- sphacelatus, Purpuriconus sphacelatus (G.B. I Sowerby, 1833) - (CONIDAE)
- sphaelobatum, Meitianoceras sphaelobatum Yang & Yang, 1992 † - (PARACELTITIDAE) (FOSSIL)
- Sphaena, syn of: Genus Sphenia W.H. Turton, 1822 (MYIDAE)
- Sphaenia, syn of: Genus Sphenia W.H. Turton, 1822 (MYIDAE)
- sphaera, Prosoptychus sphaera (Lindström, 1884 †) - (BELLEROPHONTIDAE) (FOSSIL)
- Sphaera, Genus Sphaera Sowerby, 1822 (LUCINIDAE) (FOSSIL)
- sphaera, Morrisiceras sphaera S.S. Buckman, 1893 † - (MACROCEPHALITIDAE) (FOSSIL)
- sphaera, Cryptonatica sphaera S.P. Zhang & P. Wei, 2010 - (NATICIDAE)
- sphaera, Neritina usnea sphaera H.A. Pilsbry, 1931 - (NERITIDAE)
- sphaera, Globovula sphaera C.N. Cate, 1973 - (OVULIDAE)
- sphaera, Plawenia sphaera A.H. Scheltema & C.F.C. Schander, 2000 - (SIMROTHIELLIDAE)
- sphaerae, Callistochiton sphaerae Vendrasco & al., 2012 † - (CALLISTOPLACIDAE) (FOSSIL)
- Sphaerassiminea, Subgenus Assiminea (Sphaerassiminea) T. Habe, 1942 (ASSIMINEIDAE)
- Sphaeratys, Genus Sphaeratys F. Nordsieck, 1972 (HAMINOEIDAE)
- Sphaerella, syn of: Genus Timothynus G.F. Harris, 1946 (UNGULINIDAE)
- Sphaeriastrum, syn of: Genus Sphaerium J.A. Scopoli, 1777 (SPHAERIIDAE)
- sphaerica, Achatinella sphaerica W.H. Pease - syn of: Amastra sphaerica W.H. Pease, 1870 - (ACHATINELLIDAE)
- sphaerica, Amastra sphaerica W.H. Pease, 1870 - (AMASTRIDAE)
- sphaerica, Cernina sphaerica (G.P. Deshayes, 1832 †) - (AMPULLINIDAE) (FOSSIL)
- sphaerica, Ampullina sphaerica G.P. Deshayes, 1829 † - (AMPULLINIDAE) (FOSSIL)
- sphaerica, Arca sphaerica W. Kobelt, 1888 - syn of: Anadara gibbosa (L.A. Reeve, 1844) - (ARCIDAE)
- sphaerica, Paraelona sphaerica (J.R. Bourguignat in É.A.A. Locard, 1894) - (BITHYNIIDAE)
- sphaerica, Calocochlia sphaerica G.B. I Sowerby, 1841 - syn of: Calocochlia sphaerion G.B. I Sowerby, 1841 - (BRADYBAENIDAE)
- sphaerica, Tomura sphaerica E. Rolán & F. Rubio, 2008 - (CORNIROSTRIDAE)
- sphaerica, Cypraeovula capensis sphaerica G. Raybaudi Massilia, 1996 - (CYPRAEIDAE)
- sphaerica, Umbilia capricornica sphaerica F.Jr. Lorenz, 1989 - (CYPRAEIDAE)
- sphaerica, Cypraeovula coronata sphaerica F.A. Schilder, 1930 - (CYPRAEIDAE)
- sphaerica, Cypraeovula fuscodentata sphaerica F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- sphaerica, Corbicula sphaerica P.M. Heude, 1887 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- sphaerica, Leptochitonicola sphaerica Avdeev & B.I. Sirenko, 2005 - syn of: Leptochiton rugatus (P.P. Carpenter in H.A. Pilsbry, 1892) - (LEPTOCHITONIDAE)
- sphaerica, Neritina sphaerica A.A. Olsson & A. Harbison, 1953 † - (NERITIDAE) (FOSSIL)
- sphaerica, Lacunopsis sphaerica A.R.J.B. Bavay, 1895 - (POMATIOPSIDAE)
- sphaerica, Noemiamea sphaerica (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- sphaerica, Biplica sphaerica T. Kase, 1990 † - (RINGICULIDAE) (FOSSIL)
- sphaericosa, Adontorhina sphaericosa P.H. Scott, 1986 - (THYASIRIDAE)
- sphaericostriatus, Goniatites sphaericostriatus Bisat, 1924 † - (GONIATITIDAE) (FOSSIL)
- sphaericula, Acteon sphaericula G.P. Deshayes 1864 - (ACTEONIDAE)
- sphaericula, Bonellitia sphaericula A.E.M. Cossmann, 1889 † - (CANCELLARIIDAE) (FOSSIL)
- sphaericula, Namnetia sphaericula (A.E.M. Cossmann, 1886 †) - (JULIIDAE) (FOSSIL)
- sphaericula, Tawera sphaericula (G.P. Deshayes, 1853) - (VENERIDAE)
- sphaericula, Pelecyora sphaericula (A. Römer, 1862) - (VENERIDAE)
- sphaericula, Chamelea sphaericula G.P. Deshayes, 1853 - syn of: Tawera sphaericula (G.P. Deshayes, 1853) - (VENERIDAE)
- sphaericula, Hysteroconcha sphaericula G.P. Deshayes, 1853 - syn of: Tawera sphaericula (G.P. Deshayes, 1853) - (VENERIDAE)
- sphaericula, Mekongia sphaericula (G.P. Deshayes, 1876) - (VIVIPARIDAE)
- sphaericulata, Trivia sphaericulata (J.B.P.A. Lamarck, 1810 †) - (TRIVIIDAE) (FOSSIL)
- sphaericum, Dimeroceras sphaericum I. von Born, 1912 † - syn of: Dimeroceras mamilliferum (C.L.F. von Sandberger, 1851 †) - (DIMEROCERATIDAE) (FOSSIL)
- sphaericum, Ephippioceras sphaericum Shimanskiy, 1967 † - (EPHIPPOCERATIDAE) (FOSSIL)
- sphaericum, Eutrephoceras sphaericum (E. Forbes, 1846 †) - (NAUTILIDAE) (FOSSIL)
- sphaericum, Pisidium sphaericum V. Sterki, 1912 - syn of: Pisidium adamsi W. Stimpson, 1851 - (SPHAERIIDAE)
- sphaericum, Iranoceras sphaericum Walliser, 1966 † - (SPORADOCERATIDAE) (FOSSIL)
- sphaericus, Goniatites sphaericus (Sowerby, 1814 †) - (GONIATITIDAE) (FOSSIL)
- sphaericus, Bacchites sphaericus Smith 1927 † - (JUVAVITIDAE) (FOSSIL)
- sphaericus, Nautilus sphaericus E. Forbes, 1846 † - (NAUTILIDAE) (FOSSIL)
- sphaericus, Isculites sphaericus Shevyrev, 1968 † - (PARAGOCERATIDAE) (FOSSIL)
- sphaericus, Amundiptychites sphaericus (A. von Koenen, 1902 †) - (POLYPTYCHITIDAE) (FOSSIL)
- sphaericus, Indonesites sphaericus Smith, 1927 † - (TROPITIDAE) (FOSSIL)
- sphaericus, Potomida sphaericus J.R. Bourguignat in É.A.A. Locard, 1893 - syn of: Potomida littoralis (G.L.C.F.D. Cuvier, 1798) - (UNIONIDAE)
- sphaeridae, Purpura sphaeridae P.L. Duclos, 1832 - syn of: Morula uva (P.F. Röding, 1798) - (MURICIDAE)
- sphaeridea, Purpura sphaeridea P.L. Duclos, 1832 - syn of: Morula uva (P.F. Röding, 1798) - (MURICIDAE)
- sphaeridia, Purpura sphaeridia P.L. Duclos, 1832 - syn of: Morula uva (P.F. Röding, 1798) - (MURICIDAE)
- Sphaeridium, syn of: Genus Herringtonium Clarke, 1973 (CORBULIDAE)
- sphaeridium, Pustularia globulus sphaeridium F.A. Schilder & M. Schilder, 1938 - (CYPRAEIDAE)
- sphaeridius, Lithoglyphus sphaeridius V.V. Anistratenko & Gozhik, 1995 † - (LITHOGLYPHIDAE) (FOSSIL)
- sphaeridius, Viviparus sphaeridius (J.R. Bourguignat, 1880) - (VIVIPARIDAE)
- sphaeriferus, Piseinotecus sphaeriferus (R.L. Schmekel, 1965) - (PISEINOTECIDAE)
- SPHAERIIDAE Deshayes, 1855 (1820) - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-IMPARIDENTIA [Superorder]-VENERIDA [Order]-SPHAERIOIDEA [Superfamily])
- Sphaerinova, syn of: Genus Sphaerium J.A. Scopoli, 1777 (SPHAERIIDAE)
- sphaerioconicus, Erycites sphaerioconicus Buckman † - (HAMMATOCERATIDAE) (FOSSIL)
- sphaerioides, Schafhaeutlia sphaerioides (Boettger 1880) † - (LUCINIDAE) (FOSSIL)
- Sphaeriola, Genus Sphaeriola Stoliczka, 1871 (LUCINIDAE) (FOSSIL)
- sphaerion, Calocochlia sphaerion G.B. I Sowerby, 1841 - (BRADYBAENIDAE)
- sphaerion, Pseudamnicola sphaerion (A. Mousson, 1863) - (HYDROBIIDAE)
- sphaerion, Lithoglyphoides sphaerion W.A. Lindholm, 1924 - syn of: Pseudamnicola brusiniana (S. Clessin & W. Dybowski in W. Dybowski, 1888) - (HYDROBIIDAE)
- sphaerion, Strigilla sphaerion Gardner, 1947 † - (TELLINIDAE) (FOSSIL)
- sphaeriostoma, Chilostoma sphaeriostoma J.R. Bourguignat, 1857 - (HELICIDAE)
- sphaeriostoma hymettii, Chilostoma sphaeriostoma hymettii W. Kobelt, 1876 - (HELICIDAE)
- sphaeripherus, Piseinotecus sphaeripherus R.L. Schmekel, 1965 - syn of: Piseinotecus sphaeriferus (R.L. Schmekel, 1965) - (PISEINOTECIDAE)
- sphaerisulca, Venus sphaerisulca L.A. Reeve, 1863 - syn of: Tawera sphaericula (G.P. Deshayes, 1853) - (VENERIDAE)
- sphaerita, Albea sphaerita (J.D.W. Hartmann, 1844) - (SPHINCTEROCHILIDAE)
- Sphaerium, Genus Sphaerium J.A. Scopoli, 1777 (SPHAERIIDAE)
- Sphaerocardium, syn of: Genus Acanthocardia J.E. Gray, 1851 (CARDIIDAE)
- Sphaeroceramus, Genus Sphaeroceramus Walaszczyk, Cobban & Harries, 2001 (INOCERAMIDAE) (FOSSIL)
- Sphaeroceras, Genus Sphaeroceras Krimholz, 1939 (SPHAEROCERATIDAE) (FOSSIL)
- SPHAEROCERATIDAE Buckman, 1920 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-STEPHANOCERATOIDEA [Superfamily]) (FOSSIL)
- Sphaerocina, Genus Sphaerocina Jung, 1971 (SPHAEROCINIDAE) (FOSSIL)
- SPHAEROCINIDAE A. Janssen & Maxwell, 1995 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-THECOSOMATA [Order]-CAVOLINIOIDEA [Superfamily]) (FOSSIL)
- Sphaerocladiscites, Genus Sphaerocladiscites Popov , 1961 (CLADISCITIDAE) (FOSSIL)
- Sphaerocoeloceras, Genus Sphaerocoeloceras Jaworski, 1926 (HAMMATOCERATIDAE) (FOSSIL)
- sphaeroconcha, Tropiometricola sphaeroconcha (T. Habe, 1974) - (EULIMIDAE)
- Sphaeroconcha, Genus Sphaeroconcha A.S.H. Breure, 1978 (ORTHALICIDAE)
- Sphaeroconia, syn of: Subgenus Pleuropoma (Aphanoconia) A. Wagner, 1905 (HELICINIDAE)
- sphaeroconus, Satsuma sphaeroconus (L. Pfeiffer, 1865) - (CAMAENIDAE)
- sphaeroconus, Vitrea sphaeroconus A.J. Wagner, 1907 - syn of: Vitrea subrimata (O.W.H. Reinhardt, 1871) - (PRISTILOMATIDAE)
- sphaeroconus campochilus, Satsuma sphaeroconus campochilus H.A. Pilsbry, 1910 - (CAMAENIDAE)
- Sphaerocyclus, Genus Sphaerocyclus Perner, 1903 (BELLEROPHONTIDAE) (FOSSIL)
- Sphaerocylichna, Genus Sphaerocylichna K.H.J. Thiele, 1925 (CYLICHNIDAE)
- Sphaerocypraea, Genus Sphaerocypraea F.A. Schilder, 1927 (EOCYPRAEIDAE)
- sphaerodoma, Cypraea sphaerodoma Sowerby, 1845 † - syn of: Umbilia eximia (Sowerby, 1845 †) - (CYPRAEIDAE) (FOSSIL)
- Sphaerodoma, Genus Sphaerodoma Keyes, 1889 (SPHAERODOMIDAE) (FOSSIL)
- SPHAERODOMIDAE Bandel, 2002 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-PERUNELOIDEA [Superfamily]) (FOSSIL)
- Sphaerodomites, Genus Sphaerodomites Rollier, 1909 (OPPELIIDAE) (FOSSIL)
- Sphaerodoris, syn of: Genus Actinocyclus C.G. Ehrenberg, 1831 (ACTINOCYCLIDAE)
- Sphaerogalba, Genus Sphaerogalba N.D. Kruglov & Y.I. Starobogatov, 1985 (LYMNAEIDAE)
- sphaeroidaea, Melanopsis sphaeroidaea J.R. Bourguignat, 1884 - (MELANOPSIDAE)
- sphaeroidalis, Littorina sphaeroidalis É.A.A. Locard, 1886 - syn of: Littorina littorea (C. Linnaeus, 1758) - (LITTORINIDAE)
- sphaeroidalis, Natica sphaeroidalis Stoppani, 1857 † - (NATICIDAE) (FOSSIL)
- sphaeroidalis, Theodoxus sphaeroidalis (Revilla, 1958 †) - (NERITIDAE) (FOSSIL)
- sphaeroidalis, Ostrea sphaeroidalis Whidborne † - (OSTREIDAE) (FOSSIL)
- sphaeroidalis, Prolobites sphaeroidalis Kind, 1944 † - (PROLOBITIDAE) (FOSSIL)
- sphaeroidalis, Discoscaphites sphaeroidalis Kennedy & Cobban, 2000 † - (SCAPHITIDAE) (FOSSIL)
- sphaeroidalis, Strangulites sphaeroidalis (Reed, 1921 †) - (SINUITIDAE) (FOSSIL)
- sphaeroidea, Amplirhagada sphaeroidea F. Köhler, 2010 - (CAMAENIDAE)
- sphaeroidea, Protocardia sphaeroidea (E. Forbes, 1845 †) - (CARDIIDAE) (FOSSIL)
- sphaeroidea, Helicina sphaeroidea L. Pfeiffer - (HELICINIDAE)
- sphaeroidea, Parviturbo sphaeroidea (S.V. Wood, 1842 †) - (SKENEIDAE) (FOSSIL)
- sphaeroides, Bullinopersilia sphaeroides F. Nordsieck, 1972 - syn of: Ferussacia folliculus (J.S. Schröter, 1784) - (ACTEONIDAE)
- sphaeroides, Cypraeorbis sphaeroides (T.A. Conrad, 1848 †) - (CYPRAEIDAE) (FOSSIL)
- sphaeroides, Didymites sphaeroides Mojsisovics, 1875 † - (DIDYMITIDAE) (FOSSIL)
- sphaeroides, Goniatites sphaeroides G. Richter, 1848 † - syn of: Wocklumeria sphaeroides (G. Richter, 1848 †) - (GONIATITIDAE) (FOSSIL)
- sphaeroides, Amauropsis sphaeroides (J.G. Jeffreys, 1877) - (NATICIDAE)
- sphaeroides, Skenea sphaeroides S.V. Wood, 1850 - (SKENEIDAE)
- sphaeroides, Subanarcestes sphaeroides Klug, 2002 † - (SOBOLEWIIDAE) (FOSSIL)
- sphaeroides, Trivirostra sphaeroides F.A. Schilder, 1933 - (TRIVIIDAE)
- sphaeroides, Wocklumeria sphaeroides (G. Richter, 1848 †) - (WOCKLUMERIIDAE) (FOSSIL)
- sphaeroides aperta, Wocklumeria sphaeroides aperta Schindewolf, 1937 † - (WOCKLUMERIIDAE) (FOSSIL)
- sphaeroides plana, Wocklumeria sphaeroides plana Schindewolf, 1937 † - (WOCKLUMERIIDAE) (FOSSIL)
- sphaeroideum, Aulopoma sphaeroideum W.L.H. Dohrn, 1857 - (CYCLOPHORIDAE)
- sphaeroidica, Neritaria sphaeroidica Y.L. Picard, 1903 † - (NERITARIIDAE) (FOSSIL)
- sphaeroidicus, Euomphalus sphaeroidicus Klipstein, 1843 † - syn of: Anomphalus helicoides (Münster, 1841 †) - (EUOMPHALIDAE) (FOSSIL)
- Sphaeromanticoceras, Genus Sphaeromanticoceras Clausen , 1971 (GEPHUROCERATIDAE) (FOSSIL)
- Sphaeromelania, syn of: Genus Pachychilus I. Lea, 1850 (PACHYCHILIDAE)
- sphaeromorpha, Otala sphaeromorpha J.R. Bourguignat, 1883 - (HELICIDAE)
- sphaeromorpha, Diplodonta sphaeromorpha Gardner, 1926 † - (UNGULINIDAE) (FOSSIL)
- Sphaeronassa, syn of: Genus Nassarius Dumιril, 1805 (NASSARIIDAE)
- Sphaeropharciceras, syn of: Genus Pharciceras Hyatt , 1884 (PHARCICERATIDAE) (FOSSIL)
- sphaerophorum, Shikhanoceras sphaerophorum Shimanskiy, 1954 † - (SPYROCERATIDAE) (FOSSIL)
- sphaerophyllus, Monophyllites sphaerophyllus J. Von Hauer, 1851 † - syn of: Monophyllites wengensis (Klipstein, 1843 †) - (USSURITIDAE) (FOSSIL)
- Sphaeroptychius, Genus Sphaeroptychius Lissajous, 1923 (TULITIDAE) (FOSSIL)
- Sphaerorthoceras, Genus Sphaerorthoceras Ristedt , 1968 (SPHAERORTHOCERATIDAE) (FOSSIL)
- SPHAERORTHOCERATIDAE Ristedt, 1968 - Family (CEPHALOPODA-ORTHOCERATOIDEA [Subclass]-ORTHOCERIDA [Order]) (FOSSIL)
- Sphaeroscala, syn of: Genus Epitonium P.F. Rφding, 1798 (EPITONIIDAE)
- sphaerosoma, Gomphoceras sphaerosoma Barrande, 1865 † - syn of: Ovocerina sphaerosoma (Barrande, 1865 †) - (DIESTOCERATIDAE) (FOSSIL)
- sphaerosoma, Ovocerina sphaerosoma (Barrande, 1865 †) - (MANDALOCERATIDAE) (FOSSIL)
- Sphaerospira, Genus Sphaerospira O.A.L. Mφrch, 1867 (CAMAENIDAE)
- Sphaerostoma, syn of: Genus Tritonia G.L.C.F.D. Cuvier, 1798 (TRITONIIDAE)
- sphaerotum, Beudanticeras sphaerotum (Seeley) † - (DESMOCERATIDAE) (FOSSIL)
- Sphaerowocklumeria, Genus Sphaerowocklumeria Pajchlowa, 1972 (WOCKLUMERIIDAE) (FOSSIL)
- Sphaerucaprina, Genus Sphaerucaprina Gemmellaro, 1865 (CAPRINIDAE) (FOSSIL)
- sphaerula, Angaria sphaerula L.C. Kiener, 1838 - (ANGARIIDAE)
- sphaerula, Cypraea sphaerula J.W. Mighels, 1845 - syn of: Cleotrivia pilula (L.C. Kiener, 1843) - (CYPRAEIDAE)
- sphaerula, Eutrochatella sphaerula P. Bartsch, 1932 - (HELICINIDAE)
