- tayabasensis, Lophiotoma tayabasensis B.M. Olivera, 2004 - (TURRIDAE)
- tayacajus, Megalobulimus tayacajus Borda & R. Ramírez, 2016 - (MEGALOBULIMIDAE)
- tayae, Murella scabriuscula tayae (T.A. de M. Monterosato, 1892) - (HELICIDAE)
- tayalis, Reinia eastlakeana tayalis J.T. Kuroda, 1941 - (CLAUSILIIDAE)
- tayalis, Diplommatina tayalis J.T. Kuroda, 1941 - (DIPLOMMATINIDAE)
- tayamaensis, Cylichna tayamaensis T. Habe, 1955 - syn of: Cylichna alba (J. Brown, 1827) - (CYLICHNIDAE)
- tayamai, Anadara tayamai H. Noda, 1966 - syn of: Anadara pilula (L.A. Reeve, 1843) - (ARCIDAE)
- tayasana, Cochlostyla fulgetrum tayasana (P. Bartsch, 1919) - (BRADYBAENIDAE)
- taybacensis, Vietricula taybacensis (N.T. Dang & T.H. Ho, 2006) - (POMATIOPSIDAE)
- taybacensis, Pseudotricula taybacensis N.T. Dang & T.H. Ho, 2006 - syn of: Vietricula taybacensis (N.T. Dang & T.H. Ho, 2006) - (POMATIOPSIDAE)
- tayensis, Oenopota tayensis (S. Nomura & K.M. Hatai, 1938) - (MANGELIIDAE)
- tayleriana, Cyrtopleura tayleriana H. Adams & A. Adams, 1863 - syn of: Cyrtopleura costata (C. Linnaeus, 1758) - (PHOLADIDAE)
- taylorae, Zafrona taylorae E.J. Petuch, 1987 - (COLUMBELLIDAE)
- taylorae, Zafra taylorae B.K. Raines, 2002 - (COLUMBELLIDAE)
- taylorae, Eatoniella taylorae W.F. Ponder & E.K. Yoo, 1978 - (EATONIELLIDAE)
- taylorae, Haminoea taylorae E.J. Petuch, 1987 - syn of: Haminoea elegans (J.E. Gray, 1825) - (HAMINOEIDAE)
- taylorae, Favartia taylorae (E.J. Petuch, 1987) - (MURICIDAE)
- taylorae, Argopecten irradians taylorae E.J. Petuch, 1987 - (PECTINIDAE)
- Taylorconcha, Genus Taylorconcha R. Hershler & al., 1994 (HYDROBIIDAE)
- taylorensis, Baculites taylorensis Adkins, 1929 † - (BACULITIDAE) (FOSSIL)
- taylori, Amnicola taylori (E.A. Smith) - (AMNICOLIDAE)
- taylori, Ancilla taylori R.N. Kilburn, 1981 - (ANCILLARIIDAE)
- taylori, Toxoceratoides taylori (Etheridge, 1892 †) - (ANCYLOCERATIDAE) (FOSSIL)
- taylori, Phyllaplysia taylori W.H. Dall, 1900 - (APLYSIIDAE)
- taylori, Architectonica taylori (S.C.T. Hanley, 1862) - (ARCHITECTONICIDAE)
- taylori, Berendtia taylori (L. Pfeiffer, 1861) - (BULIMULIDAE)
- taylori, Balea taylori L. Pfeiffer, 1861 - syn of: Berendtia taylori (L. Pfeiffer, 1861) - (CLAUSILIIDAE)
- taylori, Tryonia taylori R. Hershler, H.P. Liu & J.J. Landye, 2011 - (COCHLIOPIDAE)
- taylori, Gibberula taylori L.J. Shackleford, 1916 - syn of: Gibberula differens (E.A. Smith, 1904) - (CYSTISCIDAE)
- taylori, Splendrillia taylori F.E. Wells, 1995 - (DRILLIIDAE)
- taylori, Glycymeris taylori (G.F. Angas, 1879) - (GLYCYMERIDIDAE)
- taylori, Theba taylori T.D.A. Cockerell, 1922 - syn of: Theba pisana (O.F. Müller, 1774) - (HELICIDAE)
- taylori, Helminthoglypta taylori D.M. Reeder & B. Roth, 1988 - (HELMINTHOGLYPTIDAE)
- taylori, Sonorella superstitionis taylori W.B. Miller, 1969 - (HELMINTHOGLYPTIDAE)
- taylori, Humboldtiana taylori M. Drake, 1951 - (HUMBOLDTIANIDAE)
- taylori, Phreatoceras taylori R. Hershler, 1995 - (HYDROBIIDAE)
- taylori, Lantauia taylori W.F. Ponder, 1994 - (IRAVADIIDAE)
- taylori, Neograhamites taylori Spath, 1953 † - (KOSSMATICERATIDAE) (FOSSIL)
- taylori, Pleurolucina taylori E.V. Coan & P.H. Valentich-Scott, 2012 - (LUCINIDAE)
- taylori, Lucinoma taylori Powell, 1935 † - (LUCINIDAE) (FOSSIL)
- taylori, Bullata taylori A.A. Olsson, 1916 † - (MARGINELLIDAE) (FOSSIL)
- taylori, Marginella taylori L.J. Shackleford, 1916 - syn of: Gibberula differens (E.A. Smith, 1904) - (MARGINELLIDAE)
- taylori, Myophorella taylori Poulton, 1980 † - (MYOPHORELLIDAE) (FOSSIL)
- taylori, Musculus taylori (W.H. Dall, 1897) - (MYTILIDAE)
- taylori, Poteria taylori (P. Bartsch, 1942) - (NEOCYCLOTIDAE)
- taylori, Cerithiella taylori K.H. Barnard, 1963 - (NEWTONIELLIDAE)
- taylori, Leda taylori S.C.T. Hanley, 1860 - syn of: Adrana crenifera (G.B. I Sowerby, 1833) - (NUCULANIDAE)
- taylori, Euvaricella taylori (H. Vendryes, 1901) - (OLEACINIDAE)
- taylori, Indogrammatodon taylori J. Marwick, 1953 † - (PARALLELODONTIDAE) (FOSSIL)
- taylori, Phricodoceras taylori (Sowerby, 1826 †) - (PHRICODOCERATIDAE) (FOSSIL)
- taylori, Tricula taylori Surya Rao, 1928 - (POMATIOPSIDAE)
- taylori, Paraprososthenia taylori R.A.M. Brandt, 1970 - (POMATIOPSIDAE)
- taylori, Nevadisculites taylori Bucher, 1988 † - (PROARCESTIDAE) (FOSSIL)
- taylori, Turbonilla taylori C. Hedley, 1909 - (PYRAMIDELLIDAE)
- taylori, Turbonilla taylori W.H. Dall & P. Bartsch, 1907 - (PYRAMIDELLIDAE)
- taylori, Ribeiria taylori Pojeta & Runnegar, 1976 † - (RIBEIRIIDAE) (FOSSIL)
- taylori, Metaclionites taylori Tozer, 1994 † - (STEINMANNITIDAE) (FOSSIL)
- taylori, Euterebra taylori (L.A. Reeve, 1860) - (TEREBRIDAE)
- taylori, Hadrothisbites taylori Tozer, 1994 † - (THISBITIDAE) (FOSSIL)
- taylori, Conchocele taylori C.J.S. Hickman, 2015 † - (THYASIRIDAE) (FOSSIL)
