- san, Marginella san S.G. Veldsman, 2014 - (MARGINELLIDAE)
- san, Ammonicera san E. Rolán, A.A. Luque & A. Peñas, 2009 - (OMALOGYRIDAE)
- sana, Coelocaulus sana Barrande in J. Perner, 1907 † - syn of: Medfracaulus sana (Barrande in J. Perner, 1907 †) - (MURCHISONIIDAE) (FOSSIL)
- sana, Medfracaulus sana (Barrande in J. Perner, 1907 †) - (PTYCHOCAULIDAE) (FOSSIL)
- sanadai, Menuites sanadai E. Matsumoto, 1984 † - (PACHYDISCIDAE) (FOSSIL)
- sanagaensis, Lanistes sanagaensis W.J. Clench, 1929 - (AMPULLARIIDAE)
- sanajusti, Pacaudina sanajusti J.J. Vermeulen & al., 2010 † - (ANAHAMULINIDAE) (FOSSIL)
- sanandreasense, Parapenascoceras sanandreasense (Miller & al., 1933 †) - (DOMATOCERATIDAE) (FOSSIL)
- sanandreasense, Titanoceras sanandreasense Miller & al., 1933 † - syn of: Parapenascoceras sanandreasense (Miller & al., 1933 †) - (GRYPOCERATIDAE) (FOSSIL)
- sanata, Dosinia sanata E. Fischer-Piette & D. Delmas, 1967 - (VENERIDAE)
- sanboensis, Bradybaena sanboensis J.T. Kuroda & M. Miyanaga, 1939 - (BRADYBAENIDAE)
- sanboensis montana, Bradybaena sanboensis montana J.T. Kuroda & M. Miyanaga, 1943 - (BRADYBAENIDAE)
- sanbonica, Aegista gottschei sanbonica J.T. Kuroda, 1958 - (BRADYBAENIDAE)
- sanborni, Vermiculatus sanborni (F. Haas, 1947) - (BULIMULIDAE)
- sanburni, Cryptomastix sanburni (W.G. Binney, 1886) - (POLYGYRIDAE)
- sancangensis, Amphidromus sancangensis B. Dharma, 2007 - (CAMAENIDAE)
- Sancara, syn of: Genus Linguella A.E.J. Férussac, 1822 (ARMINIDAE)
- sanchezi, Salinator sanchezi (J.F. Quadras & O.F. von Möllendorff, 1894) - (AMPHIBOLIDAE)
- sanchezi, Cerion sanchezi W.J. Clench & C.G. Aguayo, 1953 - (CERIONIDAE)
- sanchezi, Pyrgulopsis sanchezi R. Hershler, H.P. Liu & C. Bradford, 2013 - (HYDROBIIDAE)
- sanchezi, Farcimen cisnerosi sanchezi L.O. Alcalde, 1945 - (MEGALOMASTOMIDAE)
- sanchezi, Abbottella sanchezi P. Bartsch, 1946 - (POMATIIDAE)
- sanchezi, Opisthosiphon sanchezi C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- sanchezi, Macroceramus sanchezi C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- sanchezi, Heterocoptis sanchezi C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- sanchezi spurca, Salinator sanchezi spurca T.C. Yen, 1939 - syn of: Salinator sanchezi (J.F. Quadras & O.F. von Möllendorff, 1894) - (AMPHIBOLIDAE)
- sanchristovalensis, Eumecostylus sanchristovalensis (J.C. Cox, 1870) - (BOTHRIEMBRYONTIDAE)
- sanchristovalensis, Bulimus sanchristovalensis J.C. Cox, 1870 - syn of: Eumecostylus sanchristovalensis (J.C. Cox, 1870) - (BULIMULIDAE)
- sanchristovalensis vicinus, Placostylus sanchristovalensis vicinus B. Rensch, 1934 - syn of: Eumecostylus vicinus (B. Rensch, 1934) - (BOTHRIEMBRYONTIDAE)
- sanchuensis, Tetoria sanchuensis (Yabe & Nagao 1926) † - (CYRENIDAE) (FOSSIL)
- sanchuensis, Rutitrigonia sanchuensis T. Nakano † - (RUTITRIGONIIDAE) (FOSSIL)
- sanchuensis, Portlandia sanchuensis (Yabe & Nagao 1926) † - (YOLDIIDAE) (FOSSIL)
- sanciae, Kaseilla sanciae R.G. Moolenbeek & H.J. Hoenselaar, 2010 - (PICKWORTHIIDAE)
- Sanciaella, Genus Sanciaella R.G. Moolenbeek & H.J. Hoenselaar, 2010 (ACLIDIDAE)
- sancta, Melanopsis sancta J.R. Bourguignat, 1884 - (MELANOPSIDAE)
- sancta, Oxychilus sancta J.R. Bourguignat, 1853 - syn of: Oxychilus cellarius (O.F. Müller, 1774) - (OXYCHILIDAE)
- sanctacrucensis, Kowalatrochus sanctacrucensis Krawczynski, 2002 † - (PSEUDOPHORIDAE) (FOSSIL)
- sanctacrucensis, Palaeoconchus sanctacrucensis Zaton & Krawczynski, 2011 † - (VIRIATELLIDAE) (FOSSIL)
- sanctacruciensis, Posttornoceras sanctacruciensis Pajchlowa, 1972 † - (POSTTORNOCERATIDAE) (FOSSIL)
- sanctacruciensis, Prolobites sanctacruciensis Pajchlowa, 1972 † - (PROLOBITIDAE) (FOSSIL)
- sanctacruzense, Cerion sanctacruzense C.G. Aguayo & M.L. Jaume, 1951 - (CERIONIDAE)
- sanctacruzense poeyi, Cerion sanctacruzense poeyi C.G. Aguayo & M.I. Sánchez Roig, 1953 - (CERIONIDAE)
- sanctae, Mitrella sanctae E.A. Smith, 1890 - syn of: Mitrella sanctaehelenae (E.A. Smith, 1890) - (COLUMBELLIDAE)
- sanctae, Columbella sanctae E.A. Smith, 1890 - syn of: Mitrella sanctaehelenae (E.A. Smith, 1890) - (COLUMBELLIDAE)
- sanctaeanae, Silberlingitoides sanctaeanae (Smith 1914 †) - (CERATITIDAE) (FOSSIL)
- sanctaecatherinae, Lamnayella sanctaecatherinae (Wright & J. Kennedy, 1978 †) - (LYELLICERATIDAE) (FOSSIL)
- sanctaecrucis, Ampullaria sanctaecrucis Wissmann, 1841 † - (AMPULLARIIDAE) (FOSSIL)
- sanctaecrucis, Vectianella sanctaecrucis (Pictet & Campiche 1865) † - (ARCTICIDAE) (FOSSIL)
- sanctaecrucis, Heminautilus sanctaecrucis Conte, 1980 † - (CENOCERATIDAE) (FOSSIL)
- sanctaecrucis, Helminthoglypta sanctaecrucis H.A. Pilsbry, 1927 - (HELMINTHOGLYPTIDAE)
- sanctaecrucis, Miltha sanctaecrucis R. Arnold, 1910 † - (LUCINIDAE) (FOSSIL)
- sanctaecrucis, Amauropsis sanctaecrucis Laube, 1868 † - (NATICIDAE) (FOSSIL)
- sanctaecrucis, Pholadomya sanctaecrucis Pictet & Campiche, 1865 - (PHOLADOMYIDAE)
- sanctaecrucis, Lycettitrigonia sanctaecrucis (Pictet & Campiche, 1866 †) - (RUTITRIGONIIDAE) (FOSSIL)
- sanctaecrucis, Trigonia sanctaecrucis Pictet & Campiche, 1866 † - syn of: Lycettitrigonia sanctaecrucis (Pictet & Campiche, 1866 †) - (TRIGONIIDAE) (FOSSIL)
- sanctaehelenae, Arca sanctaehelenae E.A. Smith, 1890 - syn of: Arca bouvieri P. Fischer, 1874 - (ARCIDAE)
- sanctaehelenae, Mitrella sanctaehelenae (E.A. Smith, 1890) - (COLUMBELLIDAE)
- sanctaehelenae, Vexillum sanctaehelenae (E.A. Smith, 1890) - (COSTELLARIIDAE)
- sanctaehelenae, Epitonium sanctaehelenae (E.A. Smith, 1890) - (EPITONIIDAE)
- sanctaehelenae, Pteropurpura sanctaehelenae (E.A. Smith, 1890) - (MURICIDAE)
- sanctaehelenae, Murex sanctaehelenae E.A. Smith, 1890 - syn of: Pteropurpura sanctaehelenae (E.A. Smith, 1890) - (MURICIDAE)
- sanctaehelenae, Ocenebra sanctaehelenae E.A. Smith, 1890 - syn of: Pteropurpura sanctaehelenae (E.A. Smith, 1890) - (MURICIDAE)
- sanctaehelenae, Nassarius sanctaehelenae (A. Adams, 1852) - (NASSARIIDAE)
- sanctaehelenae, Natica sanctaehelenae E.A. Smith, 1890 - (NATICIDAE)
- sanctaehelenae, Octopus sanctaehelenae C.W. Robson, 1929 - (OCTOPODIDAE)
- sanctaehelenae, Pyramidella sanctaehelenae (E.A. Smith, 1890) - (PYRAMIDELLIDAE)
- sanctaehelenae, Obeliscus sanctaehelenae E.A. Smith, 1890 - syn of: Pyramidella sanctaehelenae (E.A. Smith, 1890) - (SUBULINIDAE)
- sanctaehelenae, Succinea sanctaehelenae R.P. Lesson, 1830 - (SUCCINEIDAE)
- sanctaeluciae, Archachatina sanctaeluciae A.C. van Bruggen, 1989 - (ACHATINIDAE)
- sanctaeluciae, Bulimus sanctaeluciae E.A. Smith, 1889 - syn of: Protoglyptus sanctaeluciae (E.A. Smith, 1889) - (BULIMULIDAE)
- sanctaeluciae, Fusinus sanctaeluciae C.U.A. von Salis-Marschlins, 1793 - syn of: Fusinus rostratus (A.G. Olivi, 1792) - (FASCIOLARIIDAE)
- sanctaeluciae, Protoglyptus sanctaeluciae (E.A. Smith, 1889) - (ORTHALICIDAE)
- sanctaeluciae luciae, Protoglyptus sanctaeluciae luciae H.A. Pilsbry, 1897 - (ORTHALICIDAE)
- sanctaemariae, Leptoconus sanctaemariae E.J. Petuch, 1988 † - (CONIDAE) (FOSSIL)
- sanctaemariae, Pseudoaptyxis sanctaemariae E.J. Petuch, 1988 † - (FASCIOLARIIDAE) (FOSSIL)
- sanctaemariae, Helixena sanctaemariae (P.M.A. Morelet & H. Drouët, 1857) - (HELICIDAE)
- sanctaemariae, Leptaxis sanctaemariae (P.M.A. Morelet & H. Drouët, 1857) - (HYGROMIIDAE)
- sanctaemariae, Lymnaea stagnalis sanctaemariae B. Walker, 1892 - (LYMNAEIDAE)
- sanctaemariae, Scaphellopsis sanctaemariae E.J. Petuch, 1989 † - (VOLUTIDAE) (FOSSIL)
- sanctaemartae, Helicina sanctaemartae A.S.H. Breure, 1978 - syn of: Helicina duo A.S.H. Breure, 2011 - (HELICINIDAE)
- sanctaemarthae, Drymaeus sanctaemarthae H.A. Pilsbry, 1901 - (BULIMULIDAE)
- sanctaemarthae, Conus sanctaemarthae D.L.N. Vink, 1977 - syn of: Tenorioconus granarius (L.C. Kiener, 1845) - (CONIDAE)
- sanctaemarthae, Helicina sanctaemarthae H.A. Pilsbry & W.F. Clapp, 1902 - (HELICINIDAE)
- sanctaemarthae, Solecurtus sanctaemarthae D'Orbigny, 1853 - (SOLECURTIDAE)
- sanctaemarthae, Solecurtus sanctaemarthae G.B. II Sowerby, 1874 - syn of: Solecurtus rhombus (L. Spengler, 1794) - (SOLECURTIDAE)