- sphaerulata, Trepospira sphaerulata (T.A. Conrad, 1842 †) - (EOTOMARIIDAE) (FOSSIL)
- sphaerulata, Neocancilla sphaerulata T. Martyn, 1784 - syn of: Neocancilla papilio (J.H.F. Link, 1807) - (MITRIDAE)
- sphaerulata, Neocancilla sphaerulata K. Martin, 1895 - syn of: Neocancilla circula (L.C. Kiener, 1838) - (MITRIDAE)
- sphaerulata, Murchisonia sphaerulata J. Donald, 1887 † - (MURCHISONIIDAE) (FOSSIL)
- sphaerulata, Pleurotomaria sphaerulata T.A. Conrad, 1842 † - syn of: Trepospira sphaerulata (T.A. Conrad, 1842 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- sphaeruliferum, Cerithium sphaeruliferum E. Forbes, 1846 - (CERITHIIDAE)
- Sphaerulites, Genus Sphaerulites Lamarck, 1819 (RADIOLITIDAE) (FOSSIL)
- sphaerulus, Caseolus sphaerulus (R.T. Lowe, 1852) - (HYGROMIIDAE)
- Sphaerumbonella, Genus Sphaerumbonella G.S. Coen, 1933 (MONTACUTIDAE)
- sphairikos, Arceodomus sphairikos Hanger & al., 2000 † - (CONOCARDIIDAE) (FOSSIL)
- sphakiota, Pseudobaicalia pulla sphakiota (W. Dybowski, 1875) - (AMNICOLIDAE)
- sphakiota, Albinaria sphakiota (H. von Maltzan, 1887) - (CLAUSILIIDAE)
- sphakiota, Helix sphakiota H. von Maltzan, 1883 - syn of: Xerocrassa mesostena (C.A. Westerlund, 1879) - (HELICIDAE)
- sphakiota, Xerocrassa sphakiota H. von Maltzan, 1883 - syn of: Xerocrassa mesostena (C.A. Westerlund, 1879) - (HYGROMIIDAE)
- sphakiotus, Mastus sphakiotus W.J.M. Maassen, 1995 - (ENIDAE)
- sphalera, Acteocina sphalera J. Gardner, 1938 † - (ACTEOCINIDAE) (FOSSIL)
- Sphalerostoma, syn of: Genus Coeliaxis A. Adams & G.F. Angas, 1865 (SUBULINIDAE)
- Spharia, syn of: Genus Spahria J.J. Risbec, 1928 (GONIODORIDIDAE)
- Sphena, syn of: Genus Sphenia W.H. Turton, 1822 (MYIDAE)
- Sphenalia, syn of: Genus Montacuta W.H. Turton, 1822 (MONTACUTIDAE)
- sphenarium, Tivelina sphenarium (J.F. Bayan, 1873 †) - (VENERIDAE) (FOSSIL)
- Sphenarpites, Genus Sphenarpites (HILDOCERATIDAE) (FOSSIL)
- Sphenaturia, Subgenus Aturia (Sphenaturia) Ihering, 1921 (NAUTILIDAE) (FOSSIL)
- Sphendone, Genus Sphendone Slapcinsky & Kraus, 2016 (PARTULIDAE)
- sphenia, Corbula sphenia W.H. Dall, 1900 † - (CORBULIDAE) (FOSSIL)
- Sphenia, Genus Sphenia W.H. Turton, 1822 (MYIDAE)
- Sphenica, syn of: Genus Sphenia W.H. Turton, 1822 (MYIDAE)
- Spheniinae, syn of: Genus Cryptomya T.A. Conrad, 1848 (MYIDAE)
- spheniodostoma, Axelella spheniodostoma (J. Gardner, 1937 †) - (CANCELLARIIDAE) (FOSSIL)
- SPHENIOPSIDAE J. Gardner, 1928 - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-ANOMALODESMATA [Order]-CUSPIDARIOIDEA [Superfamily])
- spheniopsis, Nuculana spheniopsis † - (NUCULANIDAE) (FOSSIL)
- spheniopsis, Nucula spheniopsis T.A. Conrad, 1865 † - syn of: Nucula sphenopsis T.A. Conrad, 1865 † - (NUCULIDAE) (FOSSIL)
- Spheniopsis, Genus Spheniopsis C.L.F. von Sandberger, 1863 (SPHENIOPSIDAE)
- spheniopsis, Pachynaias spheniopsis (P.M.A. Morelet, 1849) - (UNIONIDAE)
- SPHENIPSIDAE - syn of Family: SPHENIOPSIDAE
- Spheniscoceras, syn of: Genus Eulophoceras Hyatt , 1903 (SPHENODISCIDAE) (FOSSIL)
- Sphenoacanthites, Genus Sphenoacanthites Venturi & al., 2007 (SINUICERATIDAE) (FOSSIL)
- Sphenoceramus, Subgenus Inoceramus (Sphenoceramus) Bφhm, 1915 (INOCERAMIDAE) (FOSSIL)
- Sphenoclymenia, Genus Sphenoclymenia Schindewolf, 1920 (SPHENOCLYMENIIDAE) (FOSSIL)
- SPHENOCLYMENIIDAE Korn, 1992 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CLYMENIIDA [Order]-GONIOCLYMENIOIDEA [Superfamily]) (FOSSIL)
- SPHENODISCIDAE Hyatt, 1900 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-ACANTHOCERATOIDEA [Superfamily]) (FOSSIL)
- Sphenodiscus, Genus Sphenodiscus Meek , 1871 (SPHENODISCIDAE) (FOSSIL)
- sphenoformis, Palaeomutela sphenoformis Liang † - (PALAEOMUTELIDAE) (FOSSIL)
- sphenoidalis, Sanguinolites sphenoidalis Reed, 1944 † - (SANGUINOLITIDAE) (FOSSIL)
- sphenoidea, Ringsteadia sphenoidea Buckman, 1926 † - (AULACOSTEPHANIDAE) (FOSSIL)
- sphenoides, Unio sphenoides C.A. Westerlund, 1892 - syn of: Unio abrantesianus É.A.A. Locard, 1899 - (UNIONIDAE)
- sphenoidostoma, Axelella sphenoidostoma J. Gardner, 1937 † - syn of: Axelella spheniodostoma (J. Gardner, 1937 †) - (CANCELLARIIDAE) (FOSSIL)
- Sphenolium, Genus Sphenolium Miller , 1889 (PHOLADOMYIDAE) (FOSSIL)
- Sphenonaias, Genus Sphenonaias J.C.H. Crosse & P. Fischer, 1894 (UNIONIDAE)
- sphenonotum, Radstockiceras sphenonotum (Monke, 1888 †) - (OXYNOTICERATIDAE) (FOSSIL)
- sphenonotus, Joleaudella sphenonotus (E.F.R.K. Koken, 1897 †) - (BELLEROPHONTIDAE) (FOSSIL)
- sphenonotus, Tropidodiscus sphenonotus E.F.R.K. Koken, 1897 † - syn of: Joleaudella sphenonotus (E.F.R.K. Koken, 1897 †) - (TROPIDODISCIDAE) (FOSSIL)
- sphenopsis, Nucula sphenopsis T.A. Conrad, 1865 † - (NUCULIDAE) (FOSSIL)
- sphenorhyncha, Notoplax sphenorhyncha (T. Iredale & A.F.B. Hull, 1925) - (ACANTHOCHITONIDAE)
- sphenorhyncha, Nephronaias sphenorhyncha (J.C.H. Crosse & P.H. Fischer, 1893) - (UNIONIDAE)
- Sphenosolen, Genus Sphenosolen Pojeta & Gilbert-Tomlinson, 1977 (ORTHONOTIDAE) (FOSSIL)
- Sphenosphaera, Genus Sphenosphaera Knight, 1945 (BELLEROPHONTIDAE) (FOSSIL)
- Sphenotomorpha, Genus Sphenotomorpha Williams & Berger, 1916 (MODIOMORPHIDAE) (FOSSIL)
- Sphenotrigonia, Genus Sphenotrigonia Rennie, 1936 (TRIGONIIDA (UNASSIGNED)) (FOSSIL)
- Sphenotus, syn of: Genus Sanguinolites McCoy, 1844 (SANGUINOLITIDAE) (FOSSIL)
- spherica, Anodontia spherica W.H. Dall & W.H. Ochsner, 1928 † - (LUCINIDAE) (FOSSIL)
- spherica, Marseniopsis spherica H. Numanami, 1996 - (VELUTINIDAE)
- sphericula, Anodontia sphericula H. Basedow, 1902 † - (LUCINIDAE) (FOSSIL)
- sphericum, Acutimitoceras sphericum (W.K.C. Sun & S. Shen, 1965 †) - (GATTENDORFIIDAE) (FOSSIL)
- sphericum, Imitoceras sphericum W.K.C. Sun & S. Shen, 1965 † - syn of: Acutimitoceras sphericum (W.K.C. Sun & S. Shen, 1965 †) - (PRIONOCERATIDAE) (FOSSIL)
- spheroidalis, Fagesia superstes spheroidalis Pervinquière, 1907 † - (VASCOCERATIDAE) (FOSSIL)
- spheroidea, Xanthomelon spheroidea (E.J. Le Guillou, 1845) - (CAMAENIDAE)
- spheroidea, Helix spheroidea E.J. Le Guillou, 1845 - syn of: Xanthomelon spheroidea (E.J. Le Guillou, 1845) - (HELICIDAE)
- spheroides, Cylindritopsis spheroides Erwin, 1988 † - (SOLENISCIDAE) (FOSSIL)
- spheroides, Trivirostra spheroides F.A. Schilder, 1933 - syn of: Trivirostra sphaeroides F.A. Schilder, 1933 - (TRIVIIDAE)
- spherotopleura, Axelella spherotopleura (J. Gardner, 1937 †) - (CANCELLARIIDAE) (FOSSIL)
- Sphincterochia, syn of: Genus Sphincterochila C.M.F. Ancey, 1887 (SPHINCTEROCHILIDAE)
- Sphincterochila, Genus Sphincterochila C.M.F. Ancey, 1887 (SPHINCTEROCHILIDAE)
- SPHINCTEROCHILIDAE Zilch, 1960 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-HELICOIDEA [Superfamily])
- Sphincterocochlion, Subgenus Gulella (Sphincterocochlion) B. Verdcourt, 1985 (STREPTAXIDAE)
- Sphinctoceras, Subgenus Subdichotomoceras (Sphinctoceras) Mesezhnikov, 1974 (PERISPHINCTIDAE) (FOSSIL)
- sphinctostoma, Satsuma sphinctostoma A. Adams, 1868 - (CAMAENIDAE)
- sphinctostoma, Littoridina sphinctostoma R.T. Abbott & H.S. Ladd, 1951 - syn of: Texadina sphinctostoma (R.T. Abbott & H.S. Ladd, 1951) - (COCHLIOPIDAE)
- sphinctostoma, Texadina sphinctostoma (R.T. Abbott & H.S. Ladd, 1951) - (HYDROBIIDAE)
- sphinctostoma, Leiostyla sphinctostoma (R.T. Lowe, 1831) - (LAURIIDAE)
- sphinctostoma heterodon, Leiostyla sphinctostoma heterodon H.A. Pilsbry, 1923 - (LAURIIDAE)
- Sphinctostrema, Subgenus Ptychotrema (Sphinctostrema) A.A.A. Girard, 1894 (STREPTAXIDAE)
- Sphinctotrema, syn of: Subgenus Ptychotrema (Sphinctostrema) A.A.A. Girard, 1894 (STREPTAXIDAE)
- sphingiformis, Chrysalidomilax sphingiformis H.R. Simroth, 1912 - syn of: Hyrcanolestes velitaris (E.C. Von Martens, 1880) - (TRIGONOCHLAMYDIDAE)
- sphingis, Phyllidiopsis sphingis D.J. Brunckhorst, 1993 - (PHYLLIDIIDAE)
- Sphingites, Genus Sphingites Mojsisovics , 1879 (SPHINGITIDAE) (FOSSIL)
- SPHINGITIDAE Arthaber, 1911 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-ARCESTOIDEA [Superfamily]) (FOSSIL)
- sphinx, Cuphosolenus sphinx L.É.S. Piette, 1882 † - (APORRHAIDAE) (FOSSIL)
- sphinx, Euchrysalis sphinx (Stoppani, 1857 †) - (COELOSTYLINIDAE) (FOSSIL)
- sphinx, Conus sphinx P.F. Röding, 1798 - syn of: Genuanoconus genuanus (C. Linnaeus, 1758) - (CONIDAE)
- sphinx, Strandoceras sphinx (A. Schmidt, 1858 †) - (CYRTOGOMPHOCERATIDAE) (FOSSIL)
- sphinx, Newnesia sphinx H. Strebel, 1908 - syn of: Newnesia antarctica E.A. Smith, 1902 - (DIAPHANIDAE)
- sphinx, Orthalicus sphinx (H. Strebel, 1909) - (ORTHALICIDAE)
- sphinx, Protophragmoceras sphinx A. Schmidt, 1858 † - syn of: Strandoceras sphinx (A. Schmidt, 1858 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- sphinx, Ilanga undata sphinx D.G. Herbert, 1987 - (SOLARIELLIDAE)
- sphinx latistriatus, Orthalicus sphinx latistriatus (H. Strebel, 1909) - (ORTHALICIDAE)
- sphinx tresmariae, Orthalicus sphinx tresmariae A.S.H. Breure, 2013 - (ORTHALICIDAE)
- sphinx turrita, Zebra sphinx turrita H. Strebel, 1909 - syn of: Orthalicus sphinx tresmariae A.S.H. Breure, 2013 - (ORTHALICIDAE)
- Sphoerocardium, syn of: Genus Acanthocardia J.E. Gray, 1851 (CARDIIDAE)
- sphoni, Felimida sphoni Ev. Marcus, 1971 - (CHROMODORIDIDAE)
- sphoni, Acesta sphoni (L.G. Hertlein, 1963) - (LIMIDAE)
- sphoni, Nebularia sphoni D.R. Shasky & G.B. Campbell, 1964 - (MITRIDAE)
- sphoni, Olivella sphoni J.Q. Burch & G.B. Campbell, 1963 - (OLIVELLIDAE)
- sphoni, Pseudosimnia sphoni C.N. Cate, 1973 - syn of: Pseudosimnia vanhyningi (M. Smith, 1940) - (OVULIDAE)
- Sphooceras, Genus Sphooceras Flower, 1962 (SPHOOCERATIDAE) (FOSSIL)
- SPHOOCERATIDAE Flower, 1962 - Family (CEPHALOPODA-ORTHOCERATOIDEA [Subclass]-ORTHOCERIDA [Order]) (FOSSIL)
- sphragitis, Lioconcha sphragitis A. Römer, 1864 - syn of: Lioconcha trimaculata (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- sphynx, Strandoceras sphynx A. Schmidt, 1858 † - syn of: Protophragmoceras sphynx (A. Schmidt, 1858 †) - (CYRTOGOMPHOCERATIDAE) (FOSSIL)
- sphynx, Protophragmoceras sphynx (A. Schmidt, 1858 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- Sphyradium, Subgenus Orcula (Sphyradium) J.G.F. de Charpentier, 1837 (ORCULIDAE)
- Sphyradoceras, Genus Sphyradoceras Hyatt, 1884 (NEPHRITICERATIDAE) (FOSSIL)
- Spia, Genus Spia Skwarko, 1981 (PTERIIDA (UNASSIGNED)) (FOSSIL)
- spica, Engina spica J.C. Melvill & R. Standen, 1895 - (BUCCINIDAE)
- spica, Exomilopsis spica (C. Hedley, 1907) - (COLUMBELLIDAE)
- spica, Turricaspia spica (K.E.I. von Eichwald, 1855) - (HYDROBIIDAE)
- spica, Turricaspia spica C.M. Kolesnikov, 1947 - syn of: Turricaspia spasskii (B.M. Logvinenko & Y.I. Starobogatov, 1968) - (HYDROBIIDAE)
- spica, Hydrobia spica O.A. Grimm, 1876 - syn of: Pyrgula concinna B.M. Logvinenko & Y.I. Starobogatov, 1968 - (HYDROBIIDAE)
- spica, Mangilia spica W.H. Dall, 1889 - syn of: Theta chariessa (R.B. Watson, 1881) - (MANGELIIDAE)
- spica, Mangelia spica C. Hedley, 1907 - syn of: Exomilopsis spica (C. Hedley, 1907) - (MANGELIIDAE)
- spica, Barnea spica F.P. Jousseaume in É. Lamy, 1923 - syn of: Barnea manilensis (R.A. Philippi, 1847) - (PHOLADIDAE)
- spica, Teretriphora spica (J.C. Verco, 1909) - (TRIPHORIDAE)
- spica, Paludina spica K.E.I. von Eichwald, 1855 - syn of: Turricaspia spica (K.E.I. von Eichwald, 1855) - (VIVIPARIDAE)
- spica incisata, Micromelania spica incisata W. Dybowski & J.G. Grochmalicki, 1915 - syn of: Pyrgula lirata (W. Dybowski & J.G. Grochmalicki, 1915) - (HYDROBIIDAE)
- spica lirata, Turricaspia spica lirata W. Dybowski & J.G. Grochmalicki, 1915 - syn of: Pyrgula lirata (W. Dybowski & J.G. Grochmalicki, 1915) - (HYDROBIIDAE)
- spica mactanensis, Engina spica mactanensis W.O. Cernohorsky, 1985 - (BUCCINIDAE)
- spica nova, Turricaspia spica nova C.M. Kolesnikov, 1947 - syn of: Pyrgula concinna B.M. Logvinenko & Y.I. Starobogatov, 1968 - (HYDROBIIDAE)
- spica typica, Micromelania spica typica W. Dybowski & J.G. Grochmalicki, 1915 - syn of: Turricaspia spica (K.E.I. von Eichwald, 1855) - (HYDROBIIDAE)
- spicata, Hemizaptyx pinto spicata (H.A. Pilsbry, 1909) - (CLAUSILIIDAE)
- spicata, Clavatula spicata R.B. Hinds, 1843 - syn of: Inquisitor spicata (R.B. Hinds, 1843) - (CLAVATULIDAE)
- spicata, Hanleya spicata S.S. Berry, 1919 - syn of: Deshayesiella spicata (S.S. Berry, 1919) - (HANLEYIDAE)
- spicata, Eumorphotis spicata H. Guo, 1985 † - (HETEROPECTINIDAE) (FOSSIL)
- spicata, Deshayesiella spicata (S.S. Berry, 1919) - (LEPTOCHITONIDAE)
- spicata, Aspalima spicata (P.G. Oliver & J.A. Allen, 1980) - (LIMOPSIDAE)
- spicata, Mitra spicata L.A. Reeve, 1845 - syn of: Vexillum spicatum (L.A. Reeve, 1845) - (MITRIDAE)
- spicata, Oliva spicata (Roding, 1798 †) - (OLIVIDAE) (FOSSIL)
- spicata, Oliva spicata (P.F. Röding, 1798) - (OLIVIDAE)
- spicata, Inquisitor spicata (R.B. Hinds, 1843) - (PSEUDOMELATOMIDAE)
- spicata araneosa, Oliva spicata araneosa J.B.P.A. Lamarck, 1811 - (OLIVIDAE)
- spicata deynzerae, Oliva spicata deynzerae E.J. Petuch & D.M. Sargent, 1986 - syn of: Americoliva deynzerae (E.J. Petuch & D.M. Sargent, 1986) - (OLIVIDAE)
- spicata fuscata, Oliva spicata fuscata F.P. Marrat, 1870 - (OLIVIDAE)
- spicata hemphilli, Oliva spicata hemphilli J. Ford, 1915 - (OLIVIDAE)
- spicata melchersi, Oliva spicata melchersi K.T. Menke, 1851 - (OLIVIDAE)
- spicata oniska, Oliva spicata oniska P.L. Duclos, 1844 - (OLIVIDAE)
- spicata perfecta, Oliva spicata perfecta C.W. Johnson, 1911 - syn of: Oliva spicata (P.F. Röding, 1798) - (OLIVIDAE)
- spicata pindarina, Oliva spicata pindarina P.L. Duclos, 1840 - syn of: Oliva pindarina P.L. Duclos, 1835 - (OLIVIDAE)