- taylori, Gemmula taylori Garvie, 2013 † - (TURRIDAE) (FOSSIL)
- Tayloria, Genus Tayloria J.R. Bourguignat, 1889 (STREPTAXIDAE)
- tayloriana, Mitrella tayloriana (L.A. Reeve, 1859) - (COLUMBELLIDAE)
- tayloriana, Columbella tayloriana L.A. Reeve, 1859 - syn of: Mitrella tayloriana (L.A. Reeve, 1859) - (COLUMBELLIDAE)
- tayloriana, Naticopsis tayloriana Girty, 1910 † - (DELPHINULOPSIDAE) (FOSSIL)
- tayloriana, Peristernia tayloriana (L.A. Reeve, 1848) - (FASCIOLARIIDAE)
- tayloriana, Haliotis tayloriana L.A. Reeve, 1846 - syn of: Haliotis diversicolor L.A. Reeve, 1846 - (HALIOTIDAE)
- tayloriana, Fadyenia tayloriana E. Chitty, 1857 - (HELICINIDAE)
- tayloriana, Mitra tayloriana G.B. II Sowerby, 1874 - syn of: Vexillum taeniatum (J.B.P.A. Lamarck, 1811) - (MITRIDAE)
- tayloriana, Ostrea tayloriana W.M. Gabb, 1866 † - (OSTREIDAE) (FOSSIL)
- tayloriana, Phenacovolva tayloriana M. Azuma & C.N. Cate, 1971 - (OVULIDAE)
- tayloriana, Funa tayloriana (L.A. Reeve, 1846) - (PSEUDOMELATOMIDAE)
- tayloriana, Tellina tayloriana (G.B. Sowerby, 1867) - (TELLINIDAE)
- tayloriana, Bolma tayloriana (E.A. Smith, 1880) - (TURBINIDAE)
- tayloriana, Pleurotoma tayloriana L.A. Reeve, 1846 - syn of: Funa tayloriana (L.A. Reeve, 1846) - (TURRIDAE)
- tayloriana tamikoana, Bolma tayloriana tamikoana T. Shikama, 1973 - syn of: Bolma tamikoana (T. Shikama, 1973) - (TURBINIDAE)
- tayloriana yorkensis, Mitrella tayloriana yorkensis (J.C.H. Crosse, 1859) - (COLUMBELLIDAE)
- taylorianum, Vexillum taylorianum G.B. II Sowerby, 1874 - syn of: Vexillum taeniatum (J.B.P.A. Lamarck, 1811) - (COSTELLARIIDAE)
- taylorianus, Eurytus taylorianus (L.A. Reeve, 1849) - (AMPHIBULIMIDAE)
- taylorianus, Bulimus taylorianus L.A. Reeve, 1849 - syn of: Eurytus taylorianus (L.A. Reeve, 1849) - (BULIMULIDAE)
- taylorianus, Rhynchotrochus taylorianus (A. Adams & L.A. Reeve, 1848) - (CAMAENIDAE)
- taylorianus, Conus taylorianus E.A. Smith, 1880 - syn of: Fulgiconus exiguus (J.B.P.A. Lamarck, 1810) - (CONIDAE)
- taylorianus, Glycymeris taylorianus J.C. Melvill & R. Standen, 1907 - syn of: Glycymeris taylori (G.F. Angas, 1879) - (GLYCYMERIDIDAE)
- taylorianus, Turbo taylorianus King, 1850 † - (TURBINIDAE) (FOSSIL)
- taylorianus, Turbo taylorianus E.A. Smith, 1880 - syn of: Bolma tayloriana (E.A. Smith, 1880) - (TURBINIDAE)
- taylorianus yulensis, Rhynchotrochus taylorianus yulensis (J.W. Brazier, 1876) - (CAMAENIDAE)
- Taylorica, syn of: Genus Tayloria J.R. Bourguignat, 1889 (STREPTAXIDAE)
- taylorii, Resania taylorii J.E. Gray, 1853 - syn of: Resania lanceolata J.E. Gray, 1853 - (MACTRIDAE)
- Taylorina, Genus Taylorina R. von Cosel & P. Bouchet, 2008 (LUCINIDAE)
- taylorioides, Plekocheilus taylorioides K. Miller, 1878 - (AMPHIBULIMIDAE)
- taymiricus, Valhallites taymiricus Shimanskiy, 1967 † - (TRIGONOCERATIDAE) (FOSSIL)
- tayrona, Conasprella tayrona (E.J. Petuch, D.P. Berschauer & Poremski, 2017) - (CONIDAE)
- tayrona, Pachybathron tayrona J.M. Díaz & Velásquez, 1987 - (CYSTISCIDAE)
- tayrona, Octopus tayrona Guerrero-Kommritz & Camelo-Guarin, 2016 - (OCTOPODIDAE)
- tayronata, Eratoidea tayronata T. McCleery, 2011 - (MARGINELLIDAE)
- Tayuva, Genus Tayuva E.G.G. Marcus & E.A. du B. Marcus, 1967 (DISCODORIDIDAE)
- tazewelliana, Fossaria tazewelliana (A.J.C. Wolf, 1869) - (LYMNAEIDAE)
- tazimai, Kanamarua tazimai J.T. Kuroda, 1951 - (COLUBRARIIDAE)
- tchadiensis, Gabbiella tchadiensis G. Mandahl-Barth, 1968 - (BITHYNIIDAE)
- tchadiensis, Corbicula tchadiensis Germain, 1916 - syn of: Corbicula fluminalis (O.F. Müller, 1774) - (CYRENIDAE)
- tchadiensis, Cameronia tchadiensis J. Germain, 1906 - syn of: Mutela dubia J.F. Gmelin, 1793 - (IRIDINIDAE)
- tchadiensis, Cleopatra cyclostomoides tchadiensis J. Germain, 1907 - (PALUDOMIDAE)
- tchadiensis, Biomphalaria tchadiensis (J. Germain, 1904) - (PLANORBIDAE)
- tchangi, Solen tchangi M. Huber, 2010 - (SOLENIDAE)
- Tchangmargarya, Genus Tchangmargarya He, 2013 (VIVIPARIDAE)
- tchangsii, Colubraria tchangsii X.T. Ma & S.P. Zhang, 2000 - (COLUBRARIIDAE)
- tchangsii, Myrtina tchangsii F.S. Xu, 2012 - (LUCINIDAE)
- tchangsii, Hima tchangsii T.C. Yen, 1936 - syn of: Nassarius gregarius (A.W. Grabau & S.G. King, 1928) - (NASSARIIDAE)
- tchangsii, Psammosphaerita tchangsii (O.A. Scarlato, 1965) - (PSAMMOBIIDAE)
- tchangsii, Sanguinolaria tchangsii O.A. Scarlato, 1965 - syn of: Psammosphaerita tchangsii (O.A. Scarlato, 1965) - (PSAMMOBIIDAE)
- tchangsii, Gobraeus tchangsii (O.A. Scarlato, 1965) - syn of: Psammosphaerita tchangsii (O.A. Scarlato, 1965) - (PSAMMOBIIDAE)
- tchangsii, Margarya tchangsii Q. Xiao, 1982 - syn of: Margarya monodi P. Dautzenberg & H. Fischer, 1906 - (VIVIPARIDAE)
- tchechitevi, Eleniceras tchechitevi Breskovski, 1967 † - (NEOCOMITIDAE) (FOSSIL)