- sanctaemonicae, Ischnochiton sanctaemonicae S.S. Berry, 1911 † - (ISCHNOCHITONIDAE) (FOSSIL)
- sanctahelenae, Vexillum sanctahelenae E.A. Smith, 1890 - syn of: Vexillum sanctaehelenae (E.A. Smith, 1890) - (COSTELLARIIDAE)
- sanctahelenae, Erosaria acicularis sanctahelenae F.A. Schilder, 1930 - (CYPRAEIDAE)
- sanctaluciaense, Mitromorpha sanctaluciaense Espinosa & Ortea, 2017 - (MITROMORPHIDAE)
- sanctaluciaensis, Mitromorpha sanctaluciaensis Espinosa & Ortea, 2017 - (MITROMORPHIDAE)
- sanctamariae, Cerion sanctamariae C.G. Aguayo & M.L. Jaume, 1951 - (CERIONIDAE)
- sanctamariae, Helixena sanctamariae P.M.A. Morelet & H. Drouët, 1857 - syn of: Helixena sanctaemariae (P.M.A. Morelet & H. Drouët, 1857) - (HELICIDAE)
- sanctamariae, Diplodon sanctamariae J. Quintana, 1982 - syn of: Rhipidodonta charruana (A.V.M.D. D'Orbigny, 1835) - (HYRIIDAE)
- sanctamarthaense, Periploma sanctamarthaense N.E. Ardila & J.M. Díaz, 1998 - (PERIPLOMATIDAE)
- sanctamonicae, Oenopota sanctamonicae R. Arnold, 1903 - (MANGELIIDAE)
- sanctanensis, Drymaeus poecilus sanctanensis W.H. Dall, 1912 - (BULIMULIDAE)
- sanctangeli, Siciliaria gibbula sanctangeli (A.J. Wagner, 1925) - (CLAUSILIIDAE)
- sanctannae, Urocoptis sanctannae (H.A. Pilsbry, 1902) - (UROCOPTIDAE)
- sanctapaulae, Unio sanctapaulae C.T. Simpson, 1914 - syn of: Diplodon delodontus (J.B.P.A. Lamarck, 1819) - (UNIONIDAE)
- sanctesebastiani, Luria sanctesebastiani T. Iredale, 1930 - syn of: Notadusta punctata (C. Linnaeus, 1771) - (CYPRAEIDAE)
- sanctiandreae, Trinitasia sanctiandreae (C.J. Maury, 1925 †) - (MACTRIDAE) (FOSSIL)
- sanctiblasii, Harvella sanctiblasii C.J. Maury, 1925 - syn of: Harvella elegans (Sowerby, 1825) - (MACTRIDAE)
- sanctiblasii, Mactra sanctiblasii C.J. Maury, 1925 - syn of: Harvella elegans (Sowerby, 1825) - (MACTRIDAE)
- sanctiblasii, Harvella sanctiblasii C.J. Maury, 1925 - syn of: Harvella elegans (Sowerby, 1825) - (MACTRIDAE)
- sancticaroli, Frigidocardium sancticaroli J.J. Ter Poorten & J. Poutiers, 2009 - (CARDIIDAE)
- Sancticarolis, Genus Sancticarolis Mezzalira, 1974 † (SANCTICAROLITIDAE) (FOSSIL)
- SANCTICAROLITIDAE Simone & Mezzalira, 1997 † - Family (BIVALVIA-PALAEOHETERODONTA [Subclass]-UNIONIDA [Order]-UNIONOIDEA [Superfamily]) (FOSSIL)
- sanctichristophori, Moitessieria sanctichristophori J. Corbella, G. Guillén, L. Prats & al., 2011 - (MOITESSIERIIDAE)
- sancticola, Uncinicoptis sancticola C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- sanctidavidis, Cruziturricula fusinus sanctidavidis (C.J. Maury, 1925) - (DRILLIIDAE)
- sanctidominici, Varicorbula sanctidominici (C.J. Maury, 1925 †) - (CORBULIDAE) (FOSSIL)
- sanctidominici, Olivella sanctidominici C.J. Maury, 1917 † - syn of: Jaspidella colleta (W.H. Dall, 1915 †) - (OLIVELLIDAE) (FOSSIL)
- sanctidominici, Jaspidella sanctidominici (C.J. Maury, 1917 †) - (OLIVIDAE) (FOSSIL)
- sanctidominici, Martesia sanctidominici C.J. Maury, 1917 † - (PHOLADIDAE) (FOSSIL)
- sanctidominici, Solecurtus sanctidominici C.J. Maury, 1917 † - (SOLECURTIDAE) (FOSSIL)
- sanctidominici, Niveria suffusa sanctidominici C.J. Maury, 1917 - (TRIVIIDAE)
- sanctifrancisci, Fusimitra sanctifrancisci C.J. Maury, 1925 † - (MITRIDAE) (FOSSIL)
- sanctigallae, Mangelia sanctigallae J.E. Tenison-Woods, 1877 - (MANGELIIDAE)
- sanctigallae benedicti, Mangelia sanctigallae benedicti J.E. Tenison-Woods, 1877 - (MANGELIIDAE)
- sanctiioannis, Antiplanes sanctiioannis (E.A. Smith, 1875) - (PSEUDOMELATOMIDAE)
- sanctiioannis, Pleurotoma sanctiioannis E.A. Smith, 1875 - syn of: Antiplanes sanctiioannis (E.A. Smith, 1875) - (TURRIDAE)
- sanctijacobi, Cerithium sanctijacobi Greppin, 1888 † - syn of: Cosmocerithium sanctijacobi (Greppin, 1888 †) - (CERITHIIDAE) (FOSSIL)
- sanctijacobi, Cosmocerithium sanctijacobi (Greppin, 1888 †) - (PROCERITHIIDAE) (FOSSIL)
- sanctijohannis, Amnicola sanctijohannis H.A. Pilsbry, 1899 - (AMNICOLIDAE)
- sanctijohannis, Sinum sanctijohannis H.A. Pilsbry & H.N. Lowe, 1932 - (NATICIDAE)
- sanctijohannis, Mayabina sanctijohannis D.W. Taylor, 2003 - (PHYSIDAE)
- sanctilaurentii, Obscurella sanctilaurentii A. Bofill, 1917 - syn of: Cochlostoma martorelli (G. Servain, 1880) - (COCHLOSTOMATIDAE)
- sanctiludovici, Chlamys sanctiludovici Anderson & Martin, 1914 † - (PECTINIDAE) (FOSSIL)
- sanctimartini, Zebina sanctimartini P. Lozouet, 2011 † - (ZEBINIDAE) (FOSSIL)
- sanctinaumi, Ohridohauffenia sanctinaumi (P. Radoman, 1964) - (HYDROBIIDAE)
- sanctinaumi, Pyrgohydrobia sanctinaumi P. Radoman, 1955 - (HYDROBIIDAE)
- sanctioannis, Antiplanes sanctioannis E.A. Smith, 1875 - syn of: Antiplanes sanctiioannis (E.A. Smith, 1875) - (PSEUDOMELATOMIDAE)
- sanctipaulensis, Alvania sanctipaulensis P. Lozouet, 1998 † - (RISSOIDAE) (FOSSIL)
- sanctipaulensis, Umbraculum sanctipaulensis Valdés & P. Lozouet, 2000 † - (UMBRACULIDAE) (FOSSIL)
- sanctipauli, Architeuthis sanctipauli C. Vélain, 1877 - syn of: Architeuthis dux J.J.S. Steenstrup, 1857 - (ARCHITEUTHIDAE)
- sanctipauli, Mouchezis sanctipauli C. Vélain, 1877 - syn of: Architeuthis dux J.J.S. Steenstrup, 1857 - (ARCHITEUTHIDAE)
- sanctipauli, Condylocardia sanctipauli F. Bernard, 1896 - (CONDYLOCARDIIDAE)
- sanctipauli, Megalobulimus sanctipauli (L.A. Reeve, 1851) - (MEGALOBULIMIDAE)
- sanctipauli, Martesia sanctipauli C.J. Maury, 1917 † - (PHOLADIDAE) (FOSSIL)
- sanctipauli, Rissoella sanctipauli Vélain, 1877 - (RISSOELLIDAE)
- sanctipauli, Unio sanctipauli A.A. Bonetto, 1964 - syn of: Diplodon expansus (H.C. Küster, 1853) - (UNIONIDAE)
- sanctipauli eyerdami, Megalobulimus sanctipauli eyerdami (J.C. Bequaert, 1948) - (MEGALOBULIMIDAE)
- sanctipetrensis, Trapania sanctipetrensis J.L. Cervera, J.C. García-Gómez & C. Megina, 2000 - (GONIODORIDIDAE)
- sanctisabae, Lecanospira sanctisabae (F.A. Roemer, 1849 †) - (OPHILETIDAE) (FOSSIL)
- sanctispiritensis, Liguus fasciatus sanctispiritensis R.P. Guitart, 1945 - (ORTHALICIDAE)
- sanctispiritensis, Microceramus sanctispiritensis H.A. Pilsbry, 1913 - (UROCOPTIDAE)
- sanctispiritus, Triviella sanctispiritus (T. Shikama, 1974) - (TRIVIIDAE)
- sanctistampaensis, Stenothyroides sanctistampaensis P. Lozouet, Lesport & Renard, 2001 † - (STENOTHYRIDAE) (FOSSIL)
- sanctistephani, Globularia sanctistephani A.E.M. Cossmann & M.A. Peyrot, 1919 † - (AMPULLINIDAE) (FOSSIL)
- sanctivicentii, Natica sanctivicentii S.T. Brooks, 1933 - syn of: Polinices lacteus L. Guilding, 1834 - (NATICIDAE)
- sanctivincentii, Natica sanctivincentii S.T. Brooks, 1933 - syn of: Polinices lacteus L. Guilding, 1834 - (NATICIDAE)
- sanctizaumi, Zaumia sanctizaumi (P. Radoman, 1964) - (HYDROBIIDAE)
- sanctorum, Bailya sanctorum G.T. Watters, 2009 - (BUCCINIDAE)
- sanctorum, Juvenites sanctorum Smith, 1932 † - syn of: Juvenites septentrionalis Smith, 1932 † - (MELAGATHICERATIDAE) (FOSSIL)
- sanctorum, Odostomia sanctorum W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- sanctorumjohanium, Elliptio sanctorumjohanium B.H. Wright, 1933 - syn of: Elliptio jayensis I. Lea, 1838 - (UNIONIDAE)
- sanctumpatriciusae, Australocosmica sanctumpatriciusae F. Köhler, 2011 - (CAMAENIDAE)
- sanctus, Aesopus sanctus W.H. Dall, 1919 - (COLUMBELLIDAE)
- Sandahlia, syn of: Genus Abida W.E. Leach in W.H. Turton, 1831 (CHONDRINIDAE)
- sandai, Euhadra sandai (W. Kobelt, 1878) - (BRADYBAENIDAE)
- sandai, Corbicula sandai O.W.H. Reinhardt, 1878 - (CYRENIDAE)
- sandai communis, Euhadra sandai communis H.A. Pilsbry, 1928 - (BRADYBAENIDAE)
- sandai daisenica, Euhadra sandai daisenica J.T. Kuroda, 1931 - (BRADYBAENIDAE)
- sandai kuramana, Euhadra sandai kuramana J.T. Kuroda & A. Teramachi, 1937 - (BRADYBAENIDAE)
- sandai okanoi, Euhadra sandai okanoi H.A. Pilsbry & T.D.A. Cockerell, 1927 - (BRADYBAENIDAE)
- sandai oki, Euhadra sandai oki H.A. Pilsbry, 1928 - (BRADYBAENIDAE)
- sandai viola, Corbicula sandai viola H.A. Pilsbry, 1907 - (CYRENIDAE)
- sandai yahatai, Euhadra sandai yahatai J.T. Kuroda & M. Azuma, 1982 - (BRADYBAENIDAE)
- sandaiformis, Corbicula sandaiformis M. Yokoyama, 1922 † - (CYRENIDAE) (FOSSIL)
- Sandalia, Genus Sandalia J. Cate, 1973 (OVULIDAE)