- spicata rejecta, Oliva spicata rejecta J.Q. Burch & R.L. Burch, 1962 - syn of: Oliva violacea rejecta J.Q. Burch & R.L. Burch, 1962 - (OLIVIDAE)
- spicata subangulata, Oliva spicata subangulata R.A. Philippi, 1848 - syn of: Oliva subangulata R.A. Philippi, 1848 - (OLIVIDAE)
- spicata venulata, Oliva spicata venulata J.B.P.A. Lamarck, 1811 - syn of: Oliva venulata J.B.P.A. Lamarck, 1811 - (OLIVIDAE)
- spicata violacea, Oliva spicata violacea F.P. Marrat, 1867 - syn of: Oliva violacea F.P. Marrat, 1867 - (OLIVIDAE)
- Spicator, syn of: Genus Laetifautor T. Iredale, 1929 (CALLIOSTOMATIDAE)
- spicatum, Cerithium spicatum G. Perry, 1811 - syn of: Tympanotonos fuscatus (C. Linnaeus, 1758) - (CERITHIIDAE)
- spicatum, Vexillum spicatum (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- spicatum, Nodicoeloceras spicatum (Buckman, 1927 †) - (DACTYLIOCERATIDAE) (FOSSIL)
- spicatum, Spinicoeloceras spicatum Buckman † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- spicatus, Murex spicatus W.F. Ponder & E.H. Vokes, 1988 - (MURICIDAE)
- spicatus, Unionites spicatus C. Chen, 1976 † - (TRIGONODIDAE) (FOSSIL)
- spicea, Theta spicea (R.B. Watson, 1881) - (RAPHITOMIDAE)
- spiceri, Virgiconus spiceri (P. Bartsch & H.A. Rehder, 1943) - (CONIDAE)
- spiceri, Dolicholatirus spiceri (J.E. Tenison-Woods, 1876) - (FASCIOLARIIDAE)
- spiceri, Mirapecten spiceri H.A. Rehder, 1944 - syn of: Mirapecten rastellum (J.B.P.A. Lamarck, 1819) - (PECTINIDAE)
- spiceri, Trocholaoma spiceri W.F. Petterd, 1879 - syn of: Trocholaoma parvissimia (C.M.D.E. Legrand, 1871) - (PUNCTIDAE)
- spiceri, Cyclostremiscus spiceri (F.C. Baker, G.D. Hanna & A.M. Strong, 1938) - (TORNIDAE)
- spiciferus, Gymnoplax spiciferus A. de Rochebrune, 1884 - syn of: Ischnoplax pectinata (G.B. II Sowerby, 1840) - (CHITONIDAE)
- spicini, Inyoites spicini Zakharov, 1968 † - syn of: Inyoites oweni A. Hyatt & Smith, 1905 † - (INYOITIDAE) (FOSSIL)
- Spicuchelodes, Genus Spicuchelodes Cherns, 1998 (MATTHEVIIDAE) (FOSSIL)
- spicula, Amastra spicula D.D. Baldwin, 1903 - (AMASTRIDAE)
- spicula, Hydrobia spicula Stefanescu, 1896 † - (HYDROBIIDAE) (FOSSIL)
- spicula, Lithasia spicula R.L. Minton, Savarese & G.B. Campbell, 2005 - (PLEUROCERIDAE)
- spicula, Tasmadaphne spicula C.F. Laseron, 1954 - (RAPHITOMIDAE)
- spicula, Fusispira spicula Sardeson, 1892 † - (SUBULITIDAE) (FOSSIL)
- spicula, Inella spicula S. Kosuge, 1962 - (TRIPHORIDAE)
- spicularis, Eulimella spicularis A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- spiculata, Dendrodoris spiculata L.S.R. Bergh, 1876 - (DENDRODORIDIDAE)
- Spiculata, syn of: Genus Simnia A. Risso, 1826 (OVULIDAE)
- spiculata, Mayabina spiculata (P.M.A. Morelet, 1849) - (PHYSIDAE)
- spiculata, Spiomenia spiculata P. Arnofsky, 2000 - (SIMROTHIELLIDAE)
- spiculata gracilis, Aplexa spiculata gracilis P.H. Fischer & J.C.H. Crosse, 1886 - syn of: Mayabina polita D.W. Taylor, 2003 - (PHYSIDAE)
- spiculata tapanensis, Aplecta spiculata tapanensis P.H. Fischer & J.C.H. Crosse, 1886 - syn of: Mayabina tapanensis (J.C.H. Crosse & P.H. Fischer, 1882) - (PHYSIDAE)
- spiculatum, Kosmoceras spiculatum (Buckman, 1924 †) - (KOSMOCERATIDAE) (FOSSIL)
- spiculatum, Liopeplum spiculatum N.F. Sohl, 1964 † - (VOLUTIDAE) (FOSSIL)
- spiculatus, Bostryx spiculatus P.M.A. Morelet, 1860 - (BULIMULIDAE)
- spiculatus, Turbonopsis spiculatus (Fenton & Fenton, 1924 †) - (PALAEOTROCHIDAE) (FOSSIL)
- spiculatus, Turbo spiculatus Fenton & Fenton, 1924 † - syn of: Turbonopsis spiculatus (Fenton & Fenton, 1924 †) - (TURBINIDAE) (FOSSIL)
- spiculatus florezi, Bostryx spiculatus florezi W.K. Weyrauch, 1967 - syn of: Bostryx cunyacensis A.S.H. Breure, 1978 - (BULIMULIDAE)
- spiculatus paucicostatus, Bostryx spiculatus paucicostatus A.S.H. Breure, 1978 - (BULIMULIDAE)
- spiculatus pectinatus, Bostryx spiculatus pectinatus W.H. Dall, 1912 - (BULIMULIDAE)
- spiculatus pumilus, Bostryx spiculatus pumilus A.S.H. Breure, 1978 - (BULIMULIDAE)
- spiculifera, Hedylopsis spiculifera (A. Kowalevsky, 1901) - (HEDYLOPSIDAE)
- spiculifera, Orthotrigonia spiculifera Fischer, 1969 † - (MYOPHORELLIDAE) (FOSSIL)
- spiculiformae, Parthenina spiculiformae Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- spiculoides, Adalaria spiculoides (N.I. Volodchenko, 1941) - (ONCHIDORIDIDAE)
- spiculoides, Turbonilla spiculoides A.E.M. Cossmann & M.A. Peyrot, 1917 † - (PYRAMIDELLIDAE) (FOSSIL)
- spiculosa, Acanthochitona spiculosa L.A. Reeve, 1847 - syn of: Acanthochitona astrigera (L.A. Reeve, 1847) - (ACANTHOCHITONIDAE)
- spiculosa, Sagda spiculosa (L. Pfeiffer, 1859) - (SAGDIDAE)
- spiculum, Cerithium spiculum C. Hedley, 1899 - syn of: Cerithium nesioticum H.A. Pilsbry & E.G. Vanatta, 1906 - (CERITHIIDAE)
- spiculum, Zaclys spiculum C.R. Laws, 1940 † - (CERITHIOPSIDAE) (FOSSIL)
- spiculum, Aesopus spiculum P.L. Duclos, 1846 - syn of: Aesopus clausiliformis (L.C. Kiener, 1834) - (COLUMBELLIDAE)
- spiculum, Conus spiculum L.A. Reeve, 1849 - syn of: Strategoconus generalis (C. Linnaeus, 1767) - (CONIDAE)
- spiculum, Vexillum spiculum L. Bozzetti, 2013 - (COSTELLARIIDAE)
- spiculum, Donax spiculum L.A. Reeve, 1855 - (DONACIDAE)
- spiculum, Leiostraca spiculum (A. Adams, 1861) - (EULIMIDAE)
- spiculum, Melanella spiculum A. Adams, 1861 - syn of: Leiostraca spiculum (A. Adams, 1861) - (EULIMIDAE)
- spiculum, Cecilioides spiculum W.H. Benson, 1856 - syn of: Cecilioides acicula (O.F. Müller, 1774) - (FERUSSACIIDAE)
- spiculum, Turbonilla spiculum (K.E.I. von Eichwald, 1853 †) - (PYRAMIDELLIDAE) (FOSSIL)
- spiculus, Murexsul spiculus (R. Houart, 1987) - (MURICIDAE)
- spiekeri, Scapharca spiekeri A.A. Olsson, 1932 † - (ARCIDAE) (FOSSIL)
- spiekeri, Conasprelloides multiliratus spiekeri (A.A. Olsson, 1932 †) - (CONIDAE) (FOSSIL)
- spiekeri, Gonionotites spiekeri McLearn, 1947 † - (JUVAVITIDAE) (FOSSIL)
- spiekeri, Chionopsis spiekeri A.A. Olsson, 1932 † - (VENERIDAE) (FOSSIL)
- spifunifortis, Pyrgulina spifunifortis Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- Spikebuccinum, Genus Spikebuccinum M.G. Harasewych & Y.I. Kantor, 2004 (BUCCINIDAE)
- spiliaenymphis, Lindbergia spiliaenymphis F. Riedel, 1959 - (PRISTILOMATIDAE)
- spillmani, Cardium spillmani T.A. Conrad, 1858 † - (CARDIIDAE) (FOSSIL)
- spillmani, Gyrodes spillmani W.M. Gabb, 1861 † - (NATICIDAE) (FOSSIL)
- spillmanii, Margaritana spillmanii I. Lea, 1858 - syn of: Strophitus subvexus T.A. Conrad, 1834 - (MARGARITIFERIDAE)
- spillmanii, Goniobasis spillmanii I. Lea, 1862 - (PLEUROCERIDAE)
- Spilochlamys, Genus Spilochlamys F.G. Thompson, 1968 (HYDROBIIDAE)
- spilokeiria, Geotrochus spilokeiria J.J. Vermeulen, T.S. Liew & M. Schilthuizen, 2015 - (HELICARIONIDAE)
- spilospira, Discula spilospira R.T. Lowe, 1855 - syn of: Discula cheiranthicola (R.T. Lowe, 1831) - (HYGROMIIDAE)
- spilsbiensis, Panopea spilsbiensis Woods † - (HIATELLIDAE) (FOSSIL)
- spilsbyensis, Pleurotomaria spilsbyensis Cox † - (PLEUROTOMARIIDAE) (FOSSIL)
- spilura, Spilura spilura C. Linnaeus, 1758 - syn of: Spirula spirula (C. Linnaeus, 1758) - (SPIRULIDAE)
- spina, Damochlora spina G.A. Solem, 1985 - (CAMAENIDAE)
- spina, Caymanabyssia spina L.I. Moskalev, 1976 - (CAYMANABYSSIIDAE)
- spina, Bittium spina (P. Partsch in M. Hörnes, 1856 †) - (CERITHIIDAE) (FOSSIL)
- spina, Cerithium spina H.C. Lea, 1845 - syn of: Bittiolum alternatum (T. Say, 1822) - (CERITHIIDAE)
- spina, Creseis spina A.E. Reuss, 1867 † - (CRESEIDAE) (FOSSIL)
- spina, Melanella spina (O. Böttger, 1893) - (EULIMIDAE)
- spina, Melanella spina (J.P.S. Grateloup, 1838 †) - (EULIMIDAE) (FOSSIL)
- spina, Euvaricella spina (H.A. Pilsbry, 1907) - (OLEACINIDAE)
- spina, Syrnola spina (G.P. Deshayes, 1824 †) - (PYRAMIDELLIDAE) (FOSSIL)
- spina, Cingulina spina (J.C.H. Crosse & P.H. Fischer, 1864) - (PYRAMIDELLIDAE)
- spina, Obtusella spina (J.C.H. Crosse & P.H. Fischer, 1864) - (RISSOIDAE)
- spina, Inella spina (J.C. Verco, 1909) - (TRIPHORIDAE)
- spina, Turritella spina J.C.H. Crosse & P.H. Fischer, 1864 - syn of: Cingulina spina (J.C.H. Crosse & P.H. Fischer, 1864) - (TURRITELLIDAE)
- spinacavus, Wuxuanella spinacavus (Heidelberger, 2001 †) - (MURCHISONIIDAE) (FOSSIL)
- spinacea, Marginella spinacea S. Gofas & C. Fernández, 1988 - syn of: Marginella spinacia S. Gofas & F. Fernandes, 1988 - (MARGINELLIDAE)
- spinacia, Marginella spinacia S. Gofas & F. Fernandes, 1988 - (MARGINELLIDAE)
- spinacutus, Leptotrophon spinacutus (R. Houart, 1986) - (MURICIDAE)
- spinae, Helix spinae W. Kobelt, 1906 - syn of: Ambigua fuscolabiata lauriensis (W. Kobelt, 1905) - (HELICIDAE)
- Spinaeculites, Genus Spinaeculites Farsan, 1994 (UNICONOCYCLITIDAE) (FOSSIL)
- spinaerosae, Epitonium spinaerosae O.A.L. Mörch, 1875 - syn of: Epitonium foliaceicosta d'Orbigny, 1842 - (EPITONIIDAE)
- spinaerosae, Babelomurex spinaerosae (T. Shikama, 1970) - (MURICIDAE)
- spinagracilis, Cerithium lividulum spinagracilis P.M. Pallary, 1909 - (CERITHIIDAE)
- spinalatum, Conocardium spinalatum Rowley, 1900 † - (CONOCARDIIDAE) (FOSSIL)
- Spinammatoceras, Genus Spinammatoceras (HAMMATOCERATIDAE) (FOSSIL)
- Spinans, Subgenus Quadrans (Spinans) M. Huber, Langleit & Kreipl, 2015 (TELLINIDAE)
- Spinarcullaea, Genus Spinarcullaea Chavan, 1952 (GLYCYMERIDIDAE) (FOSSIL)
- spinari, Sinuitina spinari Horný, 1963 † - (TROPIDODISCIDAE) (FOSSIL)
- spinarosae, Epitonium spinarosae O.A.L. Mörch, 1875 - syn of: Epitonium foliaceicosta d'Orbigny, 1842 - (EPITONIIDAE)
- spinarosae, Babelomurex spinarosae (T. Shikama, 1970) - syn of: Babelomurex spinaerosae (T. Shikama, 1970) - (MURICIDAE)
- Spinaspira, Subgenus Amalda (Spinaspira) A.A. Olsson, 1956 (ANCILLARIIDAE)
- spinastreptos, Murex spinastreptos R. Houart, 2010 - (MURICIDAE)
- spinata, Collina spinata Guex, 1972 † - syn of: Mucrodactylites spinatus Guex, 1972 † - (DACTYLIOCERATIDAE) (FOSSIL)
- spinata, Baglivia spinata Lörenthey, 1895 † - (HYDROBIIDAE) (FOSSIL)
- spinatocostatum, Acanthoptychoceras spinatocostatum Manolov, 1962 † - (ANCYLOCERATIDAE) (FOSSIL)
- spinatum, Pleuroceras spinatum (J.G. Bruguière, 1789 †) - (AMALTHEIDAE) (FOSSIL)
- spinatum buckmani, Pleuroceras spinatum buckmani (Moxon, 1841 †) - (AMALTHEIDAE) (FOSSIL)
- spinatus, Paragloborilus spinatus Z.X. Qian & Q. Xiao, 1984 † - (CIRCOTHECIDAE) (FOSSIL)
- spinatus, Sornayites spinatus Busnardo, 2003 † - (CRIOCERATITIDAE) (FOSSIL)
- spinatus, Mucrodactylites spinatus Guex, 1972 † - (DACTYLIOCERATIDAE) (FOSSIL)
- spinatus, Neogloborilus spinatus (Z.X. Qian & Q. Xiao, 1984 †) - (GLOBORILIDAE) (FOSSIL)
- spinatus, Erycitoides spinatus Westermann, 1964 † - (HAMMATOCERATIDAE) (FOSSIL)
- spinatus, Wasatchites spinatus Guex, 1978 † - (PRIONITIDAE) (FOSSIL)
- spinatus, Priodiscus spinatus J. Gerlach, 1999 - (RHYTIDIDAE)
- Spinaxinus, Genus Spinaxinus P.G. Oliver & A. Holmes, 2006 (THYASIRIDAE)
- Spincterocochlion, Subgenus Gulella (Spincterocochlion) Verdcourt, 1985 (STREPTAXIDAE)
- spinctostoma, Texadina spinctostoma (R.T. Abbott & H.S. Ladd, 1953) - (HYDROBIIDAE)
- spinea, Melanopsis bouei spinea Stefanescu, 1896 † - (MELANOPSIDAE) (FOSSIL)
- spinea, Sonninia spinea Buckman † - (SONNINIIDAE) (FOSSIL)
- Spinearca, syn of: Genus Verilarca T. Iredale, 1939 (NOETIIDAE)
- spinei, Mussonena spinei (J.C. Cox, 1868) - (CAMAENIDAE)
- Spineilo, Genus Spineilo Finlay & Marwick, 1937 (MALLETIIDAE) (FOSSIL)
- spinella, Cassis madagascariensis spinella W.J. Clench, 1944 - (CASSIDAE)
- spinella, Goniobasis arachnoides spinella I. Lea, 1862 - (PLEUROCERIDAE)
- spinellii, Argna spinellii P.V. Gredler, 1889 - syn of: Argna valsabina (G.B. Spinelli, 1851) - (ARGNIDAE)
- spinellii, Eupaludestrina spinellii (P.V. Gredler, 1859) - (COCHLIOPIDAE)
- Spineoterebra, Genus Spineoterebra Sacco, 1891 (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- spinetum, Patella spinetum P.F. Röding, 1798 - syn of: Scutellastra barbara (C. Linnaeus, 1758) - (PATELLIDAE)
- Spinicalliotropis, Genus Spinicalliotropis G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 (CALLIOTROPIDAE)
- Spinicharybdis, Genus Spinicharybdis Rohr & Packard, 1982 (EUOMPHALIDAE) (FOSSIL)
- spinicinctum, Columbarium spinicinctum (E.C. Von Martens, 1881) - (TURBINELLIDAE)
- spinicirrhus, Tetracheledone spinicirrhus N.A. Voss, 1955 - (OCTOPODIDAE)
- Spiniclaviceras, syn of: Genus Metaderoceras Spath , 1925 (EODEROCERATIDAE) (FOSSIL)
- Spinicoeloceras, Genus Spinicoeloceras Buckman, 1926 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- spinicoronatus, Protobalanus spinicoronatus Vinther & al., 2012 † - (HERCOLEPADIDAE) (FOSSIL)
- spinicosta, Asterohelix spinicosta (F. Stoliczka, 1861 †) - (DISCOHELICIDAE) (FOSSIL)
- spinicosta, Promurex spinicosta (H.G. Bronn, 1831 †) - (MURICIDAE) (FOSSIL)
- spinicosta, Murex spinicosta A. Valenciennes in L.C. Kiener, 1843 - syn of: Hexaplex fulvescens Sowerby, 1834 - (MURICIDAE)
- spinicosta, Pseudomonotis spinicosta Wittenburg, 1908 † - syn of: Eumorphotis hinnitidea (Bittner, 1898 †) - (PSEUDOMONOTIDAE) (FOSSIL)
- spinicostata, Cerithium subscalariforme spinicostata W.H. Hudleston, 1889 † - (CERITHIIDAE) (FOSSIL)
- spinicostata, Melanopsis spinicostata H. Rolle, 1860 † - (MELANOPSIDAE) (FOSSIL)
- spinicostata, Sonninia spinicostata Buckman † - (SONNINIIDAE) (FOSSIL)
- spinicostata, Deikella spinicostata S. Kiel & K. Bandel, 2004 † - (TURBINIDAE) (FOSSIL)
- spinicostatus, Phos spinicostatus A. Adams, 1851 - syn of: Phos blainvillei G.P. Deshayes in Bèlanger, 1832 - (NASSARIIDAE)
- spinicostatus, Rhabdocolpus spinicostatus (Hudleston, 1889 †) - (PROCERITHIIDAE) (FOSSIL)