- tchehelensis, Pupina tchehelensis J.J.M. de Morgan, 1885 - (PUPINIDAE)
- tchernagorica, Helix tchernagorica J.R. Bourguignat, 1888 - syn of: Chilostoma pouzolzi (G.P. Deshayes, 1830 ) - (HELICIDAE)
- tcherniai, Xymenopsis tcherniai (J.M. Gaillard, 1954) - (MURICIDAE)
- tcherniai, Pleurotomella tcherniai J.M. Gaillard, 1954 - syn of: Xymenopsis tcherniai (J.M. Gaillard, 1954) - (RAPHITOMIDAE)
- tchernovi, Melanopsis tchernovi J. Heller & N. Sivan, 2002 - (MELANOPSIDAE)
- tchernowi, Paragastrioceras tchernowi Ruzhentsev, 1956 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- tchihatcheffi, Campanile tchihatcheffi (d'Archiac, 1850 †) - (CAMPANILIDAE) (FOSSIL)
- tchihatcheffi, Lymnaea tchihatcheffi Fischer in Tchihatcheff, 1866 † - (LYMNAEIDAE) (FOSSIL)
- tchihatcheffi, Haustellum tchihatcheffi d'Archiac & Haime, 1854 † - (MURICIDAE) (FOSSIL)
- tchuktchense, Ciliatocardium ciliatum tchuktchense A.I. Kafanov in O.A. Scarlato, 1981 - (CARDIIDAE)
- tchunense, Ellesmeroceras tchunense Balaschov, 1962 † - (ELLESMEROCERATIDAE) (FOSSIL)
- tchurani, Laratheca tchurani (A.V. Sysoev, 1968 †) - (CIRCOTHECIDAE) (FOSSIL)
- Tchuranitheca, Genus Tchuranitheca Sysoev, 1968 (TCHURANITHECIDAE) (FOSSIL)
- TCHURANITHECIDAE Sysoev, 1968 - Family (HYOLITHA-ORTHOTHECIDA [Order]) (FOSSIL)
- tchuvaschovi, Uraloceras tchuvaschovi Bogoslovskaya, 1976 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- teaae, Australdonta teaae A.F. Sartori, O. Gargominy & Fontaine, 2013 - (ENDODONTIDAE)
- teaensis, Mexicotrochactaeon teaensis N.F. Sohl & H.A. Kollmann, 1985 † - (ACTEONELLIDAE) (FOSSIL)
- teaguei, Olivancillaria teaguei M.A. Klappenbach, 1964 - (OLIVIDAE)
- Tealbya, Genus Tealbya Casey, 1952 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- tealbyensis, Trigonia tealbyensis Lycett † - (TRIGONIIDAE) (FOSSIL)
- tealei, Bakevellia tealei (Cox, 1936 †) - (BAKEVELLIIDAE) (FOSSIL)
- tealei, Kimberleymelon tealei F. Köhler, 2010 - (CAMAENIDAE)
- tealei, Gervillia tealei Cox, 1936 † - syn of: Bakevellia tealei (Cox, 1936 †) - (MYALINIDAE) (FOSSIL)
- tealei, Coxitrigonia tealei (Cox, 1937) † - (TRIGONIIDAE) (FOSSIL)
- tealli, Pachythaerus tealli Casey † - (CRASSATELLIDAE) (FOSSIL)
- tealli, Bojarkia tealli T.L. Casey, 1973 † - (POLYPTYCHITIDAE) (FOSSIL)
- tebagaensis, Coelopis tebagaensis Termier & Termier, 1959 † - (ASTARTIDAE) (FOSSIL)
- tebagaensis, Palaeoneilo tebagaensis Termier & Termier, 1959 † - (MALLETIIDAE) (FOSSIL)
- tebanensis, Velates tebanensis Abbass, 1967 † - (NERITIDAE) (FOSSIL)
- tebatnapalensis, Cardiolucina tebatnapalensis C.H. Oostingh, 1941 † - (LUCINIDAE) (FOSSIL)
- tebblei, Dosinia tebblei E. Fischer-Piette & D. Delmas, 1967 - (VENERIDAE)
- tebenkovi, Olenekoceras tebenkovi (Zharnikova, 1985 †) - (SIBIRITIDAE) (FOSSIL)
- Tebennophorus, syn of: Genus Philomycus C.S. Rafinesque, 1820 (PHILOMYCIDAE)
- Teberdinia, Genus Teberdinia A.A. Schileyko, 1978 (HYGROMIIDAE)
- teboudensis, Xerosecta teboudensis (P.M. Pallary, 1926) - (HYGROMIIDAE)
- tebus, Austropyrgus tebus A. Clark, W.B. Miller & W.F. Ponder, 2003 - (HYDROBIIDAE)
- tecalco, Turbonilla tecalco (P. Bartsch, 1917) - (PYRAMIDELLIDAE)
- tecalco, Onoba tecalco P. Bartsch, 1917 - syn of: Turbonilla tecalco (P. Bartsch, 1917) - (RISSOIDAE)
- techella, Sphaerogalba bulimoides techella (S.S. Haldeman, 1867) - (LYMNAEIDAE)
- TECHNOPHORIDAE Miller, 1889 - Family (ROSTROCONCHIA-RIBEIRIOIDA [Order]) (FOSSIL)
- Technophorus, Genus Technophorus Soot-Ryen, 1960 (TECHNOPHORIDAE) (FOSSIL)
- tecomatensis, Unio tecomatensis I. Lea, 1841 - syn of: Cyrtonaias tampicoensis (I. Lea, 1838) - (UNIONIDAE)
- tecta, Salinator tecta R.E. Golding, W.F. Ponder & M.M. Byrne, 2007 - (AMPHIBOLIDAE)
- tecta, Megaustenia tecta (L.F.A. Souleyet, 1852) - (ARIOPHANTIDAE)
- tecta, Monachoides tecta B. Ziegler, 1848 - syn of: Perforatella incarnata (O.F. Müller, 1774) - (HYGROMIIDAE)
- tecta, Tectonatica tecta (H.E. Anton, 1838) - (NATICIDAE)
- tecta, Natica tecta H.E. Anton, 1838 - syn of: Tectonatica tecta (H.E. Anton, 1838) - (NATICIDAE)
- tecta, Elimia tecta (J.G. Anthony, 1854) - (PLEUROCERIDAE)
- tecta, Rectoclymenia tecta Nikolaeva & Ivanovich, 2005 † - (RECTOCLYMENIIDAE) (FOSSIL)
- tecta, Notocallista tecta J. Marwick, 1938 † - (VENERIDAE) (FOSSIL)
- tecta stimpsoni, Tectonatica tecta stimpsoni P. Bartsch, 1915 - (NATICIDAE)
- Tectaplica, Genus Tectaplica Wade, 1916 (VOLUTIDAE) (FOSSIL)
- Tectaria, syn of: Genus Perrinia H. Adams & A. Adams, 1854 (CHILODONTIDAE)
- tectariaeformis, Lithopoma tectariaeformis E.J. Petuch, 1986 † - (TURBINIDAE) (FOSSIL)
- Tectariopsis, Genus Tectariopsis A.E.M. Cossmann, 1888 (TURBINIDAE) (FOSSIL)
- Tectarium, syn of: Genus Tectarius A. Valenciennes, 1832 (LITTORINIDAE)
- Tectarius, Genus Tectarius A. Valenciennes, 1832 (LITTORINIDAE)