- sandaliformis, Crepidula sandaliformis P.M.T. de Serres, 1830 - syn of: Crepidula unguiformis J.B.P.A. Lamarck, 1822 - (CALYPTRAEIDAE)
- sandalina, Crepidula sandalina G.P. Deshayes, 1833 - syn of: Crepidula unguiformis J.B.P.A. Lamarck, 1822 - (CALYPTRAEIDAE)
- sandalina, Gregariella sandalina T.A. de M. Monterosato, 1872 - syn of: Gregariella semigranata (L.A. Reeve, 1858) - (MYTILIDAE)
- sandalina, Theodoxus sandalina C.A. Récluz, 1842 - (NERITIDAE)
- sandalina, Ostrea sandalina G.A. Goldfuss, 1834 † - (OSTREIDAE) (FOSSIL)
- sandaliotica, Xerosecta sandaliotica W. De Mattia, 2014 - (HYGROMIIDAE)
- Sandalium, syn of: Genus Septaria A.E.J. Férussac, 1807 (NERITIDAE)
- Sandalomenia, Genus Sandalomenia K.H.J. Thiele, 1913 (SANDALOMENIIDAE)
- SANDALOMENIIDAE Salvini-Plawen, 1978 - Family (SOLENOGASTRES-SOLENOGASTRES [Subclass]-PHOLIDOSKEPIA [Order])
- Sandalops, Genus Sandalops C. Chun, 1906 (CRANCHIIDAE)
- Sandbergeoceras, syn of: Genus Sandbergeroceras Hyatt , 1894 † (TRIAINOCERATIDAE) (FOSSIL)
- sandbergeri, Omphalosagda sandbergeri W.R. Schlickum & F. Strauch, 1979 † - syn of: Pachyretinella sandbergeri (W.R. Schlickum & F. Strauch, 1979 †) - (ARCHAEOZONITIDAE) (FOSSIL)
- sandbergeri, Arca sandbergeri G.P. Deshayes, 1860 † - (ARCIDAE) (FOSSIL)
- sandbergeri, Bactroceras sandbergeri (Barrande, 1867 †) - (BALTOCERATIDAE) (FOSSIL)
- sandbergeri, Clausilia sandbergeri A. Mousson, 1873 - syn of: Megaleuxina derasa (A. Mousson, 1863) - (CLAUSILIIDAE)
- sandbergeri, Orthoclymenia sandbergeri Wedekind, 1908 † - syn of: Stenoclymenia sandbergeri (Wedekind, 1908 †) - (CLYMENIIDAE) (FOSSIL)
- sandbergeri, Clymenia sandbergeri Wedekind, 1908 † - syn of: Stenoclymenia sandbergeri (Wedekind, 1908 †) - (CLYMENIIDAE) (FOSSIL)
- sandbergeri, Epicanites sandbergeri (A. Schmidt, 1925 †) - (DARAELITIDAE) (FOSSIL)
- sandbergeri, Dentalium sandbergeri A.E.M. Cossmann & A. Lambert, 1884 † - (DENTALIIDAE) (FOSSIL)
- sandbergeri, Patula sandbergeri S. Clessin, 1894 † - syn of: Discus euglyphus (A.E. Reuss in A.E. Reuss & Meyer, 1849 †) - (DISCIDAE) (FOSSIL)
- sandbergeri, Pseudocirsope sandbergeri (C. Mayer, 1864 †) - (ELACHISINIDAE) (FOSSIL)
- sandbergeri, Carychium sandbergeri Handmann, 1887 † - (ELLOBIIDAE) (FOSSIL)
- sandbergeri, Fasciolaria sandbergeri Author unknown † - (FASCIOLARIIDAE) (FOSSIL)
- sandbergeri, Gastrocopta sandbergeri Stworzewicz & Prisyazhnyuk, 2006 † - (GASTROCOPTIDAE) (FOSSIL)
- sandbergeri, Maternoceras sandbergeri (Wedekind, 1913 †) - (GEPHUROCERATIDAE) (FOSSIL)
- sandbergeri, Gephyroceras sandbergeri Wedekind, 1913 † - syn of: Maternoceras sandbergeri (Wedekind, 1913 †) - (GEPHUROCERATIDAE) (FOSSIL)
- sandbergeri, Goniatites sandbergeri Gümbel, 1862 † - syn of: Pseudoclymenia pseudogoniatites (C.L.F. von Sandberger, 1853 †) - (GONIATITIDAE) (FOSSIL)
- sandbergeri, Bythiospeum sandbergeri (K. Flach, 1886) - (HYDROBIIDAE)
- sandbergeri, Kosovoceras sandbergeri (Barrande, 1865 †) - (LECHRITROCHOCERATIDAE) (FOSSIL)
- sandbergeri, Coroceras sandbergeri (Mojsisovics, 1875 †) - (LOBITIDAE) (FOSSIL)
- sandbergeri, Galba sandbergeri (Lomnicki, 1886 †) - (LYMNAEIDAE) (FOSSIL)
- sandbergeri, Melanopsis sandbergeri M. von Neumayr, 1869 † - (MELANOPSIDAE) (FOSSIL)
- sandbergeri, Milax sandbergeri (Clessin, 1885) † - (MILACIDAE) (FOSSIL)
- sandbergeri, Murchisonia sandbergeri Paeckelmann, 1922 † - (MURCHISONIIDAE) (FOSSIL)
- sandbergeri, Murex sandbergeri A. von Koenen, 1889 † - (MURICIDAE) (FOSSIL)
- sandbergeri, Modiolus sandbergeri M. Glibert & de Heinzelin, 1954 † - (MYTILIDAE) (FOSSIL)
- sandbergeri, Nerita sandbergeri Fischer & W.A. Wenz, 1912 † - (NERITIDAE) (FOSSIL)
- sandbergeri, Pachyretinella sandbergeri (W.R. Schlickum & F. Strauch, 1979 †) - (OXYCHILIDAE) (FOSSIL)
- sandbergeri, Trigonodus sandbergeri (Alberti, 1864 †) - (PACHYCARDIIDAE) (FOSSIL)
- sandbergeri, Pecten sandbergeri Klipstein, 1843 † - syn of: Pecten protei Münster, 1841 † - (PECTINIDAE) (FOSSIL)
- sandbergeri, Stenoclymenia sandbergeri (Wedekind, 1908 †) - (PLATYCLYMENIIDAE) (FOSSIL)
- sandbergeri, Syrnola sandbergeri (J.A.H. Bosquet, 1859 †) - (PYRAMIDELLIDAE) (FOSSIL)
- sandbergeri, Macrochilina sandbergeri (Laube, 1868 †) - (SOLENISCIDAE) (FOSSIL)
- sandbergeri, Strobilops sandbergeri (Lomnicki, 1886) † - (STROBILOPSIDAE) (FOSSIL)
- sandbergeri, Truyolsoceras sandbergeri (Foord & Crick, 1897 †) - (TORNOCERATIDAE) (FOSSIL)
- sandbergeri, Vermetus sandbergeri Boettger, 1883 † - (VERMETIDAE) (FOSSIL)
- sandbergeri correcta, Melanopsis sandbergeri correcta Stefanescu, 1896 † - syn of: Melanopsis correcta Stefanescu, 1896 † - (MELANOPSIDAE) (FOSSIL)
- sandbergeri dillensis, Pseudoclymenia sandbergeri dillensis Drevermann, 1901 † - syn of: Pseudoclymenia dillensis Drevermann, 1901 † - (PSEUDOCLYMENIIDAE) (FOSSIL)
- Sandbergeria, Genus Sandbergeria Bosquet, 1860 † (DIASTOMATIDAE) (FOSSIL)
- Sandbergeriella, Subgenus Staliopsis (Sandbergeriella) W.R. Schlickum, 1968 (AMNICOLIDAE)
- Sandbergerina, Genus Sandbergerina Kadolsky, 1993 † (TRUNCATELLIDAE) (FOSSIL)
- Sandbergeroceras, Genus Sandbergeroceras Hyatt , 1894 † (TRIAINOCERATIDAE) (FOSSIL)
- SANDBERGEROCERATIDAE - syn of Family: TRIAINOCERATIDAE (FOSSIL)
- sandbergerorum, Pharciceras sandbergerorum (Bogoslovsky, 1955 †) - (PHARCICERATIDAE) (FOSSIL)
- sandbergerorum, Sphaeropharciceras sandbergerorum Bogoslovsky, 1955 † - syn of: Pharciceras sandbergerorum (Bogoslovsky, 1955 †) - (PHARCICERATIDAE) (FOSSIL)
- sandbergerorum, Sandbergeroceras sandbergerorum Miller, 1938 † - syn of: Triainoceras tuberculosocostatus (C.L.F. von Sandberger, 1851 †) - (TRIAINOCERATIDAE) (FOSSIL)
- sandbergi, Pleurorima sandbergi (E.F.R.K. Koken, 1889 †) - (GOSSELETINIDAE) (FOSSIL)
- sandbergi, Murchisonia sandbergi Paeckelmann, 1922 † - (MURCHISONIIDAE) (FOSSIL)
- sandbergi, Palaeozygopleura sandbergi (Holzapfel, 1895 †) - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- Sandbergia, syn of: Subgenus Sandbergeria (Aneurychilus) A.E.M. Cossmann, 1889 (DIASTOMATIDAE)
- Sandbergoceras, syn of: Genus Sandbergeroceras Hyatt , 1894 † (TRIAINOCERATIDAE) (FOSSIL)
- sandbiana, Lophospira sandbiana Ebbestad & al., 2013 † - (LOPHOSPIRIDAE) (FOSSIL)
- Sandella, syn of: Genus Amalda H. Adams & A. Adams, 1853 (ANCILLARIIDAE)
- sanderi, Sandericonus sanderi (E. Wils & R.G. Moolenbeek, 1979) - (CONIDAE)
- sanderi, Lindapterys sanderi E.J. Petuch, 1987 - (MURICIDAE)
- sanderi paschalli, Sandericonus sanderi paschalli E.J. Petuch, 1998 - syn of: Gradiconus paschalli (E.J. Petuch, 1998) - (CONIDAE)
- Sandericonus, Genus Sandericonus E.J. Petuch, 2013 (CONIDAE)
- sandersi, Dacrydium sandersi J.A. Allen, 1998 - (MYTILIDAE)
- sandersi, Lamellileda sandersi F.R. Bernard, 1989 - (NUCULANIDAE)
- sandersi, Ledella sandersi Z.A. Filatova & A.A. Schileyko, 1984 - (NUCULANIDAE)
- sandersi, Ledella sandersi J.A. Allen & G. Hannah, 1989 - syn of: Ledella verdiensis J.A. Allen & G. Hannah, 1989 - (NUCULANIDAE)
- sandersi, Striopulsellum sandersi V. Scarabino & F. Scarabino, 2011 - (PULSELLIDAE)
- sandersonae, Acar sandersonae Powell, 1933 - (ARCIDAE)
- sandersonae, Barbatia sandersonae A.W.B. Powell, 1933 - syn of: Acar sandersonae Powell, 1933 - (ARCIDAE)
- sandersonae, Neoguraleus sandersonae (C.E.R. Bucknill, 1928) - (MANGELIIDAE)
- sandersonae, Scrinium sandersonae C.E.R. Bucknill, 1928 - syn of: Neoguraleus sandersonae (C.E.R. Bucknill, 1928) - (MITROMORPHIDAE)
- sandersoni, Buccinum sandersoni A.E. Verrill, 1882 - syn of: Buccinum fragile T.A. Verkrüzen in G.O. Sars, 1878 - (BUCCINIDAE)
- sandersoni, Atys sandersoni W.H. Dall, 1881 - (HAMINOEIDAE)
- sandersoni, Murex sandersoni Cox, 1930 † - (MURICIDAE) (FOSSIL)
- sandersoni, Pleurotomella sandersoni A.E. Verrill, 1884 - (RAPHITOMIDAE)
- sandersoni, Alvania sandersoni A.E. Verrill, 1884 - syn of: Talassia sandersoni (A.E. Verrill, 1884) - (RISSOIDAE)
- sandersoni, Talassia sandersoni (A.E. Verrill, 1884) - (VANIKORIDAE)
- sandgatensis, Ecphora meganae sandgatensis E.J. Petuch, 1988 † - (MURICIDAE) (FOSSIL)
- sandgroundi, Bruggenina sandgroundi (J.C. Bequaert, 1950) - (ACHATINIDAE)
- sandiegensis, Diaulula sandiegensis (J.G. Cooper, 1863) - (DISCODORIDIDAE)