- Spinidelphinulopsis, Genus Spinidelphinulopsis Blodgett & al., 2001 (DELPHINULOPSIDAE) (FOSSIL)
- Spinidrupa, Genus Spinidrupa T. Habe & S. Kosuge, 1966 (MURICIDAE)
- spinifer, Marcouxites spinifer (Smith, 1914 †) - (CERATITIDAE) (FOSSIL)
- spinifera, Alaria pontonis spinifera W.H. Hudleston, 1888 † - (APORRHAIDAE) (FOSSIL)
- spinifera, Bohaispira spinifera Youlou, 1978 † - (BOHAISPIRIDAE) (FOSSIL)
- spinifera, Austrofusus spinifera Finlay & McDowall, 1923 † - (BUCCINIDAE) (FOSSIL)
- spinifera, Calyptraea spinifera (J.E. Gray, 1867) - (CALYPTRAEIDAE)
- spinifera, Selenophaedusa spinifera H. Nordsieck, 2005 - (CLAUSILIIDAE)
- spinifera, Creseis spinifera P.C.A.S.L. Rang, 1828 - syn of: Styliola subula (J.R.C. Quoy & J.P. Gaimard, 1827) - (CRESEIDAE)
- spinifera, Drillia spinifera M.A. Peyrot, 1931 † - (DRILLIIDAE) (FOSSIL)
- spinifera, Exogyra spinifera L.W. Stephenson, 1914 † - (GRYPHAEIDAE) (FOSSIL)
- spinifera, Ceratopoma spinifera L. Pfeiffer - (HELICINIDAE)
- spinifera, Hiatella arctica spinifera G.B. Sowerby, 1875 - (HIATELLIDAE)
- spinifera, Myrtea spinifera (G. Montagu, 1803) - (LUCINIDAE)
- spinifera, Clithon squarrosum spinifera E.C. Von Martens, 1878 - (NERITIDAE)
- spinifera, Patella spinifera J.B.P.A. Lamarck, 1819 - syn of: Scutellastra barbara (C. Linnaeus, 1758) - (PATELLIDAE)
- spinifera, Pterinopectinella spinifera Newell & Boyd, 1995 † - (PTERINOPECTINIDAE) (FOSSIL)
- spinifera, Varicospira spinifera (Martin, 1899 †) - (ROSTELLARIIDAE) (FOSSIL)
- spinifera, Sonninia spinifera Buckman † - (SONNINIIDAE) (FOSSIL)
- spinifera, Callusaria spinifera (J. Marwick, 1924 †) - (STRUTHIOLARIIDAE) (FOSSIL)
- spinifera, Melania spinifera C.B. Adams, 1845 - syn of: Pyrgophorus coronatus (L. Pfeiffer, 1840) - (THIARIDAE)
- spinifera, Acanthinula spinifera (A. Mousson, 1872) - (VALLONIIDAE)
- spinifera, Venus spinifera G. Montagu, 1803 - syn of: Myrtea spinifera (G. Montagu, 1803) - (VENERIDAE)
- spinifera, Chamelea spinifera T. Brown, 1827 - syn of: Myrtea spinifera (G. Montagu, 1803) - (VENERIDAE)
- spinifera, Lyrischapa spinifera Perrilliat & al., 2006 † - (VOLUTIDAE) (FOSSIL)
- spinifera gallensis, Lucina spinifera gallensis A. De Gregorio, 1885 - syn of: Myrtea spinifera (G. Montagu, 1803) - (LUCINIDAE)
- spinifera hechiensis, Selenophaedusa spinifera hechiensis H. Nordsieck, 2012 - (CLAUSILIIDAE)
- spinifera minor, Lucina spinifera minor J.G. Jeffreys, 1864 - syn of: Myrtea spinifera (G. Montagu, 1803) - (LUCINIDAE)
- spinifera zina, Lucina spinifera zina A. De Gregorio, 1885 - syn of: Myrtea spinifera (G. Montagu, 1803) - (LUCINIDAE)
- spiniferum, Trigonostoma spiniferum (J.P.S. Grateloup, 1832 †) - (CANCELLARIIDAE) (FOSSIL)
- spiniferum, Douvilleiceras spiniferum (J.J.F. Whiteaves, 1876 †) - (DOUVILLEICERATIDAE) (FOSSIL)
- spiniferum, Epitonium spiniferum (Seguenza, 1876 †) - (EPITONIIDAE) (FOSSIL)
- spiniferum, Gloripallium spiniferum (G.B. I Sowerby, 1835) - (PECTINIDAE)
- spiniferus, Chiton spiniferus J. Frembly - (CHITONIDAE)
- spiniferus, Fusus spiniferus R. Tate, 1888 † - (FASCIOLARIIDAE) (FOSSIL)
- spiniferus, Clithon spiniferus (C.A. Récluz, 1842) - (NERITIDAE)
- spiniformis, Creseis spiniformis L. Benoit, 1843 - syn of: Creseis clava (P.C.A.S.L. Rang, 1828) - (CRESEIDAE)
- spiniformis, Gadilopsis spiniformis Gardner, 1947 † - (GADILIDAE) (FOSSIL)
- spiniformis, Syrnola spiniformis A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- Spinifulgur, Genus Spinifulgur Petuch, 1994 (BUSYCONIDAE) (FOSSIL)
- spiniger, Kastanoceras spiniger J. Kennedy & Cobban, 1990 † - (ACANTHOCERATIDAE) (FOSSIL)
- spiniger, Idiohamites spiniger (Sowerby †) - (ANISOCERATIDAE) (FOSSIL)
- spiniger, Megalonoda spiniger (J. de C. Sowerby in Sedgwick & Murchison, 1832 †) - (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- spiniger, Busycon spiniger T.A. Conrad, 1865 † - (BUSYCONIDAE) (FOSSIL)
- spiniger, Acanthopleura spiniger G.B. II Sowerby, 1840 - syn of: Acanthopleura brevispinosa (G.B. II Sowerby, 1840) - (CHITONIDAE)
- spiniger, Pseudoharpoceras spiniger L. Waagen, 1895 † - (COLUMBITIDAE) (FOSSIL)
- spiniger, Levifusus spiniger (T.A. Conrad, 1848 †) - (ECHINOFULGURIDAE) (FOSSIL)
- spiniger, Fusus spiniger T.A. Conrad, 1848 † - syn of: Levifusus spiniger (T.A. Conrad, 1848 †) - (FASCIOLARIIDAE) (FOSSIL)
- spiniger, Protoecotraustes spiniger (S.S. Buckman, 1910 †) - (HAPLOCERATIDAE) (FOSSIL)
- spiniger, Frogdenites spiniger S.S. Buckman, 1921 † - (OTOITIDAE) (FOSSIL)
- spiniger, Tympanotonus spiniger K. Martin, 1884 - syn of: Argyropeza divina J.C. Melvill & R. Standen, 1901 - (POTAMIDIDAE)
- spiniger, Trachyscaphites spiniger (F. Schlüter, 1872 †) - (SCAPHITIDAE) (FOSSIL)
- spiniger, Sibirites spiniger Krafft & Diener, 1909 † - syn of: Anasibirites kingianus (L. Waagen, 1895 †) - (SIBIRITIDAE) (FOSSIL)
- spiniger, Trochus spiniger J. de C. Sowerby in Sedgwick & Murchison, 1832 † - syn of: Megalonoda spiniger (J. de C. Sowerby in Sedgwick & Murchison, 1832 †) - (TROCHIDAE) (FOSSIL)
- spiniger onslowensis, Busycon spiniger onslowensis H.G. Richards, 1943 - (BUSYCONIDAE)
- spiniger porchi, Trachyscaphites spiniger porchi Cobban & P.H. Scott, 1964 † - (SCAPHITIDAE) (FOSSIL)
- spinigera, Amalda spinigera (P. Marshall, 1918 †) - (ANCILLARIIDAE) (FOSSIL)
- Spinigera, Genus Spinigera D'Orbigny, 1852 (APORRHAIDAE) (FOSSIL)
- spinigera, Coccopigya spinigera (J.G. Jeffreys, 1883) - (COCCULINIDAE)
- spinigera, Melanopsis spinigera Seninski, 1905 † - (MELANOPSIDAE) (FOSSIL)
- spinigera, Nassaria spinigera (S. Hayashi & T. Habe, 1965) - (NASSARIIDAE)
- spinigera, Neritopsis spinigera J. Szabo, 1982 † - (NERITOPSIDAE) (FOSSIL)
- spinigera, Strobilepis spinigera A.H. Clarke, 1888 † - (STROBILEPIDAE) (FOSSIL)
- spinigera, Negulus boettgeri spinigera C.M. Cooke & H.A. Pilsbry, 1920 - (VERTIGINIDAE)
- SPINIGERIDAE - syn of Family: SPINILOMATIDAE (FOSSIL)
- Spinigeropsis, Genus Spinigeropsis Squires & Saul, 2001 (SPINILOMATIDAE) (FOSSIL)
- spinigerum, Euaspidoceras spinigerum Jeannet, 1951 † - (ASPIDOCERATIDAE) (FOSSIL)
- spinigerum, Cerithium spinigerum K. Martin, 1884 - syn of: Argyropeza divina J.C. Melvill & R. Standen, 1901 - (CERITHIIDAE)
- spinigerus, Leptodesma spinigerus T.A. Conrad † - (PTERINEIDAE) (FOSSIL)
- Spinikosmoceras, Genus Spinikosmoceras Buckman, 1924 (KOSMOCERATIDAE) (FOSSIL)
- Spiniloma, Genus Spiniloma Grόndel & al., 2009 (SPINILOMATIDAE) (FOSSIL)
- SPINILOMATIDAE Grόndel, Nόtzel & Schulbert, 2009 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-STROMBOIDEA [Superfamily]) (FOSSIL)
- Spiniomphalus, Genus Spiniomphalus Nόtzel & Erwin, 2004 (DISCOHELICIDAE) (FOSSIL)
- Spiniphiline, Genus Spiniphiline T.M. Gosliner, 1988 (PHILINIDAE)
- Spiniplicata, syn of: Genus Plicatula J.B.P.A. Lamarck, 1801 (PLICATULIDAE)
- Spiniplicatula, syn of: Genus Plicatula J.B.P.A. Lamarck, 1801 (PLICATULIDAE)
- Spiniplicatula, syn of: Genus Plicatula J.B.P.A. Lamarck, 1801 (PLICATULIDAE)
- spiniplicatus, Olenikites spiniplicatus (Mojsisovics, 1886 †) - (SIBIRITIDAE) (FOSSIL)
- spinipoma, Troschelviana spinipoma (C.G. Aguayo, 1943) - (HELICINIDAE)
- spinirectus, Siphonochelus spinirectus E.H. Vokes, 1989 † - (MURICIDAE) (FOSSIL)
- spinis mollibus, Aeolidia spinis mollibus J. Baster, 1762 - syn of: Aeolidia papillosa (C. Linnaeus, 1761) - (AEOLIDIIDAE)
- Spiniscala, syn of: Genus Epitonium P.F. Rφding, 1798 (EPITONIIDAE)
- Spinoaglaja, Genus Spinoaglaja J.A. Ortea, L. Moro & J. Espinosa, 2007 (AGLAJIDAE)
- spinobrachialis, Carminodoris spinobrachialis J.A. Ortea & I. Martínez, 1992 - syn of: Carminodoris spinobranchialis J.A. Ortea & I. Martínez, 1992 - (DISCODORIDIDAE)
- spinobranchialis, Carminodoris spinobranchialis J.A. Ortea & I. Martínez, 1992 - (DISCODORIDIDAE)
- Spinoclymenia, Subgenus Platyclymenia (Spinoclymenia) Bogoslovsky, 1962 (PLATYCLYMENIIDAE) (FOSSIL)
- spinocostatus, Aviculopecten spinocostatus F.S. Xu, 1980 † - syn of: Aviculopecten yunnanensis H. Guo, 1985 † - (AVICULOPECTINIDAE) (FOSSIL)
- Spinocrioceras, Genus Spinocrioceras Kemper 1973 (CRIOCERATITIDAE) (FOSSIL)
- spinoda, Sellaclymenia spinoda A. Schmidt, 1924 † - syn of: Sellaclymenia torleyi (Wedekind, 1914 †) - (SELLACLYMENIIDAE) (FOSSIL)
- spinogula, Architectonica spinogula C.R. Laws, 1941 † - (ARCHITECTONICIDAE) (FOSSIL)
- Spinokosmoceras, syn of: Genus Spinikosmoceras Buckman, 1924 (KOSMOCERATIDAE) (FOSSIL)
- spinolae, Janolus spinolae J.B. Vérany, 1846 - syn of: Janolus cristatus (S. Delle Chiaje, 1841) - (PROCTONOTIDAE)
- Spinoleiophyllites, Genus Spinoleiophyllites Liao, 1978 (USSURITIDAE) (FOSSIL)
- Spinolyonsiella, syn of: Genus Lyonsia W.H. Turton, 1822 (LYONSIIDAE)
- Spinomelon, Genus Spinomelon Marwick, 1926 (VOLUTIDAE)
- spinonodosum, Elephantoceras spinonodosum J.K. Zhao & Zheng, 1977 † - (PSEUDOHALORITIDAE) (FOSSIL)
- Spinophallus, Subgenus Lindbergia (Spinophallus) F. Riedel, 1962 (PRISTILOMATIDAE)
- spinoreticulatum, Raphitoma spinoreticulatum Gürs, 2001 † - (RAPHITOMIDAE) (FOSSIL)
- spinosa, Astrangaria spinosa (Briart & Cornet, 1887 †) - (ANGARIIDAE) (FOSSIL)
- spinosa, Heteranomia spinosa L.A. Reeve, 1859 - syn of: Heteranomia squamula (C. Linnaeus, 1758) - (ANOMIIDAE)
- spinosa, Spinigera spinosa Münster, 1841 † - syn of: Spiniloma spinosa (Münster, 1841 †) - (APORRHAIDAE) (FOSSIL)
- spinosa, Yunnania spinosa A. Nützel & Senowbari-Daryan, 1999 † - (ARAEONEMATIDAE) (FOSSIL)
- spinosa, Clea spinosa P. Temcharoen, 1971 - (BUCCINIDAE)
- spinosa, Bufonaria spinosa G. Perry, 1811 - syn of: Bufonaria echinata (J.H.F. Link, 1807) - (BURSIDAE)
- spinosa, Bufonaria spinosa J.B.P.A. Lamarck, 1816 - syn of: Bufonaria echinata (J.H.F. Link, 1807) - (BURSIDAE)
- spinosa, Bursa spinosa H.C.F. Schumacher, 1817 - syn of: Bufonaria echinata (J.H.F. Link, 1807) - (BURSIDAE)
- spinosa, Bufonaria spinosa H.C.F. Schumacher, 1817 - syn of: Bufonaria echinata (J.H.F. Link, 1807) - (BURSIDAE)
- spinosa, Bufonaria spinosa J.B.P.A. Lamarck, 1816 - syn of: Bufonaria echinata (J.H.F. Link, 1807) - (BURSIDAE)
- spinosa, Spinicalliotropis spinosa (G.T. Poppe, S.P. Tagaro & H. Dekker, 2006) - (CALLIOTROPIDAE)
- spinosa, Crepidula spinosa T.A. Conrad, 1843 - syn of: Bostrycapulus aculeatus (J.F. Gmelin, 1791) - (CALYPTRAEIDAE)
- spinosa, Cancellaria spinosa J.P.S. Grateloup, 1827 - (CANCELLARIIDAE)
- spinosa, Farisia spinosa (Dareste 1910) † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- spinosa, Acanthocardia spinosa (J. Lightfoot, 1786) - (CARDIIDAE)
- spinosa, Acanthocardia spinosa (D.C. Solander, 1786 †) - (CARDIIDAE) (FOSSIL)
- spinosa, Cardium spinosa W.J. Swainson, 1840 - syn of: Corculum cardissa (C. Linnaeus, 1758) - (CARDIIDAE)
- spinosa, Cassis spinosa G.P. Deshayes, 1844 - syn of: Cassis tessellata (J.F. Gmelin, 1791) - (CASSIDAE)
- spinosa, Cassis spinosa T. Iredale, 1927 - syn of: Cassis tessellata (J.F. Gmelin, 1791) - (CASSIDAE)
- spinosa, Cassis spinosa (J.F. Gronovius, 1781) - syn of: Cassis tessellata (J.F. Gmelin, 1791) - (CASSIDAE)
- spinosa, Diacria spinosa (C.A. Lesueur, 1821) - (CAVOLINIIDAE)
- spinosa, Marshallopsis spinosa A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- spinosa, Chama spinosa W.J. Broderip, 1835 - syn of: Chama asperella J.B.P.A. Lamarck, 1819 - (CHAMIDAE)
- spinosa, Arcinella spinosa H.C.F. Schumacher, 1817 - syn of: Arcinella arcinella (C. Linnaeus, 1767) - (CHAMIDAE)
- spinosa, Cheeneetnukia spinosa (B. Phillips, 1841 †) - (CHEENEETNUKIIDAE) (FOSSIL)
- spinosa, Acanthopleura spinosa (J.G. Bruguière, 1792) - (CHITONIDAE)
- spinosa, Clavatula asperulata spinosa (J.L.M. Defrance, 1846) - (CLAVATULIDAE)
- spinosa, Clymenia spinosa G.G. Münster, 1842 † - syn of: Trigonoclymenia spinosa (G.G. Münster, 1842 †) - (CLYMENIIDAE) (FOSSIL)
- spinosa, Diplommatina spinosa H.H. Godwin-Austen, 1889 - (DIPLOMMATINIDAE)
- spinosa, Atagema spinosa (J.J. Risbec, 1928) - (DISCODORIDIDAE)
- spinosa, Clavus spinosa E.A. Smith, 1882 - syn of: Clavus berenice (W.H. Dall, 1918) - (DRILLIIDAE)
- spinosa, Cycloscala spinosa T. Nakayama, 2000 - (EPITONIIDAE)
- spinosa, Hyaloscala spinosa J.G. Jeffreys, 1884 - syn of: Epitonium clathratulum Turton, 1806 - (EPITONIIDAE)
- spinosa, Euciroa spinosa K.H.J. Thiele & S.G.A. Jaeckel, 1931 - (EUCIROIDAE)
- spinosa, Eucycloscala spinosa (Klipstein, 1843 †) - (EUCYCLOSCALIDAE) (FOSSIL)
- spinosa, Melanella spinosa W.R.B. Oliver, 1915 - (EULIMIDAE)
- spinosa, Linsleyella spinosa (Salter, 1859 †) - (EUOMPHALIDAE) (FOSSIL)
- spinosa, Latirus spinosa J.E. Gray, 1838 - syn of: Hemipolygona armata (Adams, 1855) - (FASCIOLARIIDAE)
- spinosa, Emarginula spinosa G.P. Deshayes, 1863 - (FISSURELLIDAE)
- spinosa, Otoclymenia spinosa Bogoslovsky, 1981 † - (GONIOCLYMENIIDAE) (FOSSIL)
- spinosa, Promathildia spinosa Ferrari & Damborenea, 2015 † - (GORDENELLIDAE) (FOSSIL)
- spinosa, Chlupacispira spinosa Blodgett & Rohr, 1989 † - (GOSSELETINIDAE) (FOSSIL)
- spinosa, Haloceras spinosa A. Warén & P. Bouchet, 1991 - (HALOCERATIDAE)
- spinosa, Helicotoma spinosa Salter, 1859 † - syn of: Linsleyella spinosa (Salter, 1859 †) - (HELICOTOMIDAE) (FOSSIL)
- spinosa, Cyclostrema spinosa J.E. Tenison-Woods, 1877 - (LIOTIIDAE)
- spinosa, Myrtina spinosa Glover & J.D. Taylor, 2016 - (LUCINIDAE)
- spinosa, Melanopsis bouei spinosa Handmann, 1882 † - (MELANOPSIDAE) (FOSSIL)
- spinosa, Wuxuanella spinosa B. Phillips, 1841 † - syn of: Cheeneetnukia spinosa (B. Phillips, 1841 †) - (MURCHISONIIDAE) (FOSSIL)
- spinosa, Murchisonia spinosa B. Phillips, 1841 † - syn of: Cheeneetnukia spinosa (B. Phillips, 1841 †) - (MURCHISONIIDAE) (FOSSIL)