- Tecten, syn of: Genus Pecten H.P.C. Mψller, 1776 (PECTINIDAE)
- tecticardia, Vayssierea tecticardia L.V. Slavoshevskaya, 1971 - (OKADAIIDAE)
- tecticosta, Cubitostrea tecticosta (W.M. Gabb, 1860 †) - (OSTREIDAE) (FOSSIL)
- Tecticrater, Genus Tecticrater W.H. Dall, 1956 (LEPETELLIDAE)
- tectiforme, Trochocerithium tectiforme (R.B. Watson, 1884) - (PLESIOTROCHIDAE)
- tectiforme, Paravascoceras tectiforme Barber, 1957 † - (VASCOCERATIDAE) (FOSSIL)
- tectiformis, Chiton tectiformis (Is. Taki, 1938) - (CHITONIDAE)
- tectiformis, Rhyssoplax tectiformis (Is. Taki, 1938) - syn of: Chiton tectiformis (Is. Taki, 1938) - (CHITONIDAE)
- tectiformis, Mandahlia tectiformis (G.B. I Sowerby, 1824) - (HYGROMIIDAE)
- tectiformis, Echinella tectiformis R.B. Watson, 1880 - syn of: Orectospira tectiformis (R.B. Watson, 1880) - (LITTORINIDAE)
- tectiformis, Scalaetrochus tectiformis J.J.F. Whiteaves, 1892 † - (PSEUDOPHORIDAE) (FOSSIL)
- tectiformis, Orectospira tectiformis (R.B. Watson, 1880) - (TURRITELLIDAE)
- tectiformis ludovicii, Mandahlia tectiformis ludovicii (J.A. Albers, 1854) - (HYGROMIIDAE)
- Tectifusus, Genus Tectifusus Tate, 1893 (FASCIOLARIIDAE) (FOSSIL)
- tectilabre, Tudora tectilabre (C.B. Adams, 1849) - (POMATIIDAE)
- Tectininus, syn of: Genus Tectarius A. Valenciennes, 1832 (LITTORINIDAE)
- tectiphora, Oliva rufula tectiphora (P.L. Duclos, 1835) - (OLIVIDAE)
- Tectiretites, Genus Tectiretites Ruzhencev & Bogoslovskaya, 1975 (RETICULOCERATIDAE) (FOSSIL)
- tectispira, Carinathilda tectispira (F. Schröder, 1995 †) - (MATHILDIDAE) (FOSSIL)
- tectispira, Teretrina tectispira F. Schröder, 1995 † - syn of: Carinathilda tectispira (F. Schröder, 1995 †) - (MATHILDIDAE) (FOSSIL)
- tectispira, Teinostoma tectispira H.A. Pilsbry, 1953 - (TORNIDAE)
- Tectisumen, Genus Tectisumen H.J. Finlay, 1927 (LEPETELLIDAE)
- Tectonatica, Genus Tectonatica F. Sacco, 1890 (NATICIDAE)
- tectoria, Mortoniceras tectoria (White 1887 †) - (BRANCOCERATIDAE) (FOSSIL)
- tectoriata, Monetaria tectoriata G.R. Sulliotti, 1924 - syn of: Monetaria annulus (C. Linnaeus, 1758) - (CYPRAEIDAE)
- Tectospira, Genus Tectospira Picard, 1904 (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Tectula, syn of: Genus Discula R.T. Lowe, 1852 (HYGROMIIDAE)
- tectula, Tectonatica tectula F. Sacco, 1890 † - (NATICIDAE) (FOSSIL)
- tectum, Cerithium tectum A.V.M.D. D'Orbigny, 1843 † - syn of: Bathraspira tectum (A.V.M.D. D'Orbigny, 1842 †) - (CERITHIIDAE) (FOSSIL)
- tectum, Glochiceras tectum (B. Ziegler 1958 †) - (HAPLOCERATIDAE) (FOSSIL)
- tectum, Bathraspira tectum (A.V.M.D. D'Orbigny, 1842 †) - (MATHILDIDAE) (FOSSIL)
- tectum, Indomodulus tectum (J.F. Gmelin, 1791) - (MODULIDAE)
- tectum, Modulus tectum J.F. Gmelin, 1791 - syn of: Indomodulus tectum (J.F. Gmelin, 1791) - (MODULIDAE)
- tectum, Cymia tectum (W. Wood, 1828) - (MURICIDAE)
- tectum, Paragastrioceras tectum Ruzhentsev, 1956 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- tectum, Teinostoma tectum H.A. Pilsbry & J.T.L. McGinty, 1945 - (TORNIDAE)
- tectum, Lithopoma tectum (J. Lightfoot, 1786) - (TURBINIDAE)
- tectum americanum, Lithopoma tectum americanum J.F. Gmelin, 1791 - syn of: Lithopoma americanum (J.F. Gmelin, 1791) - (TURBINIDAE)
- tectum cubana, Lithopoma tectum cubana (R.A. Philippi, 1849) - (TURBINIDAE)
- tectum olfersii, Lithopoma tectum olfersii (R.A. Philippi, 1846) - (TURBINIDAE)
- tectum papillata, Lithopoma tectum papillata (V.L.V. Potiez & A. Michaud, 1838) - (TURBINIDAE)
- tectumchinense, Trochus tectumchinense J. Noodt, 1819 - syn of: Pomaulax gibberosa (L.W. Dillwyn, 1817) - (TROCHIDAE)
- tectumpersicum, Tectarius tectumpersicum (C. Linnaeus, 1758) - (LITTORINIDAE)
- tectumsinense, Cheilea tectumsinense (J.B.P.A. Lamarck, 1822) - (HIPPONICIDAE)
- tectumsinense, Latiaxis tectumsinense G.P. Deshayes, 1856 - syn of: Babelomurex tectumsinensis (G.P. Deshayes, 1856) - (MURICIDAE)
- tectumsinensis, Babelomurex tectumsinensis (G.P. Deshayes, 1856) - (MURICIDAE)
- Tectura, Genus Tectura J.E. Gray, 1847 (LOTTIIDAE)
- Tecturella, syn of: Genus Lottia J.E. Gray, 1833 (LOTTIIDAE)
- Tecturina, syn of: Genus Lottia J.E. Gray, 1833 (LOTTIIDAE)
- tectus, Dombarites tectus Librovitch, 1957 † - (DELEPINOCERATIDAE) (FOSSIL)
- tectus, Didymites tectus Mojsisovics, 1875 † - (DIDYMITIDAE) (FOSSIL)
- tectus, Adelodonax tectus Saul 1989 † - (DONACIDAE) (FOSSIL)
- tectus, Gyraulus quadrangulus tectus E. Jekelius, 1932 † - (PLANORBIDAE) (FOSSIL)
- Tectus, Genus Tectus P.D. Montfort, 1810 (TEGULIDAE)
- tectus, Trochus tectus J. Lightfoot, 1786 - syn of: Lithopoma tectum (J. Lightfoot, 1786) - (TROCHIDAE)
- tedanicus, Lithoglyphulus tedanicus W.R. Schlickum & H. Schütt, 1971 - syn of: Tanousia zrmanjae (Š. Brusina, 1866) - (HYDROBIIDAE)
- tedbayeri, Natica tedbayeri H.A. Rehder, 1986 - (NATICIDAE)