- sandiegensis, Doris sandiegensis J.G. Cooper, 1863 - syn of: Diaulula sandiegensis (J.G. Cooper, 1863) - (DORIDIDAE)
- sandiegensis pallida, Diaulula sandiegensis pallida L.S.R. Bergh, 1894 - syn of: Diaulula punctuolata (A.V.M.D. D'Orbigny, 1837) - (DISCODORIDIDAE)
- sandiegoensis, Cryptoconus sandiegoensis M.A. Hanna, 1927 † - (CONIDAE) (FOSSIL)
- sandimanensis, Schizodus sandimanensis Dickins, 1963 † - (SCHIZODIDAE) (FOSSIL)
- sandix, Tellina sandix (K.J. Boss, 1968) - (TELLINIDAE)
- sandix, Scissula sandix K.J. Boss, 1968 - syn of: Tellina sandix (K.J. Boss, 1968) - (TELLINIDAE)
- sandleroides, Syntomodrillia sandleroides (Tenison Woods, 1877 †) - (DRILLIIDAE) (FOSSIL)
- sandlingense, Trematoceras sandlingense (Mojsisovics, 1873 †) - (ORTHOCERATIDAE) (FOSSIL)
- sandlingense, Orthoceras sandlingense Mojsisovics, 1873 † - syn of: Trematoceras sandlingense (Mojsisovics, 1873 †) - (ORTHOCERATIDAE) (FOSSIL)
- sandlingensis, Brightonella sandlingensis Casey † - (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- sandlingensis, Discotropites sandlingensis (J. Von Hauer, 1849 †) - (TROPITIDAE) (FOSSIL)
- Sandlingites, Genus Sandlingites Mojsisovics , 1893 † (SANDLINGITIDAE) (FOSSIL)
- SANDLINGITIDAE Tozer, 1971 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-CLYDONITOIDEA [Superfamily]) (FOSSIL)
- sandoi, Stenosiphon sandoi Flower, 1956 † - (PROTEROCAMEROCERATIDAE) (FOSSIL)
- sandoi, Turbonilla sandoi (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- sandoi, Chemnitzia sandoi S. Nomura, 1938 - syn of: Turbonilla sandoi (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- sandomingense, Teinostoma sandomingense C.J. Maury, 1917 † - (TORNIDAE) (FOSSIL)
- sandovalensis, Hoplitoides sandovalensis Cobban & Hook, 1980 † - (COILOPOCERATIDAE) (FOSSIL)
- sandozi, Helicina sandozi R.J. Shuttleworth, 1852 - syn of: Tristramia zephyrina (P.L. Duclos, 1833) - (HELICINIDAE)
- sandrae, Prunum sandrae E.J. Petuch, 1997 † - (MARGINELLIDAE) (FOSSIL)
- sandrae, Diminovula sandrae F.Jr. Lorenz & D. Fehse, 2011 - (OVULIDAE)
- sandrana, Chelidonura sandrana W.B. Rudman, 1973 - (AGLAJIDAE)
- Sandria, syn of: Genus Galba F. von P. Schrank, 1803 (LYMNAEIDAE)
- sandrii, Triloba sandrii (H.C. Küster, 1844) - (CLAUSILIIDAE)
- sandrii, Micromelania sandrii Š. Brusina, 1902 † - (HYDROBIIDAE) (FOSSIL)
- sandrii, Mangelia sandrii Š. Brusina, 1865 - syn of: Mangelia paciniana (P. Calcara, 1839) - (MANGELIIDAE)
- sandrii, Mitra sandrii Š. Brusina, 1866 - syn of: Pusia granum (E. Forbes, 1844) - (MITRIDAE)
- sandrinae, Rimella sandrinae J.M. Pacaud & Pons, 2015 † - (RIMELLIDAE) (FOSSIL)
- sandrinae, Euterebra sandrinae (U. Aubry, 2008) - (TEREBRIDAE)
- sandrogorii, Magnamitra sandrogorii Huang & Salisbury, 2017 - (MITRIDAE)
- sandrogorii, Crassispira sandrogorii P. Ryall, J. Horro & E. Rolán, 2009 - (PSEUDOMELATOMIDAE)
- sandroi, Goriella sandroi R.G. Moolenbeek, 2008 - (EULIMIDAE)
- sandsfootensis, Camptonectes sandsfootensis Arkell W J † - (PECTINIDAE) (FOSSIL)
- sandsfootensis, Pinna sandsfootensis Arkell W J † - (PINNIDAE) (FOSSIL)
- sanduensis, Hunanonectes sanduensis Y. Fang, 1978 † - (PECTINIDAE) (FOSSIL)
- sanduskiensis, Sanguinolites sanduskiensis F.B. Meek † - (SANGUINOLITIDAE) (FOSSIL)
- sandvicensis, Aplysia sandvicensis G.B. II Sowerby, 1869 - syn of: Aplysia juliana J.R.C. Quoy & J.P. Gaimard, 1832 - (APLYSIIDAE)
- sandvicensis, Ostrea sandvicensis G.B. II Sowerby, 1871 - syn of: Dendostrea sandvichensis (G.B. II Sowerby in L.A. Reeve, 1871) - (OSTREIDAE)
- sandvichense, Cerithium sandvichense L.A. Reeve, 1865 - syn of: Cerithium columna sandwichensis L.A. Reeve, 1865 - (CERITHIIDAE)
- sandvichensis, Aplysia sandvichensis G.B. II Sowerby, 1869 - syn of: Aplysia depilans J.F. Gmelin, 1791 - (APLYSIIDAE)
- sandvichensis, Costellaria sandvichensis G. Nevill, 1875 - syn of: Vexillum virgo (C. Linnaeus, 1767) - (COSTELLARIIDAE)
- sandvichensis, Apicalia sandvichensis (G.B. II Sowerby, 1865) - (EULIMIDAE)
- sandvichensis, Fusinus sandvichensis G.B. II Sowerby, 1880 - (FASCIOLARIIDAE)
- sandvichensis, Dendostrea sandvichensis (G.B. II Sowerby in L.A. Reeve, 1871) - (OSTREIDAE)
- sandvichensis, Ostrea sandvichensis G.B. II Sowerby, 1871 - syn of: Dendostrea sandvichensis (G.B. II Sowerby in L.A. Reeve, 1871) - (OSTREIDAE)
- sandwicensis, Achatina sandwicensis L. Pfeiffer - syn of: Leptachatina sandwicensis (L. Pfeiffer, 1846) - (ACHATINIDAE)
- sandwicensis, Acteocina sandwicensis W.H. Pease, 1860 - (ACTEOCINIDAE)
- sandwicensis, Leptachatina sandwicensis (L. Pfeiffer, 1846) - (AMASTRIDAE)
- sandwicensis, Bostryx sandwicensis (L. Pfeiffer, 1846) - (BULIMULIDAE)
- sandwicensis, Cystiscus sandwicensis (W.H. Pease, 1860) - (CYSTISCIDAE)
- sandwicensis, Pedipes sandwicensis W.H. Pease, 1860 - (ELLOBIIDAE)
- sandwicensis, Fusinus undatus sandwicensis (G.B. II Sowerby, 1840) - (FASCIOLARIIDAE)
- sandwicensis, Helicina sandwicensis L.F.A. Souleyet - syn of: Pleuropoma laciniosa (J.W. Mighels, 1845) - (HELICINIDAE)
- sandwicensis, Marginella sandwicensis W.H. Pease, 1860 - syn of: Cystiscus sandwicensis (W.H. Pease, 1860) - (MARGINELLIDAE)
- sandwicensis, Cellana sandwicensis (W.H. Pease, 1861) - (NACELLIDAE)
- sandwicensis, Oliva sandwicensis W.H. Pease, 1860 - syn of: Omogymna sandwichensis (W.H. Pease, 1860) - (OLIVIDAE)
- sandwicensis, Physa sandwicensis R.A. Philippi, 1845 - syn of: Lymnaea producta J.W. Mighels, 1845 - (PHYSIDAE)
- sandwicensis, Daphnella sandwicensis W.H. Pease, 1860 - (RAPHITOMIDAE)
- sandwicensis, Erato sandwicensis W.H. Pease, 1860 - syn of: Sulcerato sandwichensis (G.B. II Sowerby, 1859) - (TRIVIIDAE)
- sandwicensis, Turbo sandwicensis W.H. Pease, 1861 - (TURBINIDAE)
- sandwichense, Meioceras sandwichense L. de Folin, 1881 - (CAECIDAE)
- sandwichense, Epitonium sandwichense P. Nyst, 1871 - (EPITONIIDAE)
- sandwichensis, Cerithium columna sandwichensis L.A. Reeve, 1865 - (CERITHIIDAE)
- sandwichensis, Euplica sandwichensis W.H. Pease, 1861 - syn of: Euplica turturina (J.B.P.A. Lamarck, 1822) - (COLUMBELLIDAE)
- sandwichensis, Columbella sandwichensis W.H. Pease, 1861 - syn of: Euplica turturina (J.B.P.A. Lamarck, 1822) - (COLUMBELLIDAE)
- sandwichensis, Tesselliconus sandwichensis (J.G. Walls, 1978) - (CONIDAE)
- sandwichensis, Costellaria sandwichensis G. Nevill, 1875 - syn of: Vexillum virgo (C. Linnaeus, 1767) - (COSTELLARIIDAE)
- sandwichensis, Gibberula sandwichensis W.H. Pease, 1860 - syn of: Cystiscus sandwicensis (W.H. Pease, 1860) - (CYSTISCIDAE)
- sandwichensis, Doris sandwichensis J.F.T. Eydoux & L.F.A. Souleyet, 1852 - syn of: Hexabranchus sanguineus (W.P.E.S. Rüppell & F.S. Leuckart, 1830) - (DORIDIDAE)
- sandwichensis, Auricula sandwichensis J.F.T. Eydoux & L.F.A. Souleyet, 1852 - syn of: Allochroa bronnii (R.A. Philippi, 1846) - (ELLOBIIDAE)
- sandwichensis, Apicalia sandwichensis G.B. II Sowerby, 1865 - syn of: Apicalia sandvichensis (G.B. II Sowerby, 1865) - (EULIMIDAE)
- sandwichensis, Helix sandwichensis L. Pfeiffer, 1849 - syn of: Systrophia sandwichensis (L. Pfeiffer, 1849) - (HELICIDAE)
- sandwichensis, Hexabranchus sandwichensis (J.R.C. Quoy & J.P. Gaimard, 1832) - (HEXABRANCHIDAE)
- sandwichensis, Hexabranchus sandwichensis L.F.A. Souleyet in J.F.T. Eydoux & L.F.A. Souleyet, 1852 - syn of: Hexabranchus souleyeti L.S.R. Bergh, 1877 - (HEXABRANCHIDAE)
- sandwichensis, Limax sandwichensis L.F.A. Souleyet, 1852 - (LIMACIDAE)
- sandwichensis, Limnaea sandwichensis R.A. Philippi - syn of: Lymnaea oahuensis L.F.A. Souleyet, 1852 - (LYMNAEIDAE)
- sandwichensis, Marginella sandwichensis W.H. Pease, 1860 - syn of: Cystiscus sandwicensis (W.H. Pease, 1860) - (MARGINELLIDAE)
- sandwichensis, Vitularia sandwichensis W.H. Pease, 1860 - syn of: Vitularia miliaris (J.F. Gmelin, 1791) - (MURICIDAE)
- sandwichensis, Natica sandwichensis (W.H. Dall, 1895) - (NATICIDAE)
- sandwichensis, Euspira sandwichensis (W.H. Dall, 1895) - syn of: Natica sandwichensis (W.H. Dall, 1895) - (NATICIDAE)
- sandwichensis, Neritina sandwichensis L.A. Reeve - syn of: Neritina taitensis (R.P. Lesson, 1831) - (NERITIDAE)