- spinosa, Morula spinosa (H. Adams & A. Adams, 1853) - (MURICIDAE)
- spinosa, Drupa spinosa H. Adams & A. Adams, 1853 - syn of: Morula spinosa (H. Adams & A. Adams, 1853) - (MURICIDAE)
- spinosa, Habromorula spinosa H. Adams & A. Adams, 1853 - syn of: Morula spinosa (H. Adams & A. Adams, 1853) - (MURICIDAE)
- spinosa, Ostrea spinosa G.P. Deshayes, 1836 - syn of: Saccostrea echinata (J.R.C. Quoy & J.P. Gaimard, 1835) - (OSTREIDAE)
- spinosa, Madagasikara spinosa (J.B.P.A. Lamarck, 1819) - (PACHYCHILIDAE)
- spinosa, Patella spinosa G. Fischer von Waldheim, 1807 - syn of: Scutellastra barbara (C. Linnaeus, 1758) - (PATELLIDAE)
- spinosa, Patella spinosa J.F. Gmelin, 1791 - syn of: Fissurella nodosa (I. von Born, 1778) - (PATELLIDAE)
- spinosa, Jouannetia spinosa T. Haga & T. Kase, 2008 - (PHOLADIDAE)
- spinosa, Barnea spinosa A. Risso, 1826 - syn of: Barnea candida (C. Linnaeus, 1758) - (PHOLADIDAE)
- spinosa, Lamellospira spinosa Batten, 1989 † - (PHYMATOPLEURIDAE) (FOSSIL)
- spinosa, Mareleptopoma spinosa (C. Hedley, 1902) - (PICKWORTHIIDAE)
- spinosa, Spinyplatyceras spinosa (G.A. Goldfuss, 1844 †) - (PLATYCERATIDAE) (FOSSIL)
- spinosa, Trigonoclymenia spinosa (G.G. Münster, 1842 †) - (PLATYCLYMENIIDAE) (FOSSIL)
- spinosa, Plicatula spinosa J. de C. Sowerby, 1819 † - (PLICATULIDAE) (FOSSIL)
- spinosa, Pachydrobia spinosa N.J. Poirier, 1881 - (POMATIOPSIDAE)
- spinosa, Tapinotomaria spinosa Batten, 1966 † - (PORTLOCKIELLIDAE) (FOSSIL)
- spinosa, Desbruyeresia spinosa A. Warén & P. Bouchet, 1993 - (PROVANNIDAE)
- spinosa, Labidoherpia spinosa (K.H.J. Thiele, 1913) - (PRUVOTINIDAE)
- spinosa, Pseudomonotis spinosa Sayre, 1930 † - (PSEUDOMONOTIDAE) (FOSSIL)
- spinosa, Oistotrigonia spinosa (Parkinson, 1811) † - (PTEROTRIGONIIDAE) (FOSSIL)
- spinosa, Ranella spinosa J.B.P.A. Lamarck, 1816 - syn of: Bufonaria echinata (J.H.F. Link, 1807) - (RANELLIDAE)
- spinosa, Pleurotomella spinosa P. Lozouet, 2015 - (RAPHITOMIDAE)
- spinosa, Reineckeia spinosa Jeannet, 1951 † - (REINECKEIIDAE) (FOSSIL)
- spinosa, Moniloretusa spinosa N.F. Sohl, 1963 † - (RETUSIDAE) (FOSSIL)
- spinosa, Ribeiria spinosa Babin & Branisa, 1987 † - (RIBEIRIIDAE) (FOSSIL)
- spinosa, Alvania spinosa (T.A. de M. Monterosato, 1890) - (RISSOIDAE)
- spinosa, Scissurella spinosa D.L. Geiger & P. Jansen, 2004 - (SCISSURELLIDAE)
- spinosa, Siphonaria spinosa L.A. Reeve, 1856 - (SIPHONARIIDAE)
- spinosa, Sonninia spinosa Buckman † - (SONNINIIDAE) (FOSSIL)
- spinosa, Speightia spinosa Finlay, 1926 † - (SPEIGHTIIDAE) (FOSSIL)
- spinosa, Spiniloma spinosa (Münster, 1841 †) - (SPINILOMATIDAE) (FOSSIL)
- spinosa, Spondylus gaederopus spinosa P.M. Pallary, 1904 - (SPONDYLIDAE)
- spinosa, Stenothyra spinosa R.A.M. Brandt, 1974 - (STENOTHYRIDAE)
- spinosa, Juventigulella spinosa P. Tattersfield, 1998 - (STREPTAXIDAE)
- spinosa, Anamenia spinosa (H. Heath, 1911) - (STROPHOMENIIDAE)
- spinosa, Callusaria spinosa (J. Hector, 1886 † †) - (STRUTHIOLARIIDAE) (FOSSIL)
- spinosa, Arcopagia spinosa S.C.T. Hanley, 1844 † - (TELLINIDAE) (FOSSIL)
- spinosa, Melania spinosa S.C.T. Hanley, 1854 - syn of: Brotia costula (C.S. Rafinesque, 1833) - (THIARIDAE)
- spinosa, Semitubina spinosa (F.A. von Quenstedt, 1852 †) - (TUBINIDAE) (FOSSIL)
- spinosa, Tudicula spinosa H. Adams & A. Adams, 1864 - syn of: Tudivasum spinosum (H. Adams & A. Adams, 1864) - (TURBINELLIDAE)
- spinosa, Turbinella spinosa G.P. Deshayes, 1843 - syn of: Peristernia columbarium (J.F. Gmelin, 1791) - (TURBINELLIDAE)
- spinosa, Turbinella spinosa R.A. Philippi, 1845 - syn of: Latirus spinosus (R.A. Philippi, 1845) - (TURBINELLIDAE)
- spinosa, Elliptio spinosa I. Lea, 1836 - (UNIONIDAE)
- spinosa, Haliris spinosa F.R. Bernard, 1969 - syn of: Haliris aequacostata (F.B. Howard, 1950) - (VERTICORDIIDAE)
- spinosa, Volutospina spinosa (C. Linnaeus, 1758 †) - (VOLUTIDAE) (FOSSIL)
- spinosa dorsocava, Platyclymenia spinosa dorsocava Schindewolf, 1923 † - syn of: Trigonoclymenia dorsocava (Schindewolf, 1923 †) - (PLATYCLYMENIIDAE) (FOSSIL)
- spinosa granosa, Ranella spinosa granosa K. Martin, 1884 † - syn of: Bufonaria granosa (K. Martin, 1884 †) - (RANELLIDAE) (FOSSIL)
- spinosa turboides, Cheeneetnukia spinosa turboides (Winterfeld, 1894 †) - (CHEENEETNUKIIDAE) (FOSSIL)
- spinosae, Lepetella spinosae L. Dantart & A.A. Luque, 1994 - syn of: Lepetella espinosae L. Dantart & A.A. Luque, 1994 - (LEPETELLIDAE)
- Spinoseila, Genus Spinoseila Maxwell, 1992 (CERITHIOPSIDAE) (FOSSIL)
- spinosetatus, Rhyssoplax spinosetatus J.R.M. Bergenhayn, 1930 - (CHITONIDAE)
- spinosifrons, Agnocardia spinosifrons E.H. Vokes, 1984 † - (CARDIIDAE) (FOSSIL)
- Spinosipella, Genus Spinosipella T. Iredale, 1930 (VERTICORDIIDAE)
- spinosissima, Planispira spinosissima C.G. Semper - (CAMAENIDAE)
- spinosissima, Raphitoma spinosissima B.M. Landau & al., 2013 † - (RAPHITOMIDAE) (FOSSIL)
- spinosissimum, Xenopoma spinosissimum C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- spinosissimus, Gunnarites spinosissimus Wetzel, 1930 † - (KOSSMATICERATIDAE) (FOSSIL)
- Spinostoma, syn of: Genus Ceratostoma Herrmannsen, 1846 (MURICIDAE)
- spinosula, Patella spinosula F.C. Meuschen, 1787 - syn of: Patella ulyssiponensis J.F. Gmelin, 1791 - (PATELLIDAE)
- spinosula, Aequipecten tehuelchus spinosula (A.R.J.B. Bavay, 1906) - (PECTINIDAE)
- spinosula, Poromya spinosula K.H.J. Thiele, 1912 - (POROMYIDAE)
- spinosula, Folinella spinosula P. Micali, 1992 † - (PYRAMIDELLIDAE) (FOSSIL)
- spinosum, Newboldiceras asiaticum spinosum (Kossmat, 1897 †) - (ACANTHOCERATIDAE) (FOSSIL)
- spinosum, Pseudagathiceras spinosum Miller, 1944 † - (ADRIANITIDAE) (FOSSIL)
- spinosum, Sohlites spinosum Imlay, 1967 † - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- spinosum, Tropaeum spinosum Kemper, 1964 † - (ANCYLOCERATIDAE) (FOSSIL)
- spinosum, Cantabrigites spinosum (Pervinquière, 1907 †) - (BRANCOCERATIDAE) (FOSSIL)
- spinosum, Crucibulum spinosum (G.B. I Sowerby, 1824) - (CALYPTRAEIDAE)
- spinosum, Acanthocardia spinosum J. de C. Sowerby, 1804 - syn of: Acanthocardia aculeata (C. Linnaeus, 1758) - (CARDIIDAE)
- spinosum, Cardium spinosum F.C. Meuschen, 1787 - syn of: Papyridea lata (I. von Born, 1778) - (CARDIIDAE)
- spinosum, Cerithium spinosum R.A. Philippi, 1836 - (CERITHIIDAE)
- spinosum, Hystricoceras spinosum Jahn, 1894 † - (EUOMPHALIDAE) (FOSSIL)
- spinosum, Ceratostreon spinosum (Matheron, 1842 †) - (GRYPHAEIDAE) (FOSSIL)
- spinosum, Kosmoceras spinosum Sowerby, 1826 † - (KOSMOCERATIDAE) (FOSSIL)
- spinosum, Gowericeras spinosum Imlay, 1953 † - (KOSMOCERATIDAE) (FOSSIL)
- spinosum, Clithon spinosum (G.B. I Sowerby, 1825) - (NERITIDAE)
- spinosum, Aulacogastrioceras spinosum J.K. Zhao & Zheng, 1977 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- spinosum, Platyceras rictum spinosum Kindle, 1900 † - (PLATYCERATIDAE) (FOSSIL)
- spinosum, Pentagonoceras spinosum J.K. Zhao & al., 1978 † - (PLEURONODOCERATIDAE) (FOSSIL)
- spinosum, Stenotrema spinosum H.C. Lea, 1830 - (POLYGYRIDAE)
- spinosum, Leptoceras spinosum Stahlecker, 1935 † - (PROTANCYLOCERATIDAE) (FOSSIL)
- spinosum, Charonia spinosum (M. Rouault, 1849 †) - (RANELLIDAE) (FOSSIL)
- spinosum, Tudivasum spinosum (H. Adams & A. Adams, 1864) - (TURBINELLIDAE)
- spinosum turtoni, Papyridea spinosum turtoni W.H. Dall, 1900 - syn of: Papyridea soleniformis (J.G. Bruguière, 1789) - (CARDIIDAE)
- spinosus, Benueites spinosus Reyment, 1954 † - syn of: Benueites mosquerae (D.L.G. Karsten, 1886 †) - (ACANTHOCERATIDAE) (FOSSIL)
- spinosus, Brackites spinosus Monnet & Bucher, 2005 † - (CERATITIDAE) (FOSSIL)
- spinosus, Cirrus spinosus C.L.F. von Sandberger & C.L.F. von Sandberger, 1854 † - syn of: Omphalocirrus spinosus (C.L.F. von Sandberger & C.L.F. von Sandberger, 1854 †) - (CIRRIDAE) (FOSSIL)
- spinosus, Pyrgophorus spinosus (R.E. Call & H.A. Pilsbry, 1886) - (COCHLIOPIDAE)
- spinosus, Crioceratites spinosus Dimitrova, 1967 † - syn of: Davouxiceras spinosus (Dimitrova, 1967 †) - (CRIOCERATITIDAE) (FOSSIL)
- spinosus, Donax spinosus J.F. Gmelin, 1791 - (DONACIDAE)
- spinosus, Dzhulfites spinosus Shevyrev, 1965 † - (DZHULFITIDAE) (FOSSIL)
- spinosus, Davouxiceras spinosus (Dimitrova, 1967 †) - (EMERICICERATIDAE) (FOSSIL)
- spinosus, Latirus spinosus (R.A. Philippi, 1845) - (FASCIOLARIIDAE)
- spinosus, Bellifusus spinosus N.F. Sohl, 1964 † - (FASCIOLARIIDAE) (FOSSIL)
- spinosus, Girtypecten spinosus C. Chen, 1962 † - (HETEROPECTINIDAE) (FOSSIL)
- spinosus, Hiatella spinosus W.E. Leach, 1822 - syn of: Hiatella arctica (C. Linnaeus, 1767) - (HIATELLIDAE)
- spinosus, Hatayin spinosus Karacabey-öztemür & Selcuk, 1981 † - (HIPPURITIDA (UNASSIGNED)) (FOSSIL)
- spinosus, Acanthopecten spinosus I. Hayasaka, 1925 † - (LIMIPECTINIDAE) (FOSSIL)
- spinosus, Lyocyclus spinosus K.H.J. Thiele, 1925 - (LYOCYCLIDAE)
- spinosus, Kericserites spinosus Geczy & Meister, 2007 † - (LYTOCERATIDAE) (FOSSIL)
- spinosus, Pseudomyicola spinosus Raffaele & F.S. Monticelli, 1885 - syn of: Mactra quadrangularis L.A. Reeve, 1854 - (MACTRIDAE)
- spinosus, Dermomurex spinosus Garrigues & Lamy, 2017 - (MURICIDAE)
- spinosus, Babelomurex spinosus (Y. Hirase, 1908) - (MURICIDAE)
- spinosus, Pentadactylus spinosus H. Adams & A. Adams, 1853 - syn of: Morula spinosa (H. Adams & A. Adams, 1853) - (MURICIDAE)
- spinosus, Murex spinosus A. Adams, 1853 - syn of: Hexaplex kusterianus (C.M. Tapparone-Canefri, 1875) - (MURICIDAE)
- spinosus, Octopus spinosus M. Sasaki, 1920 - (OCTOPODIDAE)
- spinosus, Omphalocirrus spinosus (C.L.F. von Sandberger & C.L.F. von Sandberger, 1854 †) - (OMPHALOCIRRIDAE) (FOSSIL)
- spinosus, Omphalotrochus spinosus E.L. Yochelson, 1956 † - (OMPHALOTROCHIDAE) (FOSSIL)
- spinosus, Chlamys spinosus T. Brown, 1827 - syn of: Talochlamys pusio (C. Linnaeus, 1758) - (PECTINIDAE)
- spinosus, Pyropsis spinosus B. Wade, 1926 † - (PERISSITYIDAE) (FOSSIL)
- spinosus, Porcellia spinosus G.A. Goldfuss, 1844 † - (PORCELLIIDAE) (FOSSIL)
- spinosus, Syrnola spinosus B. Wade 1926 - (PYRAMIDELLIDAE)
- spinosus, Spondylus spinosus K. Schreibers, 1793 - (SPONDYLIDAE)
- spinosus, Quadrans spinosus (S.C.T. Hanley, 1844) - (TELLINIDAE)
- spinosus, Acanthothetidites spinosus Tatzreiter, 1980 † - (THETIDITIDAE) (FOSSIL)
- spinosus, Tirolites spinosus Mojsisovics, 1892 † - syn of: Tirolites cassianus (F.A. von Quenstedt, 1845 †) - (TIROLITIDAE) (FOSSIL)
- spinosus, Vasum spinosus G. Fischer von Waldheim, 1807 - syn of: Vasum ceramicum (C. Linnaeus, 1758) - (TURBINELLIDAE)
- spinosus, Turbo radiatus spinosus J.F. Gmelin, 1791 - (TURBINIDAE)
- spinosus, Schistodesmus spinosus C.T. Simpson, 1900 - (UNIONIDAE)
- spinosus brevispira, Pyrgulopsis spinosus brevispira C.M.F. Ancey, 1888 - syn of: Pyrgophorus spinosus (R.E. Call & H.A. Pilsbry, 1886) - (HYDROBIIDAE)
- Spinucella, Genus Spinucella Vermeij, 1993 (MURICIDAE) (FOSSIL)
- Spinula, syn of: Genus Bathyspinula J.A. Allen & A. Sanders, 1982 (BATHYSPINULIDAE)
- spinula, Dentiphaedusa spinula (P.M. Heude, 1882) - (CLAUSILIIDAE)
- spinula, Helix spinula A. Villa, 1841 - syn of: Pyramidula rupestris (J.P.R. Draparnaud, 1801) - (HELICIDAE)
- spinula, Conchatalos spinula R. Houart & V. Héros, 2008 - (MURICIDAE)
- spinula clavulus, Dentiphaedusa spinula clavulus (P.M. Heude, 1886) - (CLAUSILIIDAE)
- spinula diaconalis, Dentiphaedusa spinula diaconalis (P.M. Heude, 1889) - (CLAUSILIIDAE)
- Spinulaphaedusa, syn of: Genus Tyrannophaedusa H.A. Pilsbry, 1901 (CLAUSILIIDAE)
- spinulata, Brookula spinulata R.S. Absalão, M. Miyaji & A. Pimenta, 2001 - (SEGUENZIOIDEA (UNASSIGNED))
- spinulatum, Columbarium spinulatum A.E.M. Cossmann, 1901 † - (TURBINELLIDAE) (FOSSIL)
- spinulentum, Procerithium spinulentum Yamnichenko, 1987 † - syn of: Cryptaulax pseudoechinatus Gerasimov, 1955 † - (PROCERITHIIDAE) (FOSSIL)
- SPINULIDAE - syn of Family: BATHYSPINULIDAE
- spinuliformis, Ledellina spinuliformis F.R. Bernard, 1989 - syn of: Ledellina convexirostrata Z.A. Filatova & A.A. Schileyko, 1984 - (NUCULANIDAE)
- Spinulitheca, Genus Spinulitheca Sysoiev, 1968 (SPINULITHECIDAE) (FOSSIL)
- SPINULITHECIDAE Sysoev, 1968 - Family (HYOLITHA-CIRCOTHECIDA [Order]) (FOSSIL)
- spinulocostatus, Ammonites spinulocostatus Klipstein, 1843 † - (AMMONITIDA (UNASSIGNED)) (FOSSIL)
- spinulosa, Alaria spinulosa W.H. Hudleston, 1888 † - (APORRHAIDAE) (FOSSIL)
- spinulosa, Calliotropis spinulosa (M.M. Schepman, 1908) - (CALLIOTROPIDAE)
- spinulosa, Cardita spinulosa R. Tate, 1886 † - (CARDITIDAE) (FOSSIL)
- spinulosa, Chaetopleura spinulosa (J.E. Gray, 1828) - (CHAETOPLEURIDAE)
- spinulosa, Sclerodoris spinulosa (G.P. Farran, 1905) - (DISCODORIDIDAE)
- spinulosa, Eucycloscala spinulosa (Klipstein, 1843 †) - (EUCYCLOSCALIDAE) (FOSSIL)
- spinulosa, Limatula spinulosa C.A. Fleming, 1978 - (LIMIDAE)
- spinulosa, Littorina spinulosa R.A. Philippi, 1847 - syn of: Tectarius spinulosus (R.A. Philippi, 1847) - (LITTORINIDAE)
- spinulosa, Gonimyrtea spinulosa (F.E. Edwards, 1866 †) - (LUCINIDAE) (FOSSIL)
- spinulosa, Codakia spinulosa W.H. Dall, 1903 † - (LUCINIDAE) (FOSSIL)
- spinulosa, Lucina spinulosa F.E. Edwards, 1866 † - syn of: Gonimyrtea spinulosa (F.E. Edwards, 1866 †) - (LUCINIDAE) (FOSSIL)
- spinulosa, Flexopteron spinulosa (G.P. Deshayes, 1865 †) - (MURICIDAE) (FOSSIL)
- spinulosa, Muricopsis spinulosa O.G. Costa, 1861 - syn of: Murexsul aradasii (T.A. de M. Monterosato in N.J. Poirier, 1883) - (MURICIDAE)
- spinulosa, Muricopsis cristatus spinulosa L. Stalio in G.S. Coen, 1933 - (MURICIDAE)
- spinulosa, Berriasella spinulosa Gerth 1925 † - (NEOCOMITIDAE) (FOSSIL)