- tedi, Marionia tedi Ev. Marcus, 1983 - (TRITONIIDAE)
- Tedinia, Subgenus Pododesmus (Tedinia) J.E. Gray, 1853 (ANOMIIDAE)
- tedreftensis, Saharella tedreftensis D. Mongin, 1963 † - (UNIONIDAE) (FOSSIL)
- teesdalei, Bithynia teesdalei B. Verdcourt, 1958 - (BITHYNIIDAE)
- teevani, Anachis teevani (L.G. Hertlein & A.M. Strong, 1951) - (COLUMBELLIDAE)
- teevani, Periploma teevani (L.G. Hertlein & A.M. Strong, 1946) - (PERIPLOMATIDAE)
- teevani, Cricoploma teevani L.G. Hertlein & A.M. Strong, 1946 - syn of: Periploma teevani (L.G. Hertlein & A.M. Strong, 1946) - (PERIPLOMATIDAE)
- Tefennia, Genus Tefennia H. Schόtt & M.Z. Yildirim, 2003 (HYDROBIIDAE)
- tefennica, Tefennia tefennica H. Schütt & M.Z. Yildirim, 2003 - (HYDROBIIDAE)
- tefunta, Turbonilla tefunta P. Bartsch, 1915 - (PYRAMIDELLIDAE)
- tegalense, Laevicardium tegalense C.H. Oostingh, 1934 † - (CARDIIDAE) (FOSSIL)
- tegalense, Dentalium tegalense C.H. Oostingh, 1935 † - (DENTALIIDAE) (FOSSIL)
- tegalensis, Scapharca tegalensis K. Martin, 1910 † - (ARCIDAE) (FOSSIL)
- tegalensis, Semicassis tegalensis K. Martin, 1899 - syn of: Linatella caudata (J.F. Gmelin, 1791) - (CASSIDAE)
- tegalensis, Alia tegalensis C.H. Oostingh, 1935 - (COLUMBELLIDAE)
- tegalensis, Geloina tegalensis C.H. Oostingh, 1935 † - (CYRENIDAE) (FOSSIL)
- tegalensis, Cyclostrema tegalensis C.H. Oostingh, 1935 † - (LIOTIIDAE) (FOSSIL)
- tegalensis, Phacoides tegalensis C.H. Oostingh, 1935 † - (LUCINIDAE) (FOSSIL)
- tegalensis, Prunum tegalensis C.H. Oostingh, 1935 † - (MARGINELLIDAE) (FOSSIL)
- tegalensis, Ziba tegalensis C.H. Oostingh, 1935 - syn of: Ziba interlirata (L.A. Reeve, 1844) - (MITRIDAE)
- tegalensis, Ostrea tegalensis C.H. Oostingh, 1935 † - (OSTREIDAE) (FOSSIL)
- tegalensis, Cerithidea tegalensis C.H. Oostingh, 1935 † - (POTAMIDIDAE) (FOSSIL)
- tegalensis, Miralda tegalensis C.H. Oostingh, 1935 - (PYRAMIDELLIDAE)
- tegalensis, Melanoides tuberculata tegalensis C.H. Oostingh, 1935 - (THIARIDAE)
- tegalensis, Vermetus javanus tegalensis C.H. Oostingh, 1935 - (VERMETIDAE)
- teganumana, Turbonilla teganumana M. Yokoyama, 1922 - (PYRAMIDELLIDAE)
- tegea, Carditamera tegea W.H. Dall, 1903 † - (CARDITIDAE) (FOSSIL)
- tegens, Vesanula tegens (F.W. Hutton, 1877 †) - (MURICIDAE) (FOSSIL)
- tegginmathae, Muusoctopus tegginmathae (B.J. O'Shea, 1999) - (ENTEROCTOPODIDAE)
- tegianica, Ambigua fuscolabiata tegianica (E. Degner, 1936) - (HELICIDAE)
- Tegilarca, syn of: Genus Tegillarca T. Iredale, 1939 (ARCIDAE)
- Tegillarca, Genus Tegillarca T. Iredale, 1939 (ARCIDAE)
- Tegoceras, Genus Tegoceras Hyatt , 1903 (LYELLICERATIDAE) (FOSSIL)
- tegoideus, Clariondites tegoideus Bockwinkel & al., 2009 † - (PETTEROCERATIDAE) (FOSSIL)
- tegula, Nassa tegula L.A. Reeve, 1853 - syn of: Nassarius striatus (C.B. Adams, 1852) - (NASSARIIDAE)
- tegula, Ostrea tegula W. Wood, 1828 - syn of: Scaeochlamys livida (J.B.P.A. Lamarck, 1819) - (OSTREIDAE)
- Tegula, Genus Tegula R.P. Lesson, 1835 (TEGULIDAE)
- Tegulacanthus, Genus Tegulacanthus Grόndel, Keupp & Lang, 2017 ? (ANGARIIDAE)
- Tegulaedon, Genus Tegulaedon Van Damme & Bogan, 2015 (TEGULAEDONTIDAE) (FOSSIL)
- TEGULAEDONTIDAE Van Damme & Bogan, 2015 - Family (BIVALVIA-PALAEOHETERODONTA [Subclass]-UNIONIDA [Order]) (FOSSIL)
- Tegulaherpia, Genus Tegulaherpia L. Salvini-Plawιn, 1983 (LEPIDOMENIIDAE)
- tegulanea, Ostrea tegulanea E. Forbes, 1846 - (OSTREIDAE)
- Tegulaplax, Subgenus Chiton (Tegulaplax) T. Iredale & A.F.B. Hull, 1926 (CHITONIDAE)
- tegularis, Scabrotrophon tegularis (A.N. Golikov & V.V. Gulbin, 1977) - (MURICIDAE)
- tegularum, Clydoniceras tegularum W.J. Arkell, 1951 † - (CLYDONICERATIDAE) (FOSSIL)
- tegulata, Latiala tegulata (F. Stoliczka, 1868 †) - (APORRHAIDAE) (FOSSIL)
- tegulata, Acar tegulata (Gueranger 1867) † - (ARCIDAE) (FOSSIL)
- tegulata, Carditella tegulata L.A. Reeve, 1843 - syn of: Carditella hawaiensis W.H. Dall, P. Bartsch & H.A. Rehder, 1938 - (CONDYLOCARDIIDAE)
- tegulata, Nematomenia tegulata L. Salvini-Plawén, 1978 - (DONDERSIIDAE)
- tegulata, Poleumita tegulata J. Perner, 1903 † - syn of: Oriostoma tegulata (J. Perner, 1903 †) - (EUOMPHALIDAE) (FOSSIL)
- tegulata, Oriostoma tegulata (J. Perner, 1903 †) - (ORIOSTOMATIDAE) (FOSSIL)
- tegulata, Pinna tegulata Etheridge R. † - (PINNIDAE) (FOSSIL)
- tegulata, Avicula tegulata L.A. Reeve, 1857 - syn of: Pinctada chemnitzii (R.A. Philippi, 1849) - (PTERIIDAE)
- tegulata, Turbonilla tegulata G.B. Sowerby, 1892 - (PYRAMIDELLIDAE)
- tegulata, Semisulcospira forticosta tegulata E.C. Von Martens - (SEMISULCOSPIRIDAE)
- tegulata nodulifera, Nassa tegulata nodulifera P.P. Carpenter, 1857 - syn of: Phrontis luteostoma (W.J. Broderip & G.B. I Sowerby, 1829) - (NASSARIIDAE)
- tegulatum, Fragum tegulatum P. Dautzenberg, 1900 - syn of: Fragum unedo (C. Linnaeus, 1758) - (CARDIIDAE)