- sandwichensis, Omogymna sandwichensis (W.H. Pease, 1860) - (OLIVIDAE)
- sandwichensis, Physa sandwichensis S. Clessin, 1886 - syn of: Lymnaea producta J.W. Mighels, 1845 - (PHYSIDAE)
- sandwichensis, Daphnella sandwichensis W.H. Pease, 1860 - syn of: Daphnella sandwicensis W.H. Pease, 1860 - (RAPHITOMIDAE)
- sandwichensis, Onoba sandwichensis Güller & Zelaya, 2017 - (RISSOIDAE)
- sandwichensis, Systrophia sandwichensis (L. Pfeiffer, 1849) - (SCOLODONTIDAE)
- sandwichensis, Rochefortina sandwichensis (E.A. Smith, 1885) - (SEMELIDAE)
- sandwichensis, Spiraxis sandwichensis L. Pfeiffer - syn of: Allopeas mauritianum (L. Pfeiffer, 1852) - (SPIRAXIDAE)
- sandwichensis, Sulcerato sandwichensis (G.B. II Sowerby, 1859) - (TRIVIIDAE)
- sandwichensis, Trochus sandwichensis L.F.A. Souleyet, 1852 - (TROCHIDAE)
- sandwichensis, Turbo sandwichensis L.F.A. Souleyet, 1852 - syn of: Turbo sandwicensis W.H. Pease, 1861 - (TURBINIDAE)
- sandwichiensis, Agriolimax sandwichiensis (J.F.T. Eydoux, 1852) - (AGRIOLIMACIDAE)
- sandwichiensis, Pleuropoma laciniosa sandwichiensis (L.F.A. Souleyet, 1852) - (HELICINIDAE)
- sandwichiensis, Limax sandwichiensis J.F.T. Eydoux, 1852 - syn of: Agriolimax sandwichiensis (J.F.T. Eydoux, 1852) - (LIMACIDAE)
- sandwichiensis, Trochus sandwichiensis L.F.A. Souleyet, 1852 - syn of: Trochus intextus L.C. Kiener, 1850 - (TROCHIDAE)
- sanesia, Yoldia sanesia W.H. Dall, 1916 - syn of: Yoldiella orcia (W.H. Dall, 1916) - (YOLDIIDAE)
- sanetomoi, Odostomia sanetomoi S. Nomura, 1938 - (PYRAMIDELLIDAE)
- sanfelipensis, Anachis sanfelipensis (H.N. Lowe, 1935) - (COLUMBELLIDAE)
- sanfelipensis, Volvarina sanfelipensis J. Espinosa & J.A. Ortea, 2013 - (MARGINELLIDAE)
- sanfilippoi, Checchiaia sanfilippoi Maxia, 1941 † - (APORRHAIDAE) (FOSSIL)
- sanfilippoi, Sauvagesia sanfilippoi C.F. Parona, 1933 † - (RADIOLITIDAE) (FOSSIL)
- sangalense, Acanthoceras sangalense Benavides-Caceres, 1956 † - (ACANTHOCERATIDAE) (FOSSIL)
- sangallii, Stutchburia sangallii Larghi, 2005 † - (KALENTERIDAE) (FOSSIL)
- sangarense, Homalopoma sangarense (L. von Schrenck, 1861) - (COLLONIIDAE)
- sangarica, Esperiana sangarica H. Schütt, 1974 - (MELANOPSIDAE)
- sanghanensis, Serrulina sanghanensis J. Germain, 1933 - (CLAUSILIIDAE)
- sangiranensis, Accidenticulabrum sangiranensis (Martin, 1906 †) - (BUCCINIDAE) (FOSSIL)
- sangkarensis, Discartemon sangkarensis W.S.S. Van Benthem-Jutting, 1959 - (STREPTAXIDAE)
- sangmilensis, Oistotrigonia sangmilensis (Repman, 1967 †) - (PTEROTRIGONIIDAE) (FOSSIL)
- sangoae, Thaumastus sangoae (J.J. von Tschudi, 1852) - (MEGASPIRIDAE)
- sangobense, Propinacoceras sangobense Leonova, 1992 † - (MEDLICOTTIIDAE) (FOSSIL)
- sangpingensis, Hemiphaedusa sangpingensis C. Chen & S.Q. Zhang, 1999 - (CLAUSILIIDAE)
- sangraiana, Emoda sangraiana (A.V.M.D. D'Orbigny, 1842) - (HELICINIDAE)
- sangria, Hermosita sangria T.M. Gosliner & D.W. Behrens, 1986 - (FACELINIDAE)
- sanguicuneosa, Syngenoherpia sanguicuneosa L. Salvini-Plawén, 1978 - (SYNGENOHERPIIDAE)
- sanguidens, Nerita sanguidens C.A. Récluz, 1850 - syn of: Nerita peloronta C. Linnaeus, 1758 - (NERITIDAE)
- sanguifera, Aeolidia sanguifera J.G. Dalyell, 1853 - syn of: Cuthona gymnota (J.P.Y. Couthouy, 1838) - (AEOLIDIIDAE)
- sanguifera, Catriona sanguifera J.G. Dalyell, 1853 - syn of: Cuthona gymnota (J.P.Y. Couthouy, 1838) - (TRINCHESIIDAE)
- sanguiflua, Turbinella sanguiflua L.A. Reeve, 1847 - syn of: Turrilatirus sanguifluus (L.A. Reeve, 1847) - (TURBINELLIDAE)
- sanguifluus, Turrilatirus sanguifluus (L.A. Reeve, 1847) - (FASCIOLARIIDAE)
- sanguinans, Cymbula sanguinans L.A. Reeve, 1856 - (PATELLIDAE)
- sanguinea, Achatinella sanguinea W. Newcomb, 1854 - syn of: Laminella sanguinea (W. Newcomb, 1854) - (ACHATINELLIDAE)
- sanguinea, Rictaxis sanguinea Á. Valdés, 2008 - (ACTEONIDAE)
- sanguinea, Aeolidiella sanguinea (A.M. Norman, 1877) - (AEOLIDIIDAE)
- sanguinea, Philinopsis sanguinea (J.K. Allan, 1933) - (AGLAJIDAE)
- sanguinea, Laminella sanguinea (W. Newcomb, 1854) - (AMASTRIDAE)
- sanguinea, Aldisa sanguinea (J.G. Cooper, 1863) - (CADLINIDAE)
- sanguinea, Zemitrella sanguinea H.H. Suter, 1908 - syn of: Zemitrella rosea (F.W. Hutton, 1873) - (COLUMBELLIDAE)
- sanguinea, Thordisa sanguinea K. Baba, 1955 - (DISCODORIDIDAE)
- sanguinea, Platydoris sanguinea L.S.R. Bergh, 1905 - (DISCODORIDIDAE)
- sanguinea, Doris sanguinea W.P.E.S. Rüppell & F.S. Leuckart, 1830 - syn of: Hexabranchus sanguineus (W.P.E.S. Rüppell & F.S. Leuckart, 1830) - (DORIDIDAE)
- sanguinea, Haliotis spadicea sanguinea S.C.T. Hanley, 1840 - (HALIOTIDAE)
- sanguinea, Oxyrhombus sanguinea (L. Pfeiffer, 1849) - (HELICINIDAE)
- sanguinea, Kellia sanguinea F.W. Hutton, 1883 - syn of: Neolepton antipodum (H. Filhol, 1880) - (KELLIIDAE)
- sanguinea, Madrella sanguinea (G.F. Angas, 1864) - (MADRELLIDAE)
- sanguinea, Neritina sanguinea G.B. I Sowerby, 1849 - (NERITIDAE)
- sanguinea, Ostrea sanguinea C. Linnaeus, 1758 - syn of: Mimachlamys sanguinea (C. Linnaeus, 1758) - (OSTREIDAE)
- sanguinea, Mimachlamys sanguinea (C. Linnaeus, 1758) - (PECTINIDAE)
- sanguinea, Phasianella sanguinea L.A. Reeve, 1862 - syn of: Phasianella ventricosa W.J. Swainson, 1822 - (PHASIANELLIDAE)
- sanguinea, Rissoella sanguinea G.M. Caballer, J.A. Ortea & C. Redfern, 2014 - (RISSOELLIDAE)
- sanguinea, Pseudopusula sanguinea (G.B. II Sowerby, 1832) - (TRIVIIDAE)
- sanguinea, Niveria sanguinea (G.B. II Sowerby, 1832) - syn of: Pseudopusula sanguinea (G.B. II Sowerby, 1832) - (TRIVIIDAE)
- sanguinea, Ethalia sanguinea (H.A. Pilsbry, 1905) - (TROCHIDAE)
- sanguinea, Stomatolina sanguinea (A. Adams, 1850) - (TROCHIDAE)
- sanguinea, Gibbula sanguinea A. Risso, 1826 - syn of: Gibbula ardens (C.U.A. von Salis-Marschlins, 1793) - (TROCHIDAE)
- sanguinea, Umbonium sanguinea H.A. Pilsbry, 1905 - syn of: Ethalia sanguinea (H.A. Pilsbry, 1905) - (TROCHIDAE)
- sanguinea, Turritella sanguinea L.A. Reeve, 1849 - (TURRITELLIDAE)
- sanguinea, Urocoptis sanguinea L. Pfeiffer, 1845 - (UROCOPTIDAE)
- sanguinea, Voluta sanguinea A.H. Verrill, 1950 - syn of: Voluta musica C. Linnaeus, 1758 - (VOLUTIDAE)
- sanguinea leucoderma, Laminella sanguinea leucoderma H.A. Pilsbry & C.M. Cooke, 1915 - (AMASTRIDAE)
- sanguinea meridionalis, Spirocoptis sanguinea meridionalis H.A. Pilsbry, 1902 - syn of: Urocoptis sanguinea L. Pfeiffer, 1845 - (UROCOPTIDAE)
- sanguinea perplexa, Eucalodium sanguinea perplexa H. Vendryes, 1901 - syn of: Urocoptis sanguinea L. Pfeiffer, 1845 - (UROCOPTIDAE)
- sanguinea porphyrea, Mimachlamys sanguinea porphyrea (C. Linnaeus, 1758) - (PECTINIDAE)
- sanguinea salisburyi, Turritella sanguinea salisburyi J.R. le B. Tomlin, 1925 - (TURRITELLIDAE)
- sanguinealba, Exotica sanguinealba (M. Huber, A. Langleit & K. Kreipl, 2015 †) - (TELLINIDAE) (FOSSIL)
- sanguinealba, Tellina sanguinealba M. Huber, A. Langleit & K. Kreipl, 2015 † - syn of: Exotica sanguinealba (M. Huber, A. Langleit & K. Kreipl, 2015 †) - (TELLINIDAE) (FOSSIL)
- sanguineomaculata, Meiocardia sanguineomaculata (R.W. Dunker, 1882) - (GLOSSIDAE)
- sanguineum, Neolepton sanguineum F.W. Hutton, 1883 - syn of: Neolepton antipodum (H. Filhol, 1880) - (NEOLEPTONIDAE)
- sanguineus, Callochiton sanguineus G.P. Deshayes, 1863 - syn of: Callochiton deshayesi K.H.J. Thiele, 1909 - (CALLOCHITONIDAE)
- sanguineus, Rhachis sanguineus unknown - (CERASTUIDAE)
- sanguineus, Homalopoma sanguineus (C. Linnaeus, 1758) - (COLLONIIDAE)
- sanguineus, Collonista sanguineus L. de Folin, 1868 - syn of: Collonista purpurata (G.P. Deshayes, 1863) - (COLLONIIDAE)
- sanguineus, Conus sanguineus L.C. Kiener, 1845 - syn of: Tenorioconus cedonulli (C. Linnaeus, 1767) - (CONIDAE)
- sanguineus, Pustulatirus sanguineus (W. Wood, 1828) - (FASCIOLARIIDAE)
- sanguineus, Hexabranchus sanguineus (W.P.E.S. Rüppell & F.S. Leuckart, 1830) - (HEXABRANCHIDAE)
- sanguineus, Murex sanguineus W. Wood, 1828 - syn of: Pustulatirus sanguineus (W. Wood, 1828) - (MURICIDAE)
- sanguineus, Janus sanguineus G.F. Angas, 1864 - syn of: Madrella sanguinea (G.F. Angas, 1864) - (PROCTONOTIDAE)