- spinulosa, Patella spinulosa O.A.L. Mörch, 1852 - syn of: Patella ulyssiponensis J.F. Gmelin, 1791 - (PATELLIDAE)
- spinulosa, Aequipecten spinulosa A.R.J.B. Bavay, 1906 - syn of: Aequipecten tehuelchus spinosula (A.R.J.B. Bavay, 1906) - (PECTINIDAE)
- spinulosa, Annularia spinulosa C.B. Adams, 1849 - (POMATIIDAE)
- spinulosa, Poromya spinulosa K.H.J. Thiele, 1912 - (POROMYIDAE)
- spinulosa, Phosinella spinulosa Paulmier, 2017 - (RISSOINIDAE)
- spinulosa, Granigyra spinulosa K.J. Bush, 1897 - (SEGUENZIOIDEA (UNASSIGNED))
- spinulosa, Thiara scabra spinulosa (J.B.P.A. Lamarck) - (THIARIDAE)
- spinulosa, Acanthinula spinulosa J. Lightfoot, 1786 - syn of: Acanthinula aculeata (O.F. Müller, 1774) - (VALLONIIDAE)
- spinulosa, Voluta spinulosa G.B. Brocchi, 1814 - syn of: Sveltia lyrata (G.B. Brocchi, 1814) - (VOLUTIDAE)
- spinulosa obsoleta, Muricopsis spinulosa obsoleta F. Nordsieck, 1972 - syn of: Muricopsis cristatus (G.B. Brocchi, 1814) - (MURICIDAE)
- spinulosum, Dipoloceroides spinulosum (Spath, 1931 †) - (BRANCOCERATIDAE) (FOSSIL)
- spinulosum, Craspedostoma spinulosum Lindström, 1884 † - (CRASPEDOSTOMATIDAE) (FOSSIL)
- spinulosum, Micracanthoceras spinulosum (Gerth, 1925 †) - (HIMALAYITIDAE) (FOSSIL)
- spinulosum, Astraea spinulosum J.B.P.A. Lamarck, 1822 - syn of: Lithopoma phoebium (P.F. Röding, 1798) - (TURBINIDAE)
- spinulosus, Laetifautor spinulosus (R. Tate, 1893) - (CALLIOSTOMATIDAE)
- spinulosus, Permophorus spinulosus Morningstar † - (KALENTERIDAE) (FOSSIL)
- spinulosus, Tectarius spinulosus (R.A. Philippi, 1847) - (LITTORINIDAE)
- spinulosus, Murex spinulosus O.G. Costa, 1861 - syn of: Murexsul aradasii (T.A. de M. Monterosato in N.J. Poirier, 1883) - (MURICIDAE)
- spinulosus, Armiger spinulosus S. Clessin, 1873 - syn of: Gyraulus crista (C. Linnaeus, 1758) - (PLANORBIDAE)
- spinulosus, Spondylus spinulosus H.C. Küster, 1858 - syn of: Spondylus echinatus K. Schreibers, 1793 - (SPONDYLIDAE)
- spinulosus, Vermetus spinulosus K.H.J. Thiele, 1925 - (VERMETIDAE)
- Spinulrichospira, Genus Spinulrichospira Blodgett & Rohr, 1989 (GOSSELETINIDAE) (FOSSIL)
- spinusosus, Turbo spinusosus Münster, 1844 † - syn of: Ambercyclus murchisoni (Münster, 1844 †) - (TURBINIDAE) (FOSSIL)
- Spinyplatyceras, Genus Spinyplatyceras Blodgett & Frύda, 1999 (PLATYCERATIDAE) (FOSSIL)
- spioinsula, Trivirostra spioinsula C.N. Cate, 1979 - (TRIVIIDAE)
- Spiomenia, Genus Spiomenia P. Arnofsky, 2000 (SIMROTHIELLIDAE)
- spionsula, Trivia spionsula C.N. Cate, 1979 - syn of: Trivirostra spioinsula C.N. Cate, 1979 - (TRIVIIDAE)
- spira, Triredimiculum spira C.O. Waterhouse, 1983 † - (LOPHOSPIRIDAE) (FOSSIL)
- spiracellum, Chamalycaeus spiracellum (A. Adams & L.A. Reeve, 1860) - (CYCLOPHORIDAE)
- Spiracilla, syn of: Genus Ancilla J.B.P.A. Lamarck, 1799 (ANCILLARIIDAE)
- Spiractaeon, Genus Spiractaeon Meek, 1863 (CEPHALASPIDA (UNASSIGNED)) (FOSSIL)
- spiraculata, Doris spiraculata A.A. Gould, 1852 - (DORIDIDAE)
- Spiraculinella, Genus Spiraculinella Waterhouse , 1987 (GOSSELETINIDAE) (FOSSIL)
- Spiraculum, Genus Spiraculum Pearson, 1833 (CYCLOPHORIDAE)
- Spiracutum, syn of: Subgenus Pearsonia (Pseudospiraculum) W. Kobelt, 1902 (CYCLOPHORIDAE)
- Spiradaphne, Genus Spiradaphne MacNeil, 1984 (RAPHITOMIDAE) (FOSSIL)
- spiraglobosum, Rhenozyga spiraglobosum (Kirchner, 1915 †) - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- spirala, Calyptraea spirala (E. Forbes, 1852) - (CALYPTRAEIDAE)
- spirale, Antigyroceras spirale I.S. Barskov, 1972 † - syn of: Endoplectoceras spirale (I.S. Barskov, 1972 †) - (DISCOSORIDA (unassigned)) (FOSSIL)
- spirale, Palaeoechioceras spirale (Trueman & Williams, 1927 †) - (ECHIOCERATIDAE) (FOSSIL)
- spirale, Woosteroceras spirale Flower, 1964 † - (ELLESMEROCERATIDAE) (FOSSIL)
- spirale, Metaderoceras spirale (Venturi & al., 2007 †) - (EODEROCERATIDAE) (FOSSIL)
- spirale, Spiniclaviceras spirale Venturi & al., 2007 † - syn of: Metaderoceras spirale (Venturi & al., 2007 †) - (EODEROCERATIDAE) (FOSSIL)
- spirale, Neoglyphioceras spirale (B. Phillips, 1841 †) - (GONIATITIDAE) (FOSSIL)
- spirale, Macrodiceras spirale Karczewski, 1969 † - (LASAEIDAE) (FOSSIL)
- spirale, Metalegoceras spirale J.K. Zhao & Zheng, 1977 † - (METALEGOCERATIDAE) (FOSSIL)
- spirale, Globisinum spirale (P. Marshall, 1917 †) - (NATICIDAE) (FOSSIL)
- spirale, Neripteron spirale (L.A. Reeve, 1856) - (NERITIDAE)
- spirale, Synpharciceras spirale Bockwinkel & al., 2009 † - (PHARCICERATIDAE) (FOSSIL)
- spirale, Endoplectoceras spirale (I.S. Barskov, 1972 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- spirale, Platyceras spirale J.W. Hall, 1859 † - (PLATYCERATIDAE) (FOSSIL)
- spirale, Terebellum spirale G. Perry, 1811 - syn of: Terebellum terebellum (C. Linnaeus, 1758) - (SERAPHSIDAE)
- spirale, Skaptotion spirale Hodgkinson, 1992 † - (THECOSOMATA (UNASSIGNED)) (FOSSIL)
- spirale, Aulagonoceras spirale Zheng, 1984 † - (TRIGONOCERATIDAE) (FOSSIL)
- spiralia, Cymaclymenia spiralia W.K.C. Sun & S. Shen, 1965 † - (CYMACLYMENIIDAE) (FOSSIL)
- spiralifer, Macrochlamys spiralifer J.J. Vermeulen, 1996 - (ARIOPHANTIDAE)
- spiralifera, Bohaispira spiralifera Youlou, 1978 † - (BOHAISPIRIDAE) (FOSSIL)
- spiralifera, Armenica gracillima spiralifera H. Nordsieck, 1994 - (CLAUSILIIDAE)
- spiralifera, Graeca campylauchen spiralifera H. Nordsieck, 2007 - (CLAUSILIIDAE)
- Spiralina, syn of: Subgenus Anisus (Disculifer) O. Bφttger, 1944 (PLANORBIDAE)
- spiralineata, Marginella spiralineata B. Hayes, 1994 - (MARGINELLIDAE)
- Spiralinella, Genus Spiralinella Chaster, 1901 (PYRAMIDELLIDAE)
- Spiraliropa, Genus Spiraliropa Stanisic, 2010 (CHAROPIDAE)
- spiralis, Nakamigawaia spiralis J.T. Kuroda & T. Habe, 1961 - (AGLAJIDAE)
- spiralis, Nodulus spiralis J. van der Linden, 1986 - (ANABATHRIDAE)
- spiralis, Sculptassiminea spiralis (R.A.M. Brandt, 1974 †) - (ASSIMINEIDAE) (FOSSIL)
- spiralis, Chartronella spiralis Ferrari, 2011 † - (ATAPHRIDAE) (FOSSIL)
- spiralis, Hoernesia spiralis H. Guo, 1985 † - (BAKEVELLIIDAE) (FOSSIL)
- spiralis, Bathydoris spiralis Á. Valdés, 2002 - (BATHYDORIDIDAE)
- spiralis, Gabbiella spiralis G. Mandahl-Barth, 1968 - (BITHYNIIDAE)
- spiralis, Tomopleura spiralis E.A. Smith, 1872 - syn of: Tomopleura spiralissima S. Gofas & E. Rolán, 2009 - (BORSONIIDAE)
- spiralis, Cantharus spiralis J.E. Gray, 1839 - (BUCCINIDAE)
- spiralis, Prosipho spiralis K.H.J. Thiele, 1912 - (BUCCINIDAE)
- spiralis, Trochita spiralis H.C.F. Schumacher, 1817 - syn of: Trochita trochiformis (I. von Born, 1778) - (CALYPTRAEIDAE)
- spiralis, Antroselates spiralis L.R. Hubricht, 1963 - (COCHLIOPIDAE)
- spiralis, Mitrella spiralis D. Monsecour & D. Monsecour, 2011 - (COLUMBELLIDAE)
- spiralis, Epitonium spiralis (A. Adams, 1861) - (EPITONIIDAE)
- spiralis, Sinutropis spiralis (Rohr, 1988 †) - (EUOMPHALIDAE) (FOSSIL)
- spiralis, Euomphalus spiralis Münster, 1841 † - syn of: Palaeocollonia laevigata (Münster, 1841 †) - (EUOMPHALIDAE) (FOSSIL)
- spiralis, Fusus spiralis A. Adams, 1856 - syn of: Coluzea spiralis (A. Adams, 1856) - (FASCIOLARIIDAE)
- spiralis, Striadorbis spiralis W.F. Ponder & G.J. Avern, 2000 - (GLACIDORBIDAE)
- spiralis, Puebloites spiralis Cobban & Scott, 1972 † - (HAMITIDAE) (FOSSIL)
- spiralis, Hildaites spiralis Sassaroli & Venturi, 2010 † - (HILDOCERATIDAE) (FOSSIL)
- spiralis, Pachystrophia spiralis Rohr, 1988 † - syn of: Sinutropis spiralis (Rohr, 1988 †) - (HOLOPEIDAE) (FOSSIL)
- spiralis, Lobogenes spiralis H.A. Pilsbry & J.C. Bequaert, 1927 - (HYDROBIIDAE)
- spiralis, Pellamora spiralis C.F. Laseron, 1956 - syn of: Iravadia capitata (C.F. Laseron, 1956) - (IRAVADIIDAE)
- spiralis, Gorgoleptis spiralis J.H. McLean, 1988 - (LEPETODRILIDAE)
- spiralis, Mestoronema marginalis spiralis (E.F.R.K. Koken & J. Perner, 1925 †) - (LESUEURILLIDAE) (FOSSIL)
- spiralis, Loligo spiralis A.E.J. Férussac, 1823 - syn of: Alloteuthis subulata (J.B.P.A. Lamarck, 1798) - (LOLIGINIDAE)
- spiralis, Melanopsis spiralis Handmann, 1882 † - (MELANOPSIDAE) (FOSSIL)
- spiralis, Haszprunariella spiralis S. Kiel & K. Bandel, 2001 † - (MISURINELLIDAE) (FOSSIL)
- spiralis, Purpura spiralis L.A. Reeve, 1846 - syn of: Trochia cingulata (C. Linnaeus, 1771) - (MURICIDAE)
- spiralis, Amphicyclotus texturatus spiralis F.G. Thompson, 1969 - (NEOCYCLOTIDAE)
- spiralis, Cerithiella spiralis Abbass, 1967 † - (NEWTONIELLIDAE) (FOSSIL)
- spiralis, Yuwenia spiralis (Missarzhevsky, 1989 †) - (ONYCHOCHILIDAE) (FOSSIL)
- spiralis, Kistasella spiralis Missarzhevsky, 1989 † - syn of: Yuwenia spiralis (Missarzhevsky, 1989 †) - (ONYCHOCHILIDAE) (FOSSIL)
- spiralis, Pisanianura spiralis (P. Marshall, 1918 †) - (PISANIANURIDAE) (FOSSIL)
- spiralis, Hubendickia spiralis R.A.M. Brandt, 1968 - (POMATIOPSIDAE)
- spiralis, Lophomenia spiralis H. Heath, 1911 - (PRUVOTINIDAE)
- spiralis, Marshallaria spiralis (R.S. Allan, 1926 †) - (PTYCHATRACTIDAE) (FOSSIL)
- spiralis, Phrixgnathus spiralis (H.H. Suter, 1896) - (PUNCTIDAE)
- spiralis, Laoma spiralis H.H. Suter, 1896 - syn of: Phrixgnathus spiralis (H.H. Suter, 1896) - (PUNCTIDAE)
- spiralis, Morrisonietta spiralis R.A.M. Brandt, 1968 - (PYRAMIDELLIDAE)
- spiralis, Chrysallida spiralis (C.F. Laseron, 1959) - (PYRAMIDELLIDAE)
- spiralis, Spiralinella spiralis (G. Montagu, 1803) - (PYRAMIDELLIDAE)
- spiralis, Rissoella spiralis A. Adams, 1860 - (RISSOELLIDAE)
- spiralis, Alvania tenuicostata spiralis F. Nordsieck, 1972 - (RISSOIDAE)
- spiralis, Rissoina spiralis S.M. Souverbie, 1866 - (RISSOINIDAE)
- spiralis, Siliquaria spiralis A. Risso, 1826 - syn of: Tenagodus senegalensis (G.B. II Sowerby, 1876) - (SILIQUARIIDAE)
- spiralis, Erfoudites spiralis (Wedekind, 1918 †) - (SPORADOCERATIDAE) (FOSSIL)
- spiralis, Stenothyra spiralis R.A.M. Brandt, 1968 - (STENOTHYRIDAE)
- spiralis, Obeliscus spiralis H. von Maltzan - (SUBULINIDAE)
- spiralis, Anticlimax spiralis F. Rubio & E. Rolán, 2014 - (TORNIDAE)
- spiralis, Erato spiralis P. Doderlein 1862 - (TRIVIIDAE)
- spiralis, Coluzea spiralis (A. Adams, 1856) - (TURBINELLIDAE)
- spiralis, Tudicla spiralis C. Linnaeus, 1767 - syn of: Tudicla spirillus (C. Linnaeus, 1767) - (TURBINELLIDAE)
- spiralis, Turbo spiralis G. Montagu, 1803 - syn of: Spiralinella spiralis (G. Montagu, 1803) - (TURBINIDAE)
- spiralis, Gemmula spiralis (P.M.T. de Serres, 1829 †) - (TURRIDAE) (FOSSIL)
- spiralis, Pleurotoma spiralis E.A. Smith, 1872 - syn of: Tomopleura spiralissima S. Gofas & E. Rolán, 2009 - (TURRIDAE)
- spiralis, Xenophora spiralis Garvie, 2013 † - (XENOPHORIDAE) (FOSSIL)
- spiralis coarctata, Spiralinella spiralis coarctata (J.T. Marshall, 1891) - (PYRAMIDELLIDAE)
- spiralis coarctata, Chrysallida spiralis coarctata J.T. Marshall, 1891 - syn of: Spiralinella spiralis coarctata (J.T. Marshall, 1891) - (PYRAMIDELLIDAE)
- spiraliscabrus, Nassarius spiraliscabrus (A.C. Chapman & C.J. Gabriel, 1914 †) - (NASSARIIDAE) (FOSSIL)
- spiralissima, Tomopleura spiralissima S. Gofas & E. Rolán, 2009 - (BORSONIIDAE)
- spiralissima, Sandbergeria spiralissima (Dubois, 1831 †) - (DIASTOMATIDAE) (FOSSIL)
- spiralistriata, Austroharpa spiralistriata N.H. Ludbrook, 1978 † - (HARPIDAE) (FOSSIL)
- spiralistriata, Crepitacella cepula spiralistriata C.J. Maury, 1917 † - (RISSOIDAE) (FOSSIL)
- Spiralix, Genus Spiralix H.D. Boeters, 1972 (MOITESSIERIIDAE)
- spiralocosta, Crossostoma spiralocosta J. Gründel & A. Nützel, 2015 † - (LIOTIIDAE) (FOSSIL)
- spiralocostata, Parvulactaeon spiralocostata Grundel, 1997 † - (BULLINIDAE) (FOSSIL)
- spiralocostatus, Colpomphalus spiralocostatus J. Gründel & H.A. Kollmann, 2013 † - (DISCOHELICIDAE) (FOSSIL)
- spiraloides, Margarella spiraloides S. Kiel & K. Bandel, 2004 † - (CALLIOSTOMATIDAE) (FOSSIL)
- spiraloides, Reticuloceras spiraloides Bisat & Hudson, 1943 † - (RETICULOCERATIDAE) (FOSSIL)
- Spiralta, Subgenus Strombina (Spiralta) P.O. Jung, 1986 (COLUMBELLIDAE) (FOSSIL)
- Spirancilla, Genus Spirancilla H. E. Vokes, 1936 (ANCILLARIIDAE) (FOSSIL)
- Spirancinea, Genus Spirancinea Iredale, 1945 (SUCCINEIDAE)
- Spiranodus, Genus Spiranodus Heidelberger, 2001 (PLATYCERATIDAE) (FOSSIL)
- spirantha, Mitrella spirantha E. Ravenel, 1859 - syn of: Astyris lunata (T. Say, 1826) - (COLUMBELLIDAE)
- spirarum, Rissopsetia spirarum Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- spirastriata, Rhabdoconcha spirastriata Wang, 1977 † - (PSEUDOMELANIIDAE) (FOSSIL)
- spirata, Acteocina spirata (G.B. Brocchi, 1814 †) - (ACTEOCINIDAE) (FOSSIL)
- spirata, Acteocina spirata S. Cerulli-Irelli, 1910 - syn of: Acteocina knockeri (E.A. Smith, 1872) - (ACTEOCINIDAE)
- spirata, Akera spirata Staadt, 1913 † - (AKERIDAE) (FOSSIL)
- spirata, Amnicola spirata A. Paladilhe, 1869 - syn of: Pseudamnicola subproducta (A. Paladilhe, 1869) - (AMNICOLIDAE)
- spirata, Pomacea spirata (L. Deville & L.H. Hupé, 1850) - (AMPULLARIIDAE)
- spirata, Amaurellina spirata (J.B.P.A. Lamarck, 1804 †) - (AMPULLINIDAE) (FOSSIL)
- spirata, Eburna spirata C. Linnaeus, 1758 - syn of: Babylonia spirata (C. Linnaeus, 1758) - (ANCILLARIIDAE)
- spirata, Babylonia spirata (C. Linnaeus, 1758) - (BABYLONIIDAE)
- spirata, Maurea spirata A. Valenciennes, 1846 - syn of: Calliostoma pellucidum (A. Valenciennes, 1846) - (CALLIOSTOMATIDAE)
- spirata, Trochita spirata E. Forbes, 1852 - syn of: Trochita trochiformis (I. von Born, 1778) - (CALYPTRAEIDAE)
- spirata, Nevia spirata (J.B.P.A. Lamarck, 1822) - (CANCELLARIIDAE)
- spirata, Cancellaria spirata J.B.P.A. Lamarck, 1822 - syn of: Nevia spirata (J.B.P.A. Lamarck, 1822) - (CANCELLARIIDAE)