- tegulatum, Strebliticeras tegulatum (F.A. von Quenstedt, 1887 †) - (OPPELIIDAE) (FOSSIL)
- tegulatus, Conus tegulatus G.B. II Sowerby, 1870 - syn of: Graphiconus inscriptus (L.A. Reeve, 1843) - (CONIDAE)
- tegulatus, Eopecten tegulatus (P. Morris & J. Lycett, 1853 †) - (PECTINIDAE) (FOSSIL)
- tegulicia, Tucetona tegulicia (J.C. Melvill, 1898) - (GLYCYMERIDIDAE)
- tegulicium, Protacanthoceras tegulicium Wright & Kennedy, 1980 † - (ACANTHOCERATIDAE) (FOSSIL)
- tegulicius, Bostrycapulus tegulicius (A. de Rochebrune, 1883) - (CALYPTRAEIDAE)
- TEGULIDAE Kuroda, Habe & Oyama, 1971 - Family (GASTROPODA-VETIGASTROPODA [Subclass]-TROCHOIDEA [Superfamily])
- tegulum, Calliostoma tegulum A.A. Olsson, 1964 † - (CALLIOSTOMATIDAE) (FOSSIL)
- tegulum, Chionopsis tegulum (J. Brown & H.A. Pilsbry, 1911 †) - (VENERIDAE) (FOSSIL)
- tegulum, Chione tegulum Brouwn & H.A. Pilsbry, 1911 † - (VENERIDAE) (FOSSIL)
- tegulum dauleana, Chionopsis tegulum dauleana E.S. Marks, 1951 - (VENERIDAE)
- tegulus, Plectrochiton tegulus Cherns, 1998 † - (MATTHEVIIDAE) (FOSSIL)
- Tegumen, Subgenus Geotrochus (Tegumen) G.P.L.K. Gude, 1913 (HELICARIONIDAE)
- tehachapi, Tellina tehachapi Anderson & G.D. Hanna, 1925 † - (TELLINIDAE) (FOSSIL)
- tehamaensis, Crioceratites tehamaensis Anderson, 1938 † - (CRIOCERATITIDAE) (FOSSIL)
- tehamaensis, Arctoteuthis tehamaensis (Stanton, 1895 †) - (CYLINDROTEUTHIDIDAE) (FOSSIL)
- tehamaensis, Hokkaidoconcha tehamaensis S. Kiel & al., 2008 † - (PROVANNIDAE) (FOSSIL)
- tehamana, Trilobopsis tehamana (H.A. Pilsbry, 1928) - (POLYGYRIDAE)
- Tehamatea, Genus Tehamatea Kiel, 2013 (LUCINIDAE) (FOSSIL)
- tehuanarum, Amaea tehuanarum H. DuShane & J.H. McLean, 1968 - (EPITONIIDAE)
- tehuantepecana, Turbonilla tehuantepecana L.G. Hertlein & A.M. Strong, 1951 - (PYRAMIDELLIDAE)
- tehuantepecensis, Nassarina tehuantepecensis (D.R. Shasky, 1970) - (COLUMBELLIDAE)
- tehuantepecensis, Zonitella tehuantepecensis (J.C.H. Crosse & P.H. Fischer, 1870) - (GASTRODONTIDAE)
- tehuantepecensis, Anodontites tehuantepecensis (J.C.H. Crosse & P.H. Fischer, 1894) - (MYCETOPODIDAE)
- tehuantepecensis, Physa tehuantepecensis J.C.H. Crosse & P.H. Fischer, 1882 - syn of: Haitia mexicana (R.A. Philippi, 1841) - (PHYSIDAE)
- tehuantepecensis, Popenaias tehuantepecensis (J.C.H. Crosse & P.H. Fischer, 1893) - (UNIONIDAE)
- tehuantepecensis, Unio tehuantepecensis J.C.H. Crosse & P.H. Fischer, 1893 - syn of: Popenaias tehuantepecensis (J.C.H. Crosse & P.H. Fischer, 1893) - (UNIONIDAE)
- tehuantepecensis, Anodonta tehuantepecensis J.C.H. Crosse & P.H. Fischer, 1894 - syn of: Anodontites tehuantepecensis (J.C.H. Crosse & P.H. Fischer, 1894) - (UNIONIDAE)
- tehuantepeeana, Odostomia tehuantepeeana L.G. Hertlein & A.M. Strong, 1951 - (PYRAMIDELLIDAE)
- tehuaorum, Alisimitra tehuaorum (Y.F. Huang, 2015) - (COSTELLARIIDAE)
- tehuelcha, Chaetopleura tehuelcha D'Orbigny, 1841 - syn of: Chaetopleura angulata (L. Spengler, 1797) - (CHAETOPLEURIDAE)
- tehuelcha, Chilina tehuelcha A.V.M.D. D'Orbigny, 1837 - (CHILINIDAE)
- tehuelcha, Tellimya tehuelcha D.G. Zelaya & C.F. Ituarte, 2012 - (MONTACUTIDAE)
- tehuelcha, Olivella tehuelcha (P.L. Duclos, 1835) - (OLIVELLIDAE)
- tehuelcha, Venus tehuelcha D'Orbigny, 1846 - syn of: Pitar patagonicus (A.V.M.D. D'Orbigny, 1842) - (VENERIDAE)
- tehuelchana, Olivina tehuelchana A.V.M.D. D'Orbigny, 1841 † - (OLIVELLIDAE) (FOSSIL)
- tehuelchus, Chiton tehuelchus D'Orbigny, 1841 - syn of: Chaetopleura angulata (L. Spengler, 1797) - (CHITONIDAE)
- tehuelchus, Octopus tehuelchus D'Orbigny, 1834 - (OCTOPODIDAE)
- tehuelchus, Aequipecten tehuelchus (A.V.M.D. D'Orbigny, 1842) - (PECTINIDAE)
- tehuelchus, Solen tehuelchus S.C.T. Hanley, 1842 - syn of: Solen thuelchus S.C.T. Hanley, 1842 - (SOLENIDAE)
- tehuelchus madrynensis, Aequipecten tehuelchus madrynensis (A.R.J.B. Bavay, 1906) - (PECTINIDAE)
- tehuelchus spinosula, Aequipecten tehuelchus spinosula (A.R.J.B. Bavay, 1906) - (PECTINIDAE)
- tehuelchus vanvincqii, Aequipecten tehuelchus vanvincqii (A.C. Bernardi, 1852) - (PECTINIDAE)
- tei, Physa tei Y.I. Starobogatov, 1992 - (PHYSIDAE)
- teichertensis, Mourlonia teichertensis Cook & al., 2003 † - (GOSSELETINIDAE) (FOSSIL)
- teicherti, Cyclolobus teicherti Furnish & Glenister, 1970 † - (CYCLOLOBIDAE) (FOSSIL)
- teicherti, Baylea teicherti Cook & al., 2003 † - (GOSSELETINIDAE) (FOSSIL)
- teicherti, Rousseauspira teicherti Rohr & D.G. Potter, 1987 † - (MACLURITIDAE) (FOSSIL)
- teicherti, Platyclymenia teicherti B.W. Jenkins, 1968 † - (PLATYCLYMENIIDAE) (FOSSIL)
- teicherti, Protocyptendoceras teicherti Cecioni, 1965 † - syn of: Protocyptendoceras fuenzalidae Cecioni, 1965 † - (PROTEROCAMEROCERATIDAE) (FOSSIL)
- teicherti, Palaeocosmomya teicherti E.M. Fletcher, 1946 † - (SANGUINOLITIDAE) (FOSSIL)