- sanguineus, Cantharidus sanguineus (J.E. Gray, 1843) - (TROCHIDAE)
- sanguineus, Micrelenchus sanguineus J.E. Gray, 1843 - syn of: Cantharidus sanguineus (J.E. Gray, 1843) - (TROCHIDAE)
- sanguineus, Phorcus sanguineus J.E. Gray, 1843 - syn of: Cantharidus sanguineus (J.E. Gray, 1843) - (TROCHIDAE)
- sanguineus, Turbo sanguineus C. Linnaeus, 1758 - syn of: Homalopoma sanguineus (C. Linnaeus, 1758) - (TURBINIDAE)
- sanguineus bakeri, Cantharidus sanguineus bakeri C.A. Fleming, 1948 - syn of: Cantharidus artizona (A. Adams, 1853) - (TROCHIDAE)
- sanguineus caelatus, Cantharidus sanguineus caelatus F.W. Hutton, 1884 - syn of: Cantharidus caelatus (F.W. Hutton, 1884) - (TROCHIDAE)
- sanguineus cryptus, Cantharidus sanguineus cryptus A.W.B. Powell, 1946 - (TROCHIDAE)
- sanguineus dilatatus, Cantharidus sanguineus dilatatus (G.B. III Sowerby, 1870) - syn of: Cantharidus dilatatus (G.B. III Sowerby, 1870) - (TROCHIDAE)
- sanguineus elongata, Cantharidus sanguineus elongata H.H. Suter, 1897 - syn of: Cantharidus artizona (A. Adams, 1853) - (TROCHIDAE)
- sanguineus fusca, Turbo sanguineus fusca P. Dautzenberg, 1883 - syn of: Homalopoma sanguineus (C. Linnaeus, 1758) - (TURBINIDAE)
- sanguineus morioria, Micrelenchus sanguineus morioria A.W.B. Powell, 1933 - syn of: Cantharidus mortenseni (N.H. Odhner, 1924) - (TROCHIDAE)
- sanguinichristi, Pisidium sanguinichristi D.W. Taylor, 1987 - (SPHAERIIDAE)
- Sanguinolaria, Genus Sanguinolaria J.B.P.A. Lamarck, 1799 (PSAMMOBIIDAE)
- sanguinolenta, Eatonina sanguinolenta W.F. Ponder & E.K. Yoo, 1980 - (CINGULOPSIDAE)
- sanguinolenta, Zonaria sanguinolenta (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- sanguinolenta, Mitra sanguinolenta J.B.P.A. Lamarck, 1811 - (MITRIDAE)
- sanguinolenta, Mitra sanguinolenta H.C. Küster, 1839 - syn of: Mitra nubila hawaiiensis E.A. Kay, 1979 - (MITRIDAE)
- sanguinolenta, Purpura sanguinolenta P.L. Duclos, 1833 - syn of: Gemophos sanguinolentus (P.L. Duclos, 1833) - (MURICIDAE)
- sanguinolenta, Natica sanguinolenta Š. Brusina, 1865 - syn of: Naticarius hebraeus (T. Martyn, 1786) - (NATICIDAE)
- sanguinolenta, Natica sanguinolenta G.P. Deshayes, 1839 - syn of: Conuber melastoma (W.J. Swainson, 1821) - (NATICIDAE)
- sanguinolenta, Theliostyla sanguinolenta (K.T. Menke, 1829) - (NERITIDAE)
- sanguinolenta, Oliva sanguinolenta J.B.P.A. Lamarck, 1810 - syn of: Oliva reticulata (P.F. Röding, 1798) - (OLIVIDAE)
- sanguinolenta, Ostrea sanguinolenta J.F. Gmelin, 1791 - syn of: Gloripallium maculosum (P. Forsskål in C. Niebuhr, 1775) - (OSTREIDAE)
- sanguinolenta, Patella sanguinolenta J.F. Gmelin, 1791 - syn of: Cymbula miniata (I. von Born, 1778) - (PATELLIDAE)
- sanguinolenta, Chlamys sanguinolenta (J.F. Gmelin, 1791 †) - (PECTINIDAE) (FOSSIL)
- sanguinolenta, Pinna sanguinolenta (L.A. Reeve, 1858) - (PINNIDAE)
- sanguinolenta, Subitopinna sanguinolenta L.A. Reeve, 1858 - syn of: Pinna sanguinolenta (L.A. Reeve, 1858) - (PINNIDAE)
- sanguinolenta, Psammotreta sanguinolenta (G.P. Deshayes, 1855) - (TELLINIDAE)
- sanguinolenta, Venus sanguinolenta J.F. Gmelin, 1791 - syn of: Polititapes rhomboides (T. Pennant, 1777) - (VENERIDAE)
- sanguinolenta marmorata, Theliostyla sanguinolenta marmorata L.A. Reeve, 1855 - (NERITIDAE)
- sanguinolenta semidenticulata, Cypraea sanguinolenta semidenticulata F. Sacco, 1894 † - syn of: Schilderia semidenticulata (F. Sacco, 1894 †) - (CYPRAEIDAE) (FOSSIL)
- sanguinolentum, Gloripallium sanguinolentum J.F. Gmelin, 1791 - syn of: Gloripallium maculosum (P. Forsskål in C. Niebuhr, 1775) - (PECTINIDAE)
- sanguinolentus, Gemophos sanguinolentus (P.L. Duclos, 1833) - (BUCCINIDAE)
- sanguinolentus, Lividoconus sanguinolentus (J.R.C. Quoy & J.P. Gaimard, 1834) - (CONIDAE)
- sanguinolentus, Conus sanguinolentus L.A. Reeve, 1849 - syn of: Dauciconus daucus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- sanguinolentus, Sanguinolaria sanguinolentus (J.F. Gmelin, 1791) - (PSAMMOBIIDAE)
- sanguinolentus, Solen sanguinolentus J.F. Gmelin, 1791 - syn of: Sanguinolaria sanguinolentus (J.F. Gmelin, 1791) - (SOLENIDAE)
- sanguinolentus, syn of: Genus Trochus C. Linnaeus, 1758 (TROCHIDAE)
- Sanguinolites, Genus Sanguinolites McCoy, 1844 † (SANGUINOLITIDAE) (FOSSIL)
- SANGUINOLITIDAE S.A. Miller, 1877 † - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-ANOMALODESMATA [Order]-GRAMMYSIOIDEA [Superfamily]) (FOSSIL)
- sanguis, Linopyrga sanguis C.R. Laws, 1941 † - (PYRAMIDELLIDAE) (FOSSIL)
- sanguisuga, Mitra sanguisuga C. Linnaeus, 1758 - syn of: Vexillum sanguisugum (C. Linnaeus, 1758) - (MITRIDAE)
- sanguisuga, Septaria sanguisuga (L.A. Reeve, 1856) - (NERITIDAE)
- sanguisuga, Kuphus sanguisuga (L.A. Reeve, 1856) - (TEREDINIDAE)
- sanguisuga, Voluta sanguisuga C. Linnaeus, 1758 - syn of: Vexillum sanguisugum (C. Linnaeus, 1758) - (VOLUTIDAE)
- sanguisugum, Vexillum sanguisugum (C. Linnaeus, 1758) - (COSTELLARIIDAE)
- sanguisugum castaneostictum, Vexillum sanguisugum castaneostictum P. Dautzenberg & H. Fischer, 1906 - (COSTELLARIIDAE)
- sanguisugum condoriana, Vexillum sanguisugum condoriana P. Dautzenberg & H. Fischer, 1906 - (COSTELLARIIDAE)
- sanguisugum granosum, Vexillum sanguisugum granosum J.F. Gmelin, 1791 - syn of: Vexillum granosum (J.F. Gmelin, 1791) - (COSTELLARIIDAE)
- sanguisugum stigmataria, Vexillum sanguisugum stigmataria (J.B.P.A. Lamarck, 1811) - (COSTELLARIIDAE)
- sanguisugum transpositum, Vexillum sanguisugum transpositum (P. Dautzenberg & J.L. Bouge, 1923) - (COSTELLARIIDAE)
- sangvorense, Prothalassoceras sangvorense Leonova, 1992 † - (THALASSOCERATIDAE) (FOSSIL)
- Sangzhites, Genus Sangzhites Zhao & Zheng, 1977 † (PSEUDOHALORITIDAE) (FOSSIL)
- Sanhaliotis, syn of: Genus Haliotis C. Linnaeus, 1758 (HALIOTIDAE)
- sanharica, Modiolus sanharica C.J. Maury, 1936 † - (MYTILIDAE) (FOSSIL)
- sanibelense, Cyclostrema sanibelense H.A. Pilsbry, 1939 - syn of: Parviturboides interruptus (C.B. Adams, 1850) - (LIOTIIDAE)
- sanibelensis, Cerodrillia sanibelensis P.J. Fallon, 2016 - (DRILLIIDAE)
- sanibelensis, Zonulispira sanibelensis P. Bartsch & H.A. Rehder, 1939 - syn of: Zonulispira crocata (L.A. Reeve, 1845) - (PSEUDOMELATOMIDAE)
- sanibelensis, Oxyloma sanibelensis H.A. Rehder, 1933 - (SUCCINEIDAE)
- sanicoensis, Discohelix sanicoensis Ferrari, 2014 † - (DISCOHELICIDAE) (FOSSIL)
- saninensis, Monacha saninensis (P.M. Pallary, 1939) - (HYGROMIIDAE)
- sanjaimense, Calliostoma sanjaimense J.H. McLean, 1970 - (CALLIOSTOMATIDAE)
- sanjoseensis, Pomacea cumingii sanjoseensis J.P.E. Morrison, 1946 - (AMPULLARIIDAE)
- sanjuanense, Epitonium sanjuanense H.N. Lowe, 1932 - syn of: Opalia sanjuanensis (H.N. Lowe, 1932) - (EPITONIIDAE)
- sanjuanense, Braulioceras sanjuanense Kröger & al., 2007 † - (SACTORTHOCERATIDAE) (FOSSIL)
- sanjuanense, Strioterebrum sanjuanense (H.A. Pilsbry & H.N. Lowe, 1932) - (TEREBRIDAE)
- sanjuanensis, Barleeia sanjuanensis P. Bartsch, 1920 - (BARLEEIIDAE)
- sanjuanensis, Bittium sanjuanensis P. Bartsch, 1917 - (CERITHIIDAE)
- sanjuanensis, Opalia sanjuanensis (H.N. Lowe, 1932) - (EPITONIIDAE)
- sanjuanensis, Eubranchus sanjuanensis R.A. Roller, 1972 - (EUBRANCHIDAE)
- sanjuanensis, Hypomenia sanjuanensis K.M. Kocot & C. Todt, 2014 - (PRUVOTINIDAE)
- sanjuanensis, Odostomia sanjuanensis P. Bartsch, 1920 - (PYRAMIDELLIDAE)
- sanjuanensis, Alvania sanjuanensis P. Bartsch, 1920 - syn of: Onoba carpenteri (H.C. Weinkauff, 1885) - (RISSOIDAE)
- sanjuanensis, Solariella sanjuanensis G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (SOLARIELLIDAE)
- sanjuani, Turbonilla sanjuani A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- sanjuanicus, Gryphaeostrea sanjuanicus Morales-Ortega & al., 2016 † - (GRYPHAEIDAE) (FOSSIL)
- sanjuanina, Chilina sanjuanina D.E. Gutiérrez Gregoric, Ciocco & A. Rumi, 2014 - (CHILINIDAE)
- sankapurus, Amphidromus perversus sankapurus H. Fruhstorfer, 1905 - (CAMAENIDAE)
- sankeyi, Paludina sankeyi Hislop, 1859 † - (VIVIPARIDAE) (FOSSIL)
- sankurieae, Melanella sankurieae W. Engl, 2004 - (EULIMIDAE)
- sanlazarensis, Olcostephanus sanlazarensis (Imlay, 1937 †) - (OLCOSTEPHANIDAE) (FOSSIL)