- spirata, Bezanconia spirata (J.B.P.A. Lamarck, 1804 †) - (CERITHIIDAE) (FOSSIL)
- spirata, Perrona spirata (J.B.P.A. Lamarck, 1816) - (CLAVATULIDAE)
- spirata, Clavatula spirata J.B.P.A. Lamarck, 1816 - syn of: Perrona spirata (J.B.P.A. Lamarck, 1816) - (CLAVATULIDAE)
- spirata, Palaeocypraea spirata (von Schlotheim, 1820 †) - (CYPRAEIDAE) (FOSSIL)
- spirata, Eglisia spirata (G.B. I Sowerby, 1825) - (EPITONIIDAE)
- spirata, Austroharpa spirata (R. Tate, 1889 †) - (HARPIDAE) (FOSSIL)
- spirata, Islamia spirata (R. Bernasconi, 1985) - (HYDROBIIDAE)
- spirata, Bythiospeum spirata D. Geyer, 1904 - syn of: Bythiospeum clessini (C.D. Weinland, 1883) - (HYDROBIIDAE)
- spirata, Larochea spirata D.L. Geiger & B.A. Marshall, 2012 - (LAROCHEIDAE)
- spirata, Cithna spirata A. Adams, 1863 - (LIOTIIDAE)
- spirata, Crossostoma spirata K. Bandel & al., 2000 † - (LIOTIIDAE) (FOSSIL)
- spirata, Pyrula spirata J.B.P.A. Lamarck, 1816 - syn of: Fulguropsis spiratus (J.B.P.A. Lamarck, 1816) - (MELONGENIDAE)
- spirata, Acanthinucella spirata (H.M.D. de Blainville, 1832) - (MURICIDAE)
- spirata, Nassa spirata A. Adams, 1852 - syn of: Nassarius spiratus (A. Adams, 1852) - (NASSARIIDAE)
- spirata, Natica spirata J.B.P.A. Lamarck, 1804 † - syn of: Amaurellina spirata (J.B.P.A. Lamarck, 1804 †) - (NATICIDAE) (FOSSIL)
- spirata, Tricolia spirata J.P.S. Grateloup, 1832 † - (PHASIANELLIDAE) (FOSSIL)
- spirata, Platyostoma spirata (de Sowerby & Murchison, 1839 †) - (PLATYCERATIDAE) (FOSSIL)
- spirata, Mumiola spirata (C.B. Adams, 1860) - (PYRAMIDELLIDAE)
- spirata, Retusa spirata Montpereux, 1831 - syn of: Retusa obtusa (G. Montagu, 1808) - (RETUSIDAE)
- spirata, Rissoina spirata (G.B. I Sowerby, 1825) - (RISSOINIDAE)
- spirata, Solariella spirata (J.B.P.A. Lamarck, 1804 †) - (SOLARIELLIDAE) (FOSSIL)
- spirata, Grippina spirata B.A. Marshall, 2002 - (SPHENIOPSIDAE)
- spirata, Strepsidura spirata R.B. Newton, 1922 † - (STREPSIDURIDAE) (FOSSIL)
- spirata, Monodonta spirata Wissmann, 1841 † - syn of: Pseudoclanculus cassianus (Wissmann, 1841 † † †) - (TROCHIDAE) (FOSSIL)
- spirata, Astraea spirata W.H. Dall, 1911 - syn of: Pomaulax spiratus (W.H. Dall, 1911) - (TURBINIDAE)
- spirata, Pleurotoma spirata J.B.P.A. Lamarck, 1816 - syn of: Perrona spirata (J.B.P.A. Lamarck, 1816) - (TURRIDAE)
- spirata, Oligodia spirata (G.B. Brocchi, 1814 †) - (TURRITELLIDAE) (FOSSIL)
- spirata, Vermicularia spirata R.A. Philippi, 1836 - (TURRITELLIDAE)
- spirata, Archimediella spirata F. Sacco 1895 † - (TURRITELLIDAE) (FOSSIL)
- spirata, Turritella spirata G.B. I Sowerby, 1825 - syn of: Eglisia spirata (G.B. I Sowerby, 1825) - (TURRITELLIDAE)
- spirata balinensis, Babylonia spirata balinensis L. Bozzetti & T. Cossignani, 2009 - (BABYLONIIDAE)
- spirata barremensis, Natica spirata barremensis R. Tournouer, 1872 † - syn of: Amaurellina barremensis (R. Tournouer, 1872 †) - (NATICIDAE) (FOSSIL)
- spirata chrysostoma, Babylonia spirata chrysostoma G.B. II Sowerby, 1866 - syn of: Babylonia spirata (C. Linnaeus, 1758) - (BABYLONIIDAE)
- spirata minor, Perrona spirata minor H. Strebel, 1912 - (CLAVATULIDAE)
- spirata montrouzieri, Rissoina spirata montrouzieri S.M. Souverbie, 1862 - syn of: Rissoina dorbignyi montrouzieri (S.M. Souverbie, 1862) - (RISSOINIDAE)
- spirata valentiana, Babylonia spirata valentiana W.J. Swainson, 1822 - syn of: Babylonia valentiana (W.J. Swainson, 1822) - (BABYLONIIDAE)
- spirata ventricosa, Calyptraea spirata ventricosa P.P. Carpenter, 1857 - syn of: Calyptraea ventricosa (P.P. Carpenter, 1857) - (CALYPTRAEIDAE)
- spirata weinkauffi, Perrona spirata weinkauffi H. Strebel, 1912 - (CLAVATULIDAE)
- spiratella, Mitrella spiratella (E.C. Von Martens, 1880) - (COLUMBELLIDAE)
- Spiratella, syn of: Genus Limacina L.A.G. d'A. Bosc, 1817 (LIMACINIDAE)
- SPIRATELLIDAE - syn of Family: LIMACINIDAE
- spiratissimus, Laevigites spiratissimus Schindewolf, 1923 † - syn of: Nanoclymenia nana (G.G. Münster, 1839 †) - (CLYMENIIDAE) (FOSSIL)
- Spiratropis, Subgenus Omphalotropis (Spiratropis) W. Kobelt & O.F. von Mφllendorff, 1900 (ASSIMINEIDAE)
- spiratum, Buccinum spiratum (C. Linnaeus, 1758) - syn of: Babylonia spirata (C. Linnaeus, 1758) - (BUCCINIDAE)
- spiratum, Buccinum spiratum C. Linnaeus, 1758 - syn of: Babylonia spirata (C. Linnaeus, 1758) - (BUCCINIDAE)
- spiratum, Buccinum spiratum J.J.N.A. Spalowsky, 1795 - syn of: Babylonia spirata (C. Linnaeus, 1758) - (BUCCINIDAE)
- spiratum, Cerithium spiratum Moore, 1867 † - syn of: Pseudocerithium spiratus (Moore, 1867 †) - (CERITHIIDAE) (FOSSIL)
- spiratum, Ancistrosyrinx spiratum (M. Rouault, 1849 †) - (COCHLESPIRIDAE) (FOSSIL)
- spiratum, Trophon spiratum H. Adams, 1863 - syn of: Zeatrophon ambiguus (R.A. Philippi, 1844) - (MURICIDAE)
- spiratum alborubra, Buccinum spiratum alborubra J.J.N.A. Spalowsky, 1795 - syn of: Babylonia spirata (C. Linnaeus, 1758) - (BUCCINIDAE)
- spiratus, Fulguropsis spiratus (J.B.P.A. Lamarck, 1816) - (BUSYCONIDAE)
- spiratus, Pseudocerithium spiratus (Moore, 1867 †) - (CRYPTAULACIDAE) (FOSSIL)
- spiratus, Clavellofusus spiratus A.W. Grabau, 1904 † - (FASCIOLARIIDAE) (FOSSIL)
- spiratus, Nassarius spiratus (A. Adams, 1852) - (NASSARIIDAE)
- spiratus, Sulcogladius spiratus (M. Rouault, 1848 † †) - (ROSTELLARIIDAE) (FOSSIL)
- spiratus, Pomaulax spiratus (W.H. Dall, 1911) - (TURBINIDAE)
- spiratus, Omalaxis spiratus J.B.C.P. de Raincourt, 1876 † - (TURRITELLIDAE) (FOSSIL)
- spiratus, Vermiculus spiratus R.A. Philippi, 1836 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (TURRITELLIDAE)
- spiratus, Vermetus spiratus R.A. Philippi, 1836 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (VERMETIDAE)
- spiratus bicarinata, Vermiculus spiratus bicarinata O.A.L. Mörch, 1861 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (TURRITELLIDAE)
- spiratus bicarinata, Vermetus spiratus bicarinata O.A.L. Mörch, 1861 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (VERMETIDAE)
- spiratus capelettii, Fulguropsis spiratus capelettii E.J. Petuch, 1994 † - (BUSYCONIDAE) (FOSSIL)
- spiratus cinerea, Vermicularia spiratus cinerea O.A.L. Mörch, 1861 - syn of: Vermicularia radicula (W. Stimpson, 1851) - (TURRITELLIDAE)
- spiratus cinerea, Vermiculus spiratus cinerea O.A.L. Mörch, 1861 - syn of: Vermicularia radicula (W. Stimpson, 1851) - (TURRITELLIDAE)
- spiratus keyensis, Fulguropsis spiratus keyensis E.J. Petuch, 2013 - syn of: Fulguropsis keyensis E.J. Petuch, 2013 - (BUSYCONIDAE)
- spiratus melanosclera, Vermiculus spiratus melanosclera O.A.L. Mörch, 1861 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (TURRITELLIDAE)
- spiratus melanosclera, Vermetus spiratus melanosclera O.A.L. Mörch, 1861 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (VERMETIDAE)
- spiratus pahayokee, Fulguropsis spiratus pahayokee E.J. Petuch, 1994 † - (BUSYCONIDAE) (FOSSIL)
- spiratus plagosus, Busycotypus spiratus plagosus T.A. Conrad, 1863 - syn of: Fulguropsis plagosus (T.A. Conrad, 1862) - (BUSYCONIDAE)
- spiratus pyruloides, Busycon spiratus pyruloides T. Say, 1822 - syn of: Fulguropsis pyruloides (T. Say, 1822) - (BUSYCONIDAE)
- spiratus quadrangularis, Vermiculus spiratus quadrangularis O.A.L. Mörch, 1861 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (TURRITELLIDAE)
- spiratus quadrangularis, Vermetus spiratus quadrangularis O.A.L. Mörch, 1861 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (VERMETIDAE)
- spiratus scalaris, Vermiculus spiratus scalaris O.A.L. Mörch, 1861 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (TURRITELLIDAE)
- spiratus scalaris, Vermetus spiratus scalaris O.A.L. Mörch, 1861 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (VERMETIDAE)
- spiratus teres, Vermiculus spiratus teres O.A.L. Mörch, 1861 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (TURRITELLIDAE)
- spiratus teres, Vermetus spiratus teres O.A.L. Mörch, 1861 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (VERMETIDAE)
- spiratus ungulina, Vermiculus spiratus ungulina O.A.L. Mörch, 1861 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (TURRITELLIDAE)
- spiratus ungulina, Vermetus spiratus ungulina O.A.L. Mörch, 1861 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (VERMETIDAE)
- SPIRAXIDAE H.B. Baker, 1939 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-TESTACELLOIDEA [Superfamily])
- Spiraxilla, syn of: Subgenus Brachypodella (Gyraxis) H.A. Pilsbry, 1903 (UROCOPTIDAE)
- Spiraxis, Genus Spiraxis C.B. Adams, 1850 (SPIRAXIDAE)
- spirectinus, Buliminus labrosus spirectinus (J.R. Bourguignat, 1879) - (ENIDAE)
- spirellum, Speleodiscoides spirellum A.G. Smith, 1957 - (DISCIDAE)
- spirellum, Bythiospeum spirellum D. Geyer, 1904 - syn of: Bythiospeum clessini (C.D. Weinland, 1883) - (HYDROBIIDAE)
- Spirgvaleia, syn of: Genus Springvaleia R.F. Rutsch, 1943 (EPITONIIDAE) (FOSSIL)
- Spirialis, syn of: Genus Limacina L.A.G. d'A. Bosc, 1817 (LIMACINIDAE)
- Spirialis, syn of: Genus Limacina L.A.G. d'A. Bosc, 1817 (LIMACINIDAE)
- spirialis, Alvania spirialis M. Glibert, 1949 † - (RISSOIDAE) (FOSSIL)
- Spiricella, Genus Spiricella P.C.A.S.L. Rang, 1828 (UMBRACULIDAE)
- spiridionae, Evalea spiridionae F. Nordsieck, 1972 - syn of: Ondina vitrea (Š. Brusina, 1866) - (PYRAMIDELLIDAE)
- spiridioni, Melanella spiridioni (P. Dautzenberg & H. Fischer, 1896) - (EULIMIDAE)
- spiridioni, Melanopsis spiridioni P.M. Pallary, 1916 † - (MELANOPSIDAE) (FOSSIL)
- spiridionis, Zagrabica spiridionis N.I. Andrusov, 1909 † - (LYMNAEIDAE) (FOSSIL)
- spiridoni, Bracenica spiridoni P. Radoman, 1973 - (HYDROBIIDAE)
- spiridonovi, Parafossarulus spiridonovi F. Zatrawkin & Y.I. Starobogatov, 1989 - (BITHYNIIDAE)
- spirifer, Naesiotus spirifer W.M. Gabb, 1868 - (BULIMULIDAE)
- spirifer, Goniatites spirifer F.A. Roemer, 1850 † - (GONIATITIDAE) (FOSSIL)
- spirifer, Erfoudites spirifer (C.N. Lange, 1929 †) - (SPORADOCERATIDAE) (FOSSIL)
- spirifer, Torrecoptis spirifer (H.A. Pilsbry, 1930) - (UROCOPTIDAE)
- spirifer orthelasmus, Bulimulus spirifer orthelasmus H.A. Pilsbry, 1898 - syn of: Naesiotus dentifer lamellifer H.A. Pilsbry, 1897 - (BULIMULIDAE)
- spiriferum, Strioterebrum spiriferum W.H. Dall, 1895 † - (TEREBRIDAE) (FOSSIL)
- spirigera, Puncturella spirigera K.H.J. Thiele, 1912 - syn of: Puncturella conica (A.V.M.D. D'Orbigny, 1841) - (FISSURELLIDAE)
- Spirilira, Genus Spirilira Pinilla & al., 2007 (TROPIDODISCIDAE) (FOSSIL)
- Spirilla, Genus Spirilla Agassiz, 1842 (FASCIOLARIIDAE) (FOSSIL)
- spirillum, Epitonium spirillum T.A. de M. Monterosato, 1890 - syn of: Epitonium clathratulum Turton, 1806 - (EPITONIIDAE)
- spirillum, Eccyliopterus spirillum E.F.R.K. Koken, 1896 † - syn of: Eccyliopterus declivis Remelé, 1888 † - (LESUEURILLIDAE) (FOSSIL)
- spirillus, Murex spirillus C. Linnaeus, 1767 - syn of: Tudicla spirillus (C. Linnaeus, 1767) - (MURICIDAE)
- spirillus, Gyraulus spirillus A.A. Gould, 1859 - (PLANORBIDAE)
- spirillus, Tudicla spirillus (C. Linnaeus, 1767) - (TURBINELLIDAE)
- Spirillus, syn of: Genus Tudicla P.F. Rφding, 1798 (TURBINELLIDAE)
- Spirina, Genus Spirina Kayser, 1889 (CRASPEDOSTOMATIDAE) (FOSSIL)
- spirinae, Antiplanes spirinae Y.I. Kantor & A.V. Sysoev, 1991 - (PSEUDOMELATOMIDAE)
- spirintortus, Vermetus spirintortus T.A. de M. Monterosato, 1892 - syn of: Vermetus granulatus (J.L.C. Gravenhorst, 1831) - (VERMETIDAE)
- Spiriphanta, Subgenus Helicophanta (Spiriphanta) Groh & Poppe, 2002 (ACAVIDAE)
- spiriplana, Gibberula spiriplana (F.P. Jousseaume, 1882) - (CYSTISCIDAE)
- spiriplana, Levantina spiriplana (G.A. Olivier, 1801) - (HELICIDAE)
- spiriplana hierosolyma, Levantina spiriplana hierosolyma (A. Mousson, 1854) - (HELICIDAE)
- spiriplana lithophaga, Levantina spiriplana lithophaga (T.A. Conrad, 1852) - (HELICIDAE)
- spiriplana malziana, Levantina spiriplana malziana (L. Pfeiffer, 1861) - (HELICIDAE)
- spiriplana werneri, Levantina spiriplana werneri W. Kobelt - (HELICIDAE)
- Spiripockia, Genus Spiripockia L.R.L. Simone, 2012 (POMATIOPSIDAE)
- spiripuncta, Mitra spiripuncta A. Garrett, 1880 - syn of: Domiporta carnicolor (L.A. Reeve, 1844) - (MITRIDAE)
- spirirostris, Hipponix spirirostris (J.B.P.A. Lamarck, 1802 †) - (HIPPONICIDAE) (FOSSIL)
- spiritalis, Sanoarca spiritalis Stephenson 1953 † - (NOETIIDAE) (FOSSIL)
- spiritualis, Pseudoxychona spiritualis (H.F.A. von Ihering, 1912) - (SIMPULOPSIDAE)
- spiritualis, Cyclostremiscus spiritualis (F.C. Baker, G.D. Hanna & A.M. Strong, 1938) - (TORNIDAE)
- spiritus, Placostylus ambagiosus spiritus A.W.B. Powell, 1947 - (BOTHRIEMBRYONTIDAE)
- spiritus, Allodiscus spiritus A.W.B. Powell, 1952 - (CHAROPIDAE)
- spiritussanctis, Mendax spiritussanctis A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- spirizona, Amastra spirizona (A.E.J. Férussac, 1834) - (AMASTRIDAE)
- spirizona, Helix spirizona A.E.J. Férussac - syn of: Amastra spirizona (A.E.J. Férussac, 1834) - (HELICIDAE)
- spirizona chlorotica, Amastra spirizona chlorotica (L. Pfeiffer, 1856) - (AMASTRIDAE)
- spirizona nigrolabris, Amastra spirizona nigrolabris E.A. Smith, 1873 - (AMASTRIDAE)
- spirizona rudis, Amastra spirizona rudis L. Pfeiffer, 1855 - (AMASTRIDAE)
- Spirobulla, syn of: Genus Strebelia J.C.H. Crosse & P. Fischer, 1868 (OLEACINIDAE)
- Spirocaulis, syn of: Subgenus Imerinia (Flagellicaulis) H.R. Simroth, 1913 (VERONICELLIDAE)
- Spiroceramus, Subgenus Microceramus (Spiroceramus) H.A. Pilsbry & E.G. Vanatta, 1898 (UROCOPTIDAE)
- Spiroceras, Genus Spiroceras Quenstedt, 1856 (SPIROCERATIDAE) (FOSSIL)