- teicherti, Sporadoceras teicherti J.D. Petersen, 1975 † - (SPORADOCERATIDAE) (FOSSIL)
- teicherti, Stereoplasmoceras teicherti T. Kobayashi, 1936 † - (STEREOPLASMOCERATIDAE) (FOSSIL)
- teicherti, Teicherticeras teicherti Chlupac & Turek, 1983 † - (TEICHERTICERATIDAE) (FOSSIL)
- Teichertia, Genus Teichertia Glenister & al., 1956 (HERCOGLOSSIDAE) (FOSSIL)
- Teicherticeras, Genus Teicherticeras Erben , 1960 (TEICHERTICERATIDAE) (FOSSIL)
- TEICHERTICERATIDAE Bogoslovsky, 1969 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AGONIATITIDA [Order]-AMIMOSPHINCTOIDEA [Superfamily]) (FOSSIL)
- Teichertoceras, Genus Teichertoceras Foerste, 1933 (WESTONOCERATIDAE) (FOSSIL)
- teigenense, Metengoceras teigenense Cobban & J. Kennedy, 1989 † - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- teigenense, Metengonoceras teigenense Cobban & J. Kennedy, 1989 † - (ENGONOCERATIDAE) (FOSSIL)
- Teiichispira, Genus Teiichispira Yochelson & Jones, 1968 (MACLURITIDAE) (FOSSIL)
- teilhardi, Pecten teilhardi A.W. Grabau & S.G. King, 1928 - syn of: Volachlamys hirasei (A.R.J.B. Bavay, 1904) - (PECTINIDAE)
- teilhardi, Pirenella teilhardi P.M. Pallary, 1912 - (POTAMIDIDAE)
- teilhardi, Sphaerium teilhardi P.M. Pallary, 1909 - syn of: Sphaerium hartmanni C.F. Jickeli, 1874 - (SPHAERIIDAE)
- Teilostoma, Genus Teilostoma Harris & Burrows, 1891 (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Teinonuculana, syn of: Genus Ryderia Wilton, 1930 (POLIDEVCIIDAE) (FOSSIL)
- teinostoma, Plectostoma wallacei teinostoma (J.J. Vermeulen, 1994) - (DIPLOMMATINIDAE)
- teinostoma, Melanella teinostoma (A. Adams, 1854) - (EULIMIDAE)
- Teinostoma, Genus Teinostoma H. Adams & A. Adams, 1854 (TORNIDAE)
- teinostoma gigas, Melanella teinostoma gigas (J.T. Kuroda & T. Habe, 1950) - (EULIMIDAE)
- Teinostomops, Genus Teinostomops Y. Kano & T. Kase, 2008 (NERITILIIDAE)
- Teinostomopsis, Genus Teinostomopsis (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Teinotus, syn of: Genus Haliotis C. Linnaeus, 1758 (HALIOTIDAE)
- teirata, Mangelia teirata J. Gardner, 1937 † - (MANGELIIDAE) (FOSSIL)
- teisseirei, Cyanocyclas teisseirei W.B. Marshall, 1927 - syn of: Corbicula limosa (W.G. Maton, 1809) - (CYRENIDAE)
- teisserei, Plagiodontes dentatus teisserei W.B. Marshall, 1930 - (ODONTOSTOMIDAE)
- teisseyrei, Proplanulites teisseyrei Siemiradzki, 1891 † - (PERISPHINCTIDAE) (FOSSIL)
- tejedoi, Corrosella tejedoi (H.D. Boeters, H. Girardi & T. Knebelsberger, 2015) - (HYDROBIIDAE)
- tejedori, Calliostoma tejedori C.G. Aguayo, 1949 - syn of: Calliostoma brunneum (W.H. Dall, 1881) - (CALLIOSTOMATIDAE)
- tejedori, Cerion sanzi tejedori M.I. Sánchez Roig, 1951 - (CERIONIDAE)
- tejedori, Chondrothyrium tejedori M.I. Sánchez Roig, 1951 - (POMATIIDAE)
- tejeriensis, Heminautilus tejeriensis I. Martínez & Grauges, 2006 † - syn of: Heminautilus saxbii (Morris, 1848 †) - (CENOCERATIDAE) (FOSSIL)
- tejonensis, Mactromeris tejonensis A. Packard, 1916 † - (MACTRIDAE) (FOSSIL)
- tejonensis, Keepingia tejonensis (R.E. Dickerson, 1915 †) - (NASSARIIDAE) (FOSSIL)
- tejonensis, Colwellia tejonensis R.E. Dickerson, 1915 † - syn of: Keepingia tejonensis (R.E. Dickerson, 1915 †) - (NASSARIIDAE) (FOSSIL)
- tejonensis, Nitidavenus tejonensis (Waring, 1914 †) - (VENERIDAE) (FOSSIL)
- Tejonia, Genus Tejonia Hanna & L. G., 1943 (NATICIDAE) (FOSSIL)
- tejonis, Helminthoglypta tejonis S.S. Berry, 1930 - (HELMINTHOGLYPTIDAE)
- tekecus, Stagnicola tekecus P. Glöer & M.Z. Yildirim, 2006 - (LYMNAEIDAE)
- Tekirdagensis, Genus Tekirdagensis Ozdikmen, 2010 (RADIOLITIDAE) (FOSSIL)
- Tekirdagia, syn of: Genus Tekirdagensis Ozdikmen, 2010 (RADIOLITIDAE) (FOSSIL)
- Tekoulina, Genus Tekoulina G.A. Solem, 1972 (ACHATINELLIDAE)
- tela, Tepalcatia tela F.G. Thompson & R. Hershler, 2002 - (HYDROBIIDAE)
- tela, Philobrya tela (C.R. Laws, 1936 †) - (PHILOBRYIDAE) (FOSSIL)
- telaaraneae, Amalda telaaraneae R.N. Kilburn, 1993 - (ANCILLARIIDAE)
- telaaraneae, Natica telaaraneae J.C. Melvill, 1901 - syn of: Natica pseustes Watson, 1887 - (NATICIDAE)
- telacme, Macromphalus telacme R.V. Melville, 1904 - syn of: Macromphalus styliferinus G. Nevill, 1884 - (VANIKORIDAE)
- Telamocornu, Genus Telamocornu Berg & Peel, 1994 (CYRTOLITIDAE) (FOSSIL)
- telamon, Alabina telamon K.H. Barnard, 1963 - (CERITHIIDAE)
- telamon, Clathurella telamon W.H. Dall, 1919 - syn of: Clathurella rava (R.B. Hinds, 1843) - (CLATHURELLIDAE)
- telamonia, Mathilda telamonia J.C. Melvill, 1912 - syn of: Mathilda sinensis P. Fischer, 1867 - (MATHILDIDAE)
- Telarma, syn of: Genus Pseudotritonia K.H.J. Thiele, 1912 (CHARCOTIIDAE)
- Telasco, syn of: Genus Nassarius Dumιril, 1805 (NASSARIIDAE)
- telatus, Cylinder telatus (L.A. Reeve, 1848) - (CONIDAE)
- telatus rugosus, Cylinder telatus rugosus J. Lauer, 1988 - (CONIDAE)