- sanlazarensis, Rogersites sanlazarensis Imlay, 1937 † - syn of: Olcostephanus sanlazarensis (Imlay, 1937 †) - (OLCOSTEPHANIDAE) (FOSSIL)
- sanmarcoensis, Rabdotus sanmarcoensis H.A. Pilsbry & H.N. Lowe, 1932 - (BULIMULIDAE)
- sanmarcos, Cyclonenia sanmarcos J. Grego & M. Szekeres, 2004 - (CLAUSILIIDAE)
- sanmarcosensis, Bulimulus sanmarcosensis H.A. Pilsbry & H.N. Lowe, 1932 - syn of: Naesiotus dentifer lamellifer H.A. Pilsbry, 1897 - (BULIMULIDAE)
- sanmartinensis, Nerinea sanmartinensis Stanton, 1947 † - (NERINEIDAE) (FOSSIL)
- sanmartini, Pleuromeris sanmartini M.A. Klappenbach, 1970 - (CARDITIDAE)
- sanmartini, Tilicrassatella sanmartini DeVries, 2016 † - (CRASSATELLIDAE) (FOSSIL)
- sanmartini, Schwartziella sanmartini E. Rolán & L. Luque, 2000 - (ZEBINIDAE)
- Sanmartinoceras, Genus Sanmartinoceras Hudleston, 1890 † (OPPELIIDAE) (FOSSIL)
- sanmatiensis, Leptochiton sanmatiensis Güller, Liuzzi & D.G. Zelaya, 2015 - (LEPTOCHITONIDAE)
- sanmatiensis, Turbonilla sanmatiensis Z.J.A. De Castellanos, 1982 - (PYRAMIDELLIDAE)
- sanmiguelensis, Bulimulus sanmiguelensis H.G. Richards, 1937 - syn of: Bulimulus unicolor (G.B. I Sowerby, 1833) - (BULIMULIDAE)
- sanmigueli, Melanopsis sanmigueli Royo Gómez, 1929 † - (MELANOPSIDAE) (FOSSIL)
- sanna, Lutraria sanna B. de Basterot, 1825 † - (MACTRIDAE) (FOSSIL)
- sannerae, Aulochiton sannerae Pojeta & al., 2010 † - (AULOCHITONIDAE) (FOSSIL)
- sannio, Nanina sannio G.W. Tryon, 1886 - syn of: Dyakia janus (H.H. Beck, 1837) - (ARIOPHANTIDAE)
- sannio, Chromodoris sannio L.S.R. Bergh, 1890 - syn of: Mexichromis mariei (J.C.H. Crosse, 1872) - (CHROMODORIDIDAE)
- sannio, Dendrodoris sannio L.S.R. Bergh, 1890 - syn of: Dendrodoris nigra (W. Stimpson, 1855) - (DENDRODORIDIDAE)
- sannio, Dyakia sannio F.F. Laidlaw, 1931 - syn of: Dyakia janus (H.H. Beck, 1837) - (DYAKIIDAE)
- sannio, Scintilla sannio C.F. Lützen & C. Nielsen, 2005 - (GALEOMMATIDAE)
- sannonis, Agerostrea sannonis (White) † - (OSTREIDAE) (FOSSIL)
- Sanoarca, Genus Sanoarca Stephenson, 1952 † (NOETIIDAE) (FOSSIL)
- sanoi, Marmarostoma sanoi M. Tomida & Kadota, 2010 † - (TURBINIDAE) (FOSSIL)
- Sanostrea, syn of: Genus Saccostrea G.F. Dollfus & P. Dautzenberg, 1920 (OSTREIDAE)
- sanpaulensis, Doryteuthis sanpaulensis (T.F. Brakoniecki, 1984) - (LOLIGINIDAE)
- sanqiaoensis, Pteria sanqiaoensis C. Chen, 1976 † - (PTERIIDAE) (FOSSIL)
- sanrafaelensis, Radiodiscus sanrafaelensis Turazzini & F.A.W. Miquel, 2014 † - (HELICODISCIDAE) (FOSSIL)
- sanrikuense, Punctulum sanrikuense K. Hasegawa, 2014 - (RISSOIDAE)
- sansabaense, Endoceras sansabaense Ulrich & al., 1944 † - (ENDOCERATIDAE) (FOSSIL)
- Sansania, syn of: Genus Milax J.E. Gray, 1855 (MILACIDAE)
- sansaniensis, Planorbarius sansaniensis (Noulet, 1854 †) - (PLANORBIDAE) (FOSSIL)
- sansebastiana, Scapharca sansebastiana L.G. Sheldon & C.J. Maury, 1920 † - (ARCIDAE) (FOSSIL)
- sansebastiana, Ostrea sansebastiana C.J. Maury, 1920 † - (OSTREIDAE) (FOSSIL)
- sansebastianus, Pecten sansebastianus C.J. Maury, 1920 † - (PECTINIDAE) (FOSSIL)
- sansebastianus laresianus, Pecten sansebastianus laresianus C.J. Maury, 1920 - (PECTINIDAE)
- sansibarensis, Ischnochiton sansibarensis K.H.J. Thiele, 1909 - (ISCHNOCHITONIDAE)
- sansibarensis, Ennucula sansibarensis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (NUCULIDAE)
- sansibarica, Microdrillia sansibarica (K.H.J. Thiele, 1925) - (BORSONIIDAE)
- sansibarica, Austromitra sansibarica (K.H.J. Thiele, 1925) - (COSTELLARIIDAE)
- sansibarica, Melanella sansibarica (K.H.J. Thiele, 1925) - (EULIMIDAE)
- sansibarica, Eulima sansibarica K.H.J. Thiele, 1925 - syn of: Melanella sansibarica (K.H.J. Thiele, 1925) - (EULIMIDAE)
- sansibarica, Limopsis sansibarica K.H.J. Thiele & S.G.A. Jaeckel, 1931 - (LIMOPSIDAE)
- sansibarica, Katadesmia sansibarica (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (MALLETIIDAE)
- sansibarica, Malletia sansibarica K.H.J. Thiele & S.G.A. Jaeckel, 1931 - syn of: Katadesmia sansibarica (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (MALLETIIDAE)
- sansibarica, Bela sansibarica K.H.J. Thiele, 1925 - syn of: Microdrillia sansibarica (K.H.J. Thiele, 1925) - (MANGELIIDAE)
- sansibarica, Mathilda sansibarica K.H.J. Thiele, 1925 - (MATHILDIDAE)
- sansibarica, Pagodula sansibarica (K.H.J. Thiele, 1925) - (MURICIDAE)
- sansibarica, Poromya sansibarica K.H.J. Thiele & S.G.A. Jaeckel, 1931 - (POROMYIDAE)
- sansibarica, Leucosyrinx sansibarica K.H.J. Thiele, 1925 - (PSEUDOMELATOMIDAE)
- sansibarica, Turbonilla sansibarica K.H.J. Thiele, 1925 - (PYRAMIDELLIDAE)
- sansibarica, Pleurotomella sansibarica K.H.J. Thiele, 1925 - (RAPHITOMIDAE)
- sansibarica, Diplodonta sansibarica S.G.A. Jaeckel & K.H.J. Thiele, 1931 - (UNGULINIDAE)
- sansibaricus, Afritrophon sansibaricus K.H.J. Thiele, 1925 - syn of: Pagodula sansibarica (K.H.J. Thiele, 1925) - (MURICIDAE)
- sansibaricus, Trophon sansibaricus K.H.J. Thiele, 1925 - syn of: Pagodula sansibarica (K.H.J. Thiele, 1925) - (MURICIDAE)
- sansibaricus, Vermetus sansibaricus K.H.J. Thiele, 1925 - (VERMETIDAE)
- Sansonia, Genus Sansonia F.P. Jousseaume, 1892 (PICKWORTHIIDAE)
- sansonia, Sansonia sansonia F.P. Jousseaume, 1921 - syn of: Sansonia andamanica (H.B. Preston, 1908) - (PICKWORTHIIDAE)
- Sansoniella, Genus Sansoniella R.G. Moolenbeek, 2008 (PICKWORTHIIDAE)
- sansovinii, Sturia sansovinii (Mojsisovics, 1869 †) - (STURIIDAE) (FOSSIL)
- santa, Gerdiella santa A.A. Olsson & F.M. Bayer, 1973 - (CANCELLARIIDAE)
- santa, Columbella santa P.P. Carpenter, 1856 - syn of: Mitrella santabarbarensis (P.P. Carpenter, 1856) - (COLUMBELLIDAE)
- santaanaense, Romaniceras santaanaense Jones, 1938 † - syn of: Romaniceras mexicanum Jones, 1938 † - (ACANTHOCERATIDAE) (FOSSIL)
- santaanai, Litorhadia santaanai Gardner, 1945 † - (NUCULANIDAE) (FOSSIL)
- santabarbarensis, Mitrella santabarbarensis (P.P. Carpenter, 1856) - (COLUMBELLIDAE)
- santacarolinensis, Primovula santacarolinensis C.N. Cate, 1978 - (OVULIDAE)
- Santacharis, Subgenus Placostylus (Santacharis) T. Iredale, 1927 (BOTHRIEMBRYONTIDAE)
- santaclarensis, Pyrgulopsis santaclarensis Hershler, Liu, Forsythe, Hovingh & Wheeler, 2017 - (HYDROBIIDAE)
- santacrucense, Hatchericeras santacrucense H.A. Leanza, 1970 † - syn of: Hatchericeras patagonense Stanton, 1901 † - (NEOCOMITIDAE) (FOSSIL)
- santacrucensis, Trophon santacrucensis H.F.A. von Ihering, 1897 † - (MURICIDAE) (FOSSIL)
- santacrucensis, Polinices santacrucensis H.F.A. von Ihering, 1907 † - (NATICIDAE) (FOSSIL)
- santacrucensis, Bursata santacrucensis Dzik, 1994 † - (SOLENOCARIDIDAE) (FOSSIL)
- santacrucensis, Miomelon santacrucensis Chiesa & al., 1995 † - (VOLUTIDAE) (FOSSIL)
- santacruzanum, Calliostoma santacruzanum J.H. McLean, 1970 - (CALLIOSTOMATIDAE)
- santacruzence, Olivella santacruzence Z.J.A. De Castellanos & C. Fernández, 1965 - (OLIVELLIDAE)
- santacruzense, Olivella santacruzense Z.J.A. De Castellanos, 1965 - syn of: Olivella santacruzence Z.J.A. De Castellanos & C. Fernández, 1965 - (OLIVELLIDAE)
- santacruzensis, Struthiochenopus santacruzensis (H.F.A. von Ihering, 1907 †) - (APORRHAIDAE) (FOSSIL)
- santacruzensis, Rabdotus santacruzensis G.D. Hanna, 1932 - syn of: Naesiotus dentifer santacruzensis (G.D. Hanna, 1932) - (BULIMULIDAE)
- santacruzensis, Naesiotus dentifer santacruzensis (G.D. Hanna, 1932) - (BULIMULIDAE)
- santacruzensis, Drillia santacruzensis A.E. Ortmann, 1902 † - (DRILLIIDAE) (FOSSIL)
- santacruzensis, Babelomurex santacruzensis (W.K. Emerson & D'Attilio, 1970) - (MURICIDAE)
- santacruzensis, Pecten santacruzensis R. Arnold, 1906 † - (PECTINIDAE) (FOSSIL)
- santacruzensis, Planorbis santacruzensis J. Germain, 1932 - syn of: Drepanotrema aeruginosum (P.M.A. Morelet, 1851) - (PLANORBIDAE)
- santacruzensis, Parachondria santacruzensis (L. Pfeiffer, 1855) - (POMATIIDAE)
- santacruzensis, Tetrentodon santacruzensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- santacruzensis, Johaniceramus longus santacruzensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- santaerosae, Solenosteira santaerosae Anderson, 1929 † - (BUCCINIDAE) (FOSSIL)