- SPIROCERATIDAE Hyatt, 1900 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-STEPHANOCERATOIDEA [Superfamily]) (FOSSIL)
- Spirochrysalis, Genus Spirochrysalis Kittl, 1894 (COELOSTYLINIDAE) (FOSSIL)
- Spirocirrus, Genus Spirocirrus Cossmann, 1916 (CIRRIDAE) (FOSSIL)
- Spiroclimax, syn of: Genus Oceanida L. de Folin, 1870 (EULIMIDAE)
- Spirocolpus, Genus Spirocolpus Finlay , 1926 (TURRITELLIDAE) (FOSSIL)
- spiroconchalis, Tomthompsonia spiroconchalis H. Wägele & S. Hain, 1991 - syn of: Tomthompsonia antarctica (K.H.J. Thiele, 1912) - (PLEUROBRANCHIDAE)
- Spiroconulus, syn of: Genus Guppya O.A.L. Mφrch, 1867 (EUCONULIDAE)
- Spirocoptis, Subgenus Urocoptis (Spirocoptis) H.A. Pilsbry, 1902 (UROCOPTIDAE)
- spirocordata, Caelatura spirocordata R.S. Absalão & E. de C. Rios, 1995 - (BARLEEIIDAE)
- spirocostata, Promathildia spirocostata Batten & A. Stokes, 1986 † - (GORDENELLIDAE) (FOSSIL)
- Spirocrypta, Genus Spirocrypta Gabb, 1864 (CAPULIDAE) (FOSSIL)
- Spirocyclina, Genus Spirocyclina Kittl, 1894 (OPISTHOBRANCHIA (UNASSIGNED)) (FOSSIL)
- Spirocyclus, Genus Spirocyclus Wenz, 1938 (ORTHONEMATIDAE) (FOSSIL)
- Spirodentalium, Genus Spirodentalium Walcott, 1891 (COLEOLIDAE) (FOSSIL)
- Spirodiscus, syn of: Genus Planorbarius A.M.C. Dumιril, 1806 (PLANORBIDAE)
- Spiroecus, Genus Spiroecus Longstaff, 1924 (LOXONEMATIDAE) (FOSSIL)
- spirofilis, Endemoconus spirofilis (T. Habe & S. Kosuge, 1970) - (CONIDAE)
- spirofilis grohi, Conus spirofilis grohi M.J. Tenorio & G.T. Poppe, 2004 - syn of: Endemoconus grohi M.J. Tenorio & G.T. Poppe, 2004 - (CONIDAE)
- Spirogalerus, Genus Spirogalerus Finlay & Marwick, 1937 (CAPULIDAE) (FOSSIL)
- Spiroginella, syn of: Genus Mesoginella C.F. Laseron, 1957 (MARGINELLIDAE)
- spirogloxus, Conus spirogloxus G.P. Deshayes, 1863 - syn of: Strategoconus maldivus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- Spiroglyphus, syn of: Genus Dendropoma O.A.L. Mφrch, 1861 (VERMETIDAE)
- Spiroglyptus, Genus Spiroglyptus F.M. Daudin, 1800 (VERMETIDAE)
- Spirogmoceras, Genus Spirogmoceras Silberling, 1956 (TRACHYCERATIDAE) (FOSSIL)
- Spirolaxis, Genus Spirolaxis T.A. de M. Monterosato, 1913 (ARCHITECTONICIDAE)
- spirolaxum, Platyteichum spirolaxum C.O. Waterhouse, 1963 † - (GOSSELETINIDAE) (FOSSIL)
- Spirolegoceras, Genus Spirolegoceras Miller & al., 1957 (SPIROLEGOCERATIDAE) (FOSSIL)
- SPIROLEGOCERATIDAE Nassichuk, 1970 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-NEOICOCERATOIDEA [Superfamily]) (FOSSIL)
- Spirolidium, syn of: Genus Caecum J. Fleming, 1813 (CAECIDAE)
- spirolineata, Theba spirolineata T.A. de M. Monterosato, 1892 - syn of: Theba pisana (O.F. Müller, 1774) - (HELICIDAE)
- spirolineata, Lamellaria spirolineata T.A. de M. Monterosato, 1869 - syn of: Lamellaria perspicua (C. Linnaeus, 1758) - (VELUTINIDAE)
- spirolirata, Baylea spirolirata Batten, 1966 † - (GOSSELETINIDAE) (FOSSIL)
- spirolobus, Proclydonautilus spirolobus (Dittmar, 1866 †) - (CLYDONAUTILIDAE) (FOSSIL)
- spirolobus, Nautilus spirolobus Dittmar, 1866 † - syn of: Proclydonautilus spirolobus (Dittmar, 1866 †) - (NAUTILIDAE) (FOSSIL)
- Spiromoelleria, Genus Spiromoelleria R. Baxter & J.H. McLean, 1984 (COLLONIIDAE)
- Spiromphalus, Genus Spiromphalus Hayasaka , 1939 (ORTHONEMIDAE) (FOSSIL)
- spironema, Globodoma spironema (F.B. Meek & A.H. Worthen, 1866 †) - (GOSSELETINIDAE) (FOSSIL)
- spironema, Lophospira spironema Ulrich & Scofield, 1897 † - (LOPHOSPIRIDAE) (FOSSIL)
- Spironema, Genus Spironema Meek, 1876 (MATHILDIDAE) (FOSSIL)
- Spironemella, Genus Spironemella Waterhouse, 1980 (PLATYCERATIDAE) (FOSSIL)
- spiroperculata, Hungerfordia spiroperculata M. Yamazaki & Ueshima, 2015 - (DIPLOMMATINIDAE)
- spiroperforata, Euconospira spiroperforata Batten, 1958 † - (GOSSELETINIDAE) (FOSSIL)
- Spiropoma, syn of: Genus Spirostoma P.M. Heude, 1885 (CYCLOPHORIDAE)
- spiroporphyra, Pleurobranchaea spiroporphyra J. Alvim, L.R.L. Simone & A. Pimenta, 2014 - (PLEUROBRANCHAEIDAE)
- Spirorapha, syn of: Genus Spiroraphe Perner , 1903 (GOSSELETINIDAE) (FOSSIL)
- Spiroraphe, Genus Spiroraphe Perner , 1903 (GOSSELETINIDAE) (FOSSIL)
- Spiroraphella, Genus Spiroraphella Grabau, 1936 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- spirorbis, Nomismoceras spirorbis (B. Phillips, 1836 †) - (EOGONIOLOBOCERATIDAE) (FOSSIL)
- spirorbis, Helix spirorbis C. Linnaeus, 1758 - syn of: Anisus spirorbis (C. Linnaeus, 1758) - (HELICIDAE)
- spirorbis, Disculella spirorbis R.T. Lowe, 1852 - syn of: Ochtephila spirulina (T.D.A. Cockerell, 1921) - (HYGROMIIDAE)
- spirorbis, Alocolytoceras spirorbis (Meneghini 1875 †) - (LYTOCERATIDAE) (FOSSIL)
- spirorbis, Anisus spirorbis (C. Linnaeus, 1758) - (PLANORBIDAE)
- Spirorbis, syn of: Genus Anisus S.E. Studer, 1820 (PLANORBIDAE)
- spirorbis, Scolodonta spirorbis (G.P. Deshayes, 1850) - (SCOLODONTIDAE)
- spirorbis, Circulus spirorbis (J.B.P.A. Lamarck, 1804 †) - (TORNIDAE) (FOSSIL)
- spirorbis, Valvata spirorbis J.P.R. Draparnaud, 1805 - syn of: Valvata cristata G. Müller, 1774 - (VALVATIDAE)
- Spirorbula, Genus Spirorbula R.T. Lowe, 1852 (HYGROMIIDAE)
- spirorbulus, Latirus spirorbulus (K.T. Menke, 1829) - (FASCIOLARIIDAE)
- Spiroscala, Genus Spiroscala Knight , 1945 (GOSSELETINIDAE) (FOSSIL)
- Spiroscutalus, syn of: Genus Scutalus J.A. Albers, 1850 (BULIMULIDAE)
- spirostachys, Drillia spirostachys R.N. Kilburn, 1988 - (DRILLIIDAE)
- Spirostemma, Genus Spirostemma H.A. Pilsbry & E.G. Vanatta, 1898 (UROCOPTIDAE)
- Spirostoma, Genus Spirostoma P.M. Heude, 1885 (CYCLOPHORIDAE)
- SPIROSTYLIDAE Cossmann, 1909 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]) (FOSSIL)
- Spirostyliferina, Genus Spirostyliferina K. Bandel, 2006 (LITIOPIDAE)
- Spirostylus, Genus Spirostylus Kittl, 1894 (SPIROSTYLIDAE) (FOSSIL)
- spirosulcata, Terebra spirosulcata L.R.L. Simone, 1999 - (TEREBRIDAE)
- Spirotomaria, Genus Spirotomaria Koken & Perner, 1925 (EOTOMARIIDAE) (FOSSIL)
- Spirotoxon, Subgenus Trichotoxon (Spirotoxon) H.R. Simroth, 1897 (UROCYCLIDAE)
- Spirotoxon, syn of: Genus Urocyclus J.E. Gray, 1864 (UROCYCLIDAE)
- Spirotropis, Genus Spirotropis G.O. Sars, 1878 (DRILLIIDAE)
- spirotropoides, Micropleurotoma spirotropoides (K.H.J. Thiele, 1925) - (HORAICLAVIDAE)
- Spirotropsis, syn of: Genus Spirotropis G.O. Sars, 1878 (DRILLIIDAE)
- Spirovallum, Genus Spirovallum Waterhouse , 1963 (GOSSELETINIDAE) (FOSSIL)
- spiroxia, Monacha spiroxia (J.R. Bourguignat, 1868) - (HYGROMIIDAE)
- Spiroxybeloceras, Genus Spiroxybeloceras Kennedy & Cobban, 1999 (DIPLOMOCERATIDAE) (FOSSIL)
- spirula, Cyclostrema spirula A. Adams, 1850 - (LIOTIIDAE)
- spirula, Nautilus spirula C. Linnaeus, 1758 - syn of: Spirula spirula (C. Linnaeus, 1758) - (NAUTILIDAE)
- spirula, Daronia spirula (C.B. Adams, 1850) - (NEOCYCLOTIDAE)
- Spirula, Genus Spirula J.B.P.A. Lamarck, 1799 (SPIRULIDAE)
- spirula, Spirula spirula (C. Linnaeus, 1758) - (SPIRULIDAE)
- spirula, Tudicla spirula C. Linnaeus, 1767 - syn of: Tudicla spirillus (C. Linnaeus, 1767) - (TURBINELLIDAE)
- spirula, Vertigo spirula A. Villa, 1841 - syn of: Vertigo pusilla O.F. Müller, 1774 - (VERTIGINIDAE)
- spirulaea, Thylacodes spirulaea J.B.P.A. Lamarck, 1818 † - (VERMETIDAE) (FOSSIL)
- spirulata, Taranis spirulata (R.K. Dell, 1962) - (RAPHITOMIDAE)
- SPIRULIDAE Owen, 1836 - Family (CEPHALOPODA-COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-SPIRULIDA [Order])
- spirulina, Helix spirulina T.D.A. Cockerell, 1921 - (HELICIDAE)
- spirulina, Ochtephila spirulina (T.D.A. Cockerell, 1921) - (HYGROMIIDAE)
- Spirulina, syn of: Genus Chrysallida P.P. Carpenter, 1857 (PYRAMIDELLIDAE)
- Spirulirostra, Genus Spirulirostra D'Orbigny, 1842 (SPIRULIROSTRIDAE) (FOSSIL)
- Spirulirostrella, Genus Spirulirostrella Naef, 1921 (SEPIIDA (UNASSIGNED)) (FOSSIL)
- SPIRULIROSTRIDAE Naef, 1921 - Family (CEPHALOPODA-COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-SPIRULIDA [Order]) (FOSSIL)
- Spirulirostridium, Genus Spirulirostridium Naef, 1922 (SEPIIDA (UNASSIGNED)) (FOSSIL)
- Spirulirostrina, Genus Spirulirostrina Canavari, 1892 (SEPIIDA (UNASSIGNED)) (FOSSIL)
- SPIRULIROSTRINIDAE - syn of Family: SPIRULIROSTRIDAE (FOSSIL)
- spiruloides, Eoatlanta spiruloides J.B.P.A. Lamarck, 1804 † - syn of: Eoatlanta ravni Schnetler, 2013 † - (ATLANTIDAE) (FOSSIL)
- spiruloides, Collonia spiruloides Author unknown † - (COLLONIIDAE) (FOSSIL)
- spiruloides, Helicella spiruloides A.J. Wagner, 1916 - (HYGROMIIDAE)
- spiruloides, Menetus spiruloides (G.P. Deshayes, 1863 †) - (PLANORBIDAE) (FOSSIL)
- Spirulozania, Subgenus Maizaniella (Spirulozania) S.M. Van Bruggen, 1982 (MAIZANIIDAE)
- spissa, Ancilla spissa M. Rouault, 1849 † - (ANCILLARIIDAE) (FOSSIL)
- spissa, Mesodesma spissa L.A. Reeve, 1854 - syn of: Paphies subtriangulata (W. Wood, 1828) - (MESODESMATIDAE)
- spissa, Olivella spissa Waring, 1917 † - (OLIVELLIDAE) (FOSSIL)
- spissa, Pyrgulina spissa (C.F. Laseron, 1959) - (PYRAMIDELLIDAE)
- spissa, Tawera spissa (G.P. Deshayes, 1835) - (VENERIDAE)
- spissa, Venus spissa G.P. Deshayes, 1835 - syn of: Tawera spissa (G.P. Deshayes, 1835) - (VENERIDAE)
- Spissatella, Subgenus Eucrassatella (Spissatella) Finlay, 1926 (CRASSATELLIDAE) (FOSSIL)
- spissicostata, Ghuneriella spissicostata (Kitchin, 1903) † - (TRIGONIIDAE) (FOSSIL)
- spissiseptum, Bassleroceras spissiseptum (Dwight, 1884 †) - (BASSLEROCERATIDAE) (FOSSIL)
- spissiseptum, Orthoceras spissiseptum Dwight, 1884 † - (ORTHOCERATIDAE) (FOSSIL)
- Spissitydeus, syn of: Genus Aliculastrum H.A. Pilsbry, 1896 (HAMINOEIDAE)
- Spissula, syn of: Genus Spisula J.E. Gray, 1837 (MACTRIDAE)
- spissum, Mantelliceras spissum M. Collignon, 1964 † - syn of: Mantelliceras saxbii (Sharpe, 1857 †) - (ACANTHOCERATIDAE) (FOSSIL)
- spissus, Planorbis spissus A.E.M. Cossmann, 1907 - (PLANORBIDAE)
- spissus, Unio spissus I. Lea, 1859 - syn of: Elliptio downiei I. Lea, 1858 - (UNIONIDAE)
- spisula, Here spisula (G.P. Deshayes, 1857 †) - (LUCINIDAE) (FOSSIL)
- Spisula, Genus Spisula J.E. Gray, 1837 (MACTRIDAE)
- Spisulina, syn of: Genus Spisula J.E. Gray, 1837 (MACTRIDAE)
- Spisulona, syn of: Genus Spisula J.E. Gray, 1837 (MACTRIDAE)
- spisus, Hibolithes spisus Gilliéron, 1873 † - (MESOHIBOLITHIDAE) (FOSSIL)
- Spiticeras, Genus Spiticeras Djanelidze, 1922 (OLCOSTEPHANIDAE) (FOSSIL)
- spiticeroides, Praedalmasiceras spiticeroides (Djanélidzé, 1922 †) - (HIMALAYITIDAE) (FOSSIL)
- Spitidiscus, Genus Spitidiscus Kilian , 1910 (BARREMITIDAE) (FOSSIL)
- spitiense, Clypeoceras spitiense Krafft, 1909 † - syn of: Mullericeras spitiense (Krafft, 1909 †) - (CLYPEOCERATIDAE) (FOSSIL)
- spitiense, Mullericeras spitiense (Krafft, 1909 †) - (MULLERICERATIDAE) (FOSSIL)
- spitiensis, Escarguelites spitiensis Brühwiler & al., 2012 † - (ARCTOCERATIDAE) (FOSSIL)
- spitiensis, Astarte spitiensis F. Stoliczka, 1866 † - (ASTARTIDAE) (FOSSIL)
- spitiensis, Buchia spitiensis Holdhaus, 1913 † - (BUCHIIDAE) (FOSSIL)
- spitiensis, Clypeoceras spitiensis Krafft, 1909 † - syn of: Mullericeras spitiense (Krafft, 1909 †) - (CLYPEOCERATIDAE) (FOSSIL)
- spitiensis, Sibirites spitiensis Krafft & Diener, 1909 † - syn of: Anasibirites kingianus (L. Waagen, 1895 †) - (SIBIRITIDAE) (FOSSIL)
- spitiensis, Syringonautilus spitiensis (F. Stoliczka, 1865 †) - (SYRINGONAUTILIDAE) (FOSSIL)
- spitiformis, Pseudotoites spitiformis Arkell, 1954 † - (OTOITIDAE) (FOSSIL)
- spitsbergense, Pseudolioceras spitsbergense Frebold, 1975 † - syn of: Pseudolioceras lythense (A.T. Young & Bird, 1828 †) - (HILDOCERATIDAE) (FOSSIL)
- spitsbergensis, Xenoceltites spitsbergensis Spath, 1934 † - syn of: Xenoceltites subevolutus (Spath, 1930 †) - (KASHMIRITIDAE) (FOSSIL)
- spitzbergense, Buccinum spitzbergense W. Kobelt, 1873 - syn of: Buccinum belcheri L.A. Reeve, 1845 - (BUCCINIDAE)
- spitzbergensis, Colus spitzbergensis L.A. Reeve, 1855 - syn of: Aulacofusus brevicauda (G.P. Deshayes, 1832) - (BUCCINIDAE)
- spitzbergensis, Fusus spitzbergensis L.A. Reeve, 1855 - syn of: Aulacofusus brevicauda (G.P. Deshayes, 1832) - (FASCIOLARIIDAE)
- spitzbergensis, Propebela spitzbergensis (H.B.S. Friele, 1886) - (MANGELIIDAE)
- spitzbergensis, Montacuta spitzbergensis N.M. Knipowitsch, 1901 - (MONTACUTIDAE)
- spitzbergensis, Svalbardiceras spitzbergensis (Frebold, 1929 †) - (SIBIRITIDAE) (FOSSIL)
- spitzbergensis, Tachyrhynchus spitzbergensis A.N. Golikov, 1986 - syn of: Tachyrhynchus erosus (J.P.Y. Couthouy, 1838) - (TURRITELLIDAE)
- spitzbergensis, Onchidiopsis spitzbergensis G.A.W. Thorson, 1944 - (VELUTINIDAE)
- spivaki, Hollandites spivaki (McLearn, 1946 †) - (BEYRICHITIDAE) (FOSSIL)
- Spixia, Genus Spixia H.A. Pilsbry & E.G. Vanatta, 1898 (ODONTOSTOMIDAE)
- spixianus, Rectartemon spixianus (L. Pfeiffer, 1841) - (STREPTAXIDAE)
- spixii, Asolene spixii (A.V.M.D. D'Orbigny, 1838) - (AMPULLARIIDAE)
- spixii, Thaumastus spixii (J.A. Wagner, 1827) - (MEGASPIRIDAE)
- spixii, Anodontites spixii D'Orbigny, 1835 - syn of: Anodontites trapezea (J.B. von Spix & J.A. Wagner, 1827) - (MYCETOPODIDAE)
- spixii, Columba spixii H.F.A. von Ihering, 1890 - syn of: Leila esula (A.V.M.D. D'Orbigny, 1835) - (MYCETOPODIDAE)
- spixii major, Helix spixii major D'Orbigny, 1835 - syn of: Spixia striata (J.B. von Spix, 1827) - (HELICIDAE)
- spixii paraguayanus, Thaumastus spixii paraguayanus (C.M.F. Ancey, 1888) - (MEGASPIRIDAE)
- Spixinella, syn of: Genus Spixia H.A. Pilsbry & E.G. Vanatta, 1898 (ODONTOSTOMIDAE)
- Spixoconcha, syn of: Genus Monocondylaea A.V.M.D. D'Orbigny, 1835 (MYCETOPODIDAE)
- Spizula, syn of: Genus Spisula J.E. Gray, 1837 (MACTRIDAE)
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