FOSSIL)
- gaufia, Saxolucina gaufia G.F. Harris, 1946 † - (LUCINIDAE) (FOSSIL)
- gauguini, Pionoconus gauguini G. Richard & B. Salvat, 1973 - (CONIDAE)
- gaulardea, Cuphosolenus gaulardea (Buvignier, 1852 †) - (APORRHAIDAE) (FOSSIL)
- gaulardea, Rostellaria gaulardea Buvignier, 1852 † - syn of: Cuphosolenus gaulardea (Buvignier, 1852 †) - (ROSTELLARIIDAE) (FOSSIL)
- gauli, Penion gauli (J. Marwick, 1948 †) - (BUCCINIDAE) (FOSSIL)
- gaultina, Pseudoptera gaultina (Woods) † - (BAKEVELLIIDAE) (FOSSIL)
- gaultina, Crepidula gaultina Buvigner, 1852 † - (CALYPTRAEIDAE) (FOSSIL)
- gaultina alta, Crepidula gaultina alta (Seeley, 1861 †) - (CALYPTRAEIDAE) (FOSSIL)
- gaultinum, Hemiptychoceras gaultinum (Pictet, 1847 †) - (HAMITIDAE) (FOSSIL)
- gauri, Ambigua fuscolabiata gauri (W. Kobelt, 1903) - (HELICIDAE)
- Gaurites, Genus Gaurites Bogoslovsky , 1984 † (AUGURITIDAE) (FOSSIL)
- gauritziana, Cyrena gauritziana C.F.F. von Krauss, 1848 - syn of: Corbicula africana (C.F.F. von Krauss, 1848) - (CYRENIDAE)
- gausapata, Alia gausapata (A.A. Gould, 1850) - (COLUMBELLIDAE)
- gausapata, Columbella gausapata A.A. Gould, 1850 - syn of: Alia gausapata (A.A. Gould, 1850) - (COLUMBELLIDAE)
- gausapata, Mitrella gausapata A.A. Gould, 1850 - syn of: Alia gausapata (A.A. Gould, 1850) - (COLUMBELLIDAE)
- gausapata, Astyris gausapata A.A. Gould, 1850 - syn of: Alia gausapata (A.A. Gould, 1850) - (COLUMBELLIDAE)
- gausapata, Nebularia gausapata L.A. Reeve, 1845 - (MITRIDAE)
- gausapatum, Strioterebrum gausapatum J. Brown & H.A. Pilsbry, 1911 † - (TEREBRIDAE) (FOSSIL)
- gauson, Chevroderma gauson A.H. Scheltema, 1985 - (PROCHAETODERMATIDAE)
- gaussae, Callochiton gaussae K.H.J. Thiele, 1908 - (CALLOCHITONIDAE)
- gaussi, Callochiton gaussi K.H.J. Thiele, 1908 - syn of: Callochiton gaussae K.H.J. Thiele, 1908 - (CALLOCHITONIDAE)
- gaussiana, Acanthomenia gaussiana K.H.J. Thiele, 1913 - (ACANTHOMENIIDAE)
- gaussiana, Cerithiopsilla gaussiana E.N. Egorova, 1972 - (CERITHIOPSIDAE)
- gaussiana, Cyclochlamys gaussiana (K.H.J. Thiele, 1912) - (CYCLOCHLAMYDIDAE)
- gaussiana, Palliolum gaussiana K.H.J. Thiele, 1912 - syn of: Cyclochlamys gaussiana (K.H.J. Thiele, 1912) - (PECTINIDAE)
- gaussianum, Fissidentalium gaussianum H.P. Plate, 1908 - syn of: Dentalium majorinum J.F. Mabille & A. de Rochebrune, 1889 - (DENTALIIDAE)
- gaussianus, Prodoridunculus gaussianus K.H.J. Thiele, 1912 - (AKIODORIDIDAE)
- gaussianus, Prosipho gaussianus K.H.J. Thiele, 1912 - (BUCCINIDAE)
- gaussianus, Cyclopecten gaussianus K.H.J. Thiele, 1912 - syn of: Cyclochlamys gaussiana (K.H.J. Thiele, 1912) - (PROPEAMUSSIIDAE)
- gaussoni, Zaphysema gaussoni (G.W. Tryon, 1866) - (SAGDIDAE)
- gauszi, Pruvotina gauszi L. Salvini-Plawén, 1978 - (PRUVOTINIDAE)
- gautama, Peristernia gautama Noetling, 1901 † - (FASCIOLARIIDAE) (FOSSIL)
- gautama, Brachytoma gautama E.W. Vredenburg, 1921 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- gauthieri, Mercuria gauthieri P. Glöer, S. Bouzid & H.D. Boeters, 2010 - (HYDROBIIDAE)
- Gauthiericeras, Genus Gauthiericeras de Grossouvre, 1894 † (COLLIGNONICERATIDAE) (FOSSIL)
- Gautieraia, Genus Gautieraia D. Van Damme & G.E. Pickford, 2010 (UNIONIDAE)
- gautieri, Besla gautieri E. Saurin, 1959 - (PYRAMIDELLIDAE)
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