- santafeum, Chondropoma delatreanum santafeum C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- santaguitensis, Poteria santaguitensis H.B. Baker, 1923 - (NEOCYCLOTIDAE)
- santaisabelensis, Pyrgulina santaisabelensis Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- santalensis, Specula santalensis Cecalupo & Perugia, 2017 - (NEWTONIELLIDAE)
- santaluciense, Chondropoma ernesti santaluciense C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- santaluziensis, Africonus santaluziensis T. Cossignani & R. Fiadeiro, 2015 - (CONIDAE)
- santamaria, Africonus cuneolus santamaria (L.A. Reeve, 1844) - (CONIDAE)
- santamaria, Glossus santamaria Ward, 1992 † - (GLOSSIDAE) (FOSSIL)
- santamaria, Chlamys santamaria W.C. Mansfield, 1936 † - (PECTINIDAE) (FOSSIL)
- santamaria, Chesapecten santamaria (Tucker, 1934 †) - (PECTINIDAE) (FOSSIL)
- santamaria middlesexensis, Chlamys santamaria middlesexensis W.C. Mansfield, 1936 † - syn of: Chesapecten middlesexensis (W.C. Mansfield, 1936 †) - (PECTINIDAE) (FOSSIL)
- santamariae, Diplodon santamariae C.T. Simpson, 1914 - syn of: Rhipidodonta charruana (A.V.M.D. D'Orbigny, 1835) - (HYRIIDAE)
- santamariae, Clanculus santamariae S. Gofas, 1984 - (TROCHIDAE)
- santamariana, Turbonilla santamariana P. Bartsch, 1917 - (PYRAMIDELLIDAE)
- santamariense, Bittium santamariense P. Bartsch, 1917 - (CERITHIIDAE)
- santamariensis, Odostomia santamariensis P. Bartsch, 1917 - (PYRAMIDELLIDAE)
- santamarioana, Turbonilla santamarioana P. Bartsch, 1917 - syn of: Turbonilla santamariana P. Bartsch, 1917 - (PYRAMIDELLIDAE)
- santamartense, Gaudryceras santamartense S. Raffi & Olivero, 2016 † - (GAUDRYCERATIDAE) (FOSSIL)
- santana, Pictavia santana R.L. Squires & Saul, 2004 † - (AMPULLINIDAE) (FOSSIL)
- santana, Anadara santana Loel & Corey, 1932 † - (ARCIDAE) (FOSSIL)
- santana, Olivella santana Loel & Corey, 1932 † - (OLIVELLIDAE) (FOSSIL)
- santana, Terebra santana Loel & Corey, 1932 † - (TEREBRIDAE) (FOSSIL)
- santana, Dosinia santana Loel & Corey, 1932 † - (VENERIDAE) (FOSSIL)
- santana, Volutoderma santana A. Packard, 1922 † - (VOLUTODERMATIDAE) (FOSSIL)
- santanaensis, Africonus santanaensis C.M.L. Afonso & M.J. Tenorio, 2014 - (CONIDAE)
- santanaensis, Thysanophora santanaensis (L. Pfeiffer, 1854) - (THYSANOPHORIDAE)
- santander, Leptoconus santander Gardner, 1945 † - syn of: Conus sauridens T.A. Conrad, 1833 † - (CONIDAE) (FOSSIL)
- santander, Pseudoliva santander Gardner, 1945 † - (PSEUDOLIVIDAE) (FOSSIL)
- santanensis, Pseudomesalia santanensis Pereira, Cassab & Barreto, 2016 † - (TURRITELLIDAE) (FOSSIL)
- santangeli, Ficus santangeli C. Maravigna, 1840 - syn of: Coralliophila brevis (H.M.D. de Blainville, 1832) - (FICIDAE)
- santangelii, Mitra santangelii C. Maravigna, 1840 - syn of: Mitra zonata F. Marryat, 1818 - (MITRIDAE)
- santaritana, Sonorella santaritana H.A. Pilsbry & J.H. Ferriss, 1915 - (HELMINTHOGLYPTIDAE)
- santarosae, Erycina santarosae W.H. Dall, 1916 - syn of: Kellia suborbicularis (G. Montagu, 1803) - (LASAEIDAE)
- santarosaensis, Microgaza santarosaensis Perrilliat, 1972 † - (SOLARIELLIDAE) (FOSSIL)
- santarosana, Anadara santarosana W.H. Dall, 1898 † - (ARCIDAE) (FOSSIL)
- santarosana, Pegophysema santarosana (W.H. Dall, 1903 †) - (LUCINIDAE) (FOSSIL)
- santarosana, Maxwellia santarosana (W.H. Dall, 1905) - (MURICIDAE)
- santarosana, Antiplanes santarosana (W.H. Dall, 1902) - (PSEUDOMELATOMIDAE)
- santarosana, Turbonilla santarosana W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- santarosana, Trilamellaxis parallela santarosana C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- santarosanum, Thurmanniceras santarosanum F. Haas, 1960 † - (NEOCOMITIDAE) (FOSSIL)
- santarosanus, Pecten santarosanus Bose, 1905 † - (PECTINIDAE) (FOSSIL)
- santeensis, Unio santeensis I. Lea, 1871 - syn of: Unio abbevillensis I. Lea, 1857 - (UNIONIDAE)
- santelenae, Echinolittorina santelenae (D.G. Reid, 2002) - (LITTORINIDAE)
- santesoni, Strophiops santesoni C.J. Maynard, 1920 - (CERIONIDAE)
- Santia, Genus Santia † (SACOGLOSSA (UNASSIGNED)) (FOSSIL)
- santiagana, Ampullina santiagana F. Hodson, 1927 † - syn of: Ampullinopsis spenceri Cooke, 1919 † - (AMPULLINIDAE) (FOSSIL)
- santiagensis, Littoridina santiagensis W.A. Biese, 1944 - (COCHLIOPIDAE)
- santiagocubense, Volvarina santiagocubense J. Espinosa, J.A. Ortea & Y.L. Diez, 2015 - (MARGINELLIDAE)
- santiagoi, Chilina santiagoi D.E. Gutiérrez Gregoric & de Lucía, 2016 - (CHILINIDAE)
- santiaguensis, Littoridina santiaguensis W.A. Biese, 1944 - (COCHLIOPIDAE)
- santiaguera, Volvarina santiaguera J. Espinosa, J.A. Ortea & Y.L. Diez, 2013 - (MARGINELLIDAE)
- santiaoensis, Thaumatoptyx santiaoensis C.K. Chang, 1982 - (CLAUSILIIDAE)
- santidominici, Jaspidella santidominici (C.J. Maury, 1917 †) - (OLIVIDAE) (FOSSIL)
- santinii, Phasmoconus santinii (E. Monnier & L. Limpalaër, 2014) - (CONIDAE)
- santinii, Fulgiconus santinii E. Monnier & L. Limpalaër, 2014 - syn of: Phasmoconus santinii (E. Monnier & L. Limpalaër, 2014) - (CONIDAE)
- santinii, Epitonium santinii L. Bozzetti, 2007 - (EPITONIIDAE)
- santoa, Pseudodaphnella santoa A.E. Fedosov & N. Puillandre, 2012 - (RAPHITOMIDAE)
- santodomingensis, Odostomia santodomingensis H.A. Pilsbry & C.W. Johnson, 1917 - (PYRAMIDELLIDAE)
- santodomingensis, Chione santodomingensis H.A. Pilsbry & C.W. Johnson, 1917 - syn of: Chione cancellata (C. Linnaeus, 1767) - (VENERIDAE)
- santoensis, Metula santoensis H.S. Ladd, 1976 † - (BUCCINIDAE) (FOSSIL)
- santoensis, Horologica santoensis A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- santoensis, Demissa santoensis F. Boyer, 2016 - (MARGINELLIDAE)
- santoensis, Plicolyria planicostata santoensis (H.S. Ladd, 1975 †) - (VOLUTIDAE) (FOSSIL)
- Santondella, syn of: Genus Satondella K. Bandel, 1998 (SCISSURELLIDAE)
- santoriniensis, Zonites santoriniensis F. Riedel & A. Norris, 1987 - (ZONITIDAE)
- santosana, Turbonilla santosana (W.H. Dall & P. Bartsch, 1909) - (PYRAMIDELLIDAE)
- santosana, Onoba santosana W.H. Dall & P. Bartsch, 1909 - syn of: Turbonilla santosana (W.H. Dall & P. Bartsch, 1909) - (RISSOIDAE)
- santosi, Milax santosi A. Torres Mínguez, 1928 - syn of: Milax gagates (J.P.R. Draparnaud, 1801) - (MILACIDAE)
- santosi, Mitromorpha santosi S.F.B. de Lima, J.C.N. Barros & J. de A. Francisco, 2010 - (MITROMORPHIDAE)
- Santotrochus, Subgenus Dendrotrochus (Santotrochus) G.A. Solem, 1959 (HELICARIONIDAE)
- santrici, Hydrobia santrici P.S. Pavlovic, 1935 † - (HYDROBIIDAE) (FOSSIL)
- santrici bythinelloides, Hydrobia santrici bythinelloides Miloševic, 1980 † - (HYDROBIIDAE) (FOSSIL)
- santrici oblonga, Hydrobia santrici oblonga Miloševic, 1980 † - (HYDROBIIDAE) (FOSSIL)
- sanum, Campylacrum sanum Finlay & J. Marwick, 1937 † - (CONOIDEA (UNASSIGNED)) (FOSSIL)
- sanus, Mesodon sanus W.J. Clench & S. Archer, 1933 - (POLYGYRIDAE)
- sanwicensis, Oliva sanwicensis W.H. Pease, 1860 - syn of: Omogymna sandwichensis (W.H. Pease, 1860) - (OLIVIDAE)
- sanxiaense, Retroclitendoceras sanxiaense F.S. Xu, 1981 † - (PROTEROCAMEROCERATIDAE) (FOSSIL)
- sanxiaensis, Latouchella sanxiaensis Yü, 1979 † - (COREOSPIRIDAE) (FOSSIL)
- Sanyangites, Genus Sanyangites Zhao & al., 1978 † (ARAXOCERATIDAE) (FOSSIL)
- sanyoensis, Pliciphaedusa hemileuca sanyoensis (J.T. Kuroda, 1936) - (CLAUSILIIDAE)
- sanzaiana, Nassaria sanzaiana T. Shuto, 1962 - (NASSARIIDAE)
- sanzi, Cerion sanzi Blanes in H.A. Pilsbry & E.G. Vanatta, 1898 - (CERIONIDAE)
- sanzi guajabaense, Cerion sanzi guajabaense M.I. Sánchez Roig, 1951 - syn of: Cerion guajabaense M.I. Sánchez Roig, 1951 - (CERIONIDAE)
- sanzi royi, Cerion sanzi royi C.G. Aguayo & M.L. Jaume, 1951 - syn of: Cerion royi C.G. Aguayo & M.L. Jaume, 1951 - (CERIONIDAE)
- sanzi sellare, Cerion sanzi sellare C.G. Aguayo & M.I. Sánchez Roig, 1953 - (CERIONIDAE)
- sanzi tejedori, Cerion sanzi tejedori M.I. Sánchez Roig, 1951 - (CERIONIDAE)
- sanzoi, Phylliroe sanzoi Sparta, 1925 - syn of: Phylliroe bucephala J.B.P.A. Lamarck, 1816 - (PHYLLIROIDAE)
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