- telea, Columbella telea P.L. Duclos, 1848 - syn of: Steironepion moniliferum (G.B. I Sowerby, 1844) - (COLUMBELLIDAE)
- telebathia, Danilia telebathia C. Hedley, 1911 - (CHILODONTIDAE)
- telefominiana, Zaletrigonia telefominiana (Skwarko, 1981 †) - (IOTRIGONIIDAE) (FOSSIL)
- telegdirothi, Turricula telegdirothi J. Noszky, 1936 † - (CLAVATULIDAE) (FOSSIL)
- telegdirothi, Galaticeras telegdirothi Kovacs, 1934 † - (LYTOCERATIDAE) (FOSSIL)
- telegdirothi, Pecten telegdirothi M. Csepreghy, 1960 † - (PECTINIDAE) (FOSSIL)
- telegraphica, Horologica telegraphica (C. Hedley, 1909) - (CERITHIOPSIDAE)
- telemachi, Jacobella telemachi Renz, 1912 † - (HILDOCERATIDAE) (FOSSIL)
- Telemactra, syn of: Genus Mactra C. Linnaeus, 1767 (MACTRIDAE)
- Telemactra, syn of: Genus Mactra C. Linnaeus, 1767 (MACTRIDAE)
- telemba, Cunearca telemba A.A. Olsson, 1964 † - (ARCIDAE) (FOSSIL)
- telemba, Pyruclia telemba A.A. Olsson, 1964 † - (CANCELLARIIDAE) (FOSSIL)
- telembiensis, Pseudozonaria telembiensis A.A. Olsson, 1964 † - (CYPRAEIDAE) (FOSSIL)
- Telembryon, syn of: Genus Bothriembryon H.A. Pilsbry, 1894 (BOTHRIEMBRYONTIDAE)
- telemus, Cavolinia telemus (C. Linnaeus, 1758) - (CAVOLINIIDAE)
- telensis, Albinaria brevicollis telensis K.L. Pfeiffer, 1955 - (CLAUSILIIDAE)
- Teleochilus, Genus Teleochilus G.F. Harris, 1897 (RAPHITOMIDAE)
- Teleonychoteuthis, syn of: Genus Onychoteuthis A.A.H. Lichtenstein, 1818 (ONYCHOTEUTHIDAE)
- Teleoptyxis, Genus Teleoptyxis Olsson, 1934 (HETEROSTROPHA (UNASSIGNED)) (FOSSIL)
- teleos, Tessarolax teleos Saul & R.L. Squires, 2015 † - (APORRHAIDAE) (FOSSIL)
- Teleostoma, Genus Teleostoma G.F. Harris & H.W. Burrows, 1891 (DIASTOMATIDAE) (FOSSIL)
- Teleoteuthis, syn of: Genus Onykia C.A. Lesueur, 1821 (ONYCHOTEUTHIDAE)
- Teleozonites, Subgenus Trochozonites (Teleozonites) H.A. Pilsbry, 1919 (UROCYCLIDAE)
- Telermoceras, Genus Telermoceras (STEPHANOCERATIDAE) (FOSSIL)
- Telescopella, syn of: Genus Pleurocera C.S. Rafinesque, 1818 (PLEUROCERIDAE)
- telescopia, Toxoconcha telescopia Böhm, 1895 † - (PROTORCULIDAE) (FOSSIL)
- telescopialis, Drillia telescopialis J.C. Verco, 1896 - syn of: Exomilus telescopialis (J.C. Verco, 1896) - (DRILLIIDAE)
- telescopialis, Exomilus telescopialis (J.C. Verco, 1896) - (RAPHITOMIDAE)
- telescopiforme, Orthonema telescopiforme Erwin, 1988 † - (ORTHONEMATIDAE) (FOSSIL)
- telescopium, Cerithioides telescopium S.H. Haughton, 1859 † - (GONIASMATIDAE) (FOSSIL)
- telescopium, Nebularia telescopium L.A. Reeve, 1844 - (MITRIDAE)
- Telescopium, Genus Telescopium P.D. Montfort, 1810 (POTAMIDIDAE)
- telescopium, Telescopium telescopium (C. Linnaeus, 1758) - (POTAMIDIDAE)
- telescopium, Odostomia telescopium P.P. Carpenter, 1857 - (PYRAMIDELLIDAE)
- telescopium, Ptychodonta telescopium F.G. Thompson & L.R. Correa-Sandoval, 1994 - (UROCOPTIDAE)
- telescopus, Coelocyclus telescopus (Frech, 1894 †) - (BELLEROPHONTIDAE) (FOSSIL)
- telescopus, Collina telescopus Frech, 1894 † - syn of: Coelocyclus telescopus (Frech, 1894 †) - (DACTYLIOCERATIDAE) (FOSSIL)
- telescopus, Tropidodiscus telescopus F.B. Meek & A.H. Worthen 1866 † - (TROPIDODISCIDAE) (FOSSIL)
- telesforoi, Eubranchus telesforoi J.A. Ortea, G.M. Caballer & J.J. Bacallado, 2002 - (EUBRANCHIDAE)
- telestoma, Opisthostoma telestoma J.J. Vermeulen, 1991 - (DIPLOMMATINIDAE)
- teletzkiana, Lymnaea teletzkiana N.D. Kruglov & Y.I. Starobogatov, 1984 - (LYMNAEIDAE)
- teliger, Cadulus teliger H.J. Finlay, 1926 - (GADILIDAE)
- telinga, Ammonites telinga Stolickza, 1865 † - syn of: Neoptychites cephalotus (Courtiller, 1860 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- Teliochilus, Subgenus Exelissa (Teliochilus) Cossmann, 1906 (CRYPTAULACIDAE) (FOSSIL)
- Teliostoma, syn of: Genus Telostoma Harris & Burrows, 1891 (DIASTOMATIDAE) (FOSSIL)
- Telistrophis, Genus Telistrophis Rafinesque, 1832 (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- telja, Flabellina telja Er. Marcus & Ev. Marcus, 1967 - (FLABELLINIDAE)
- telkibana, Merelina telkibana H.S. Ladd, 1966 † - (RISSOIDAE) (FOSSIL)
- tellea, Mangilia tellea W.H. Dall, 1889 - syn of: Theta chariessa (R.B. Watson, 1881) - (MANGELIIDAE)
- tellea, Polystira tellea (W.H. Dall, 1889) - (TURRIDAE)
- tellea, Pleurotoma tellea W.H. Dall, 1889 - syn of: Polystira tellea (W.H. Dall, 1889) - (TURRIDAE)
- tellerensis, Scalites tellerensis Rohr, 1988 † - (RAPHISTOMATIDAE) (FOSSIL)
- telleri, Naticopsis telleri E.A.L. Kittl, 1892 † - (DELPHINULOPSIDAE) (FOSSIL)
- telleri, Euomphalus telleri E.A.L. Kittl, 1891 † - (EUOMPHALIDAE) (FOSSIL)
- telleri, Umbotropis telleri (Frech, 1894 †) - (GOSSELETINIDAE) (FOSSIL)
- telleri, Eumorphotis telleri (Bittner, 1899 †) - (HETEROPECTINIDAE) (FOSSIL)
- telleri, Lechritrochoceras telleri Foerste, 1930 † - (LECHRITROCHOCERATIDAE) (FOSSIL)
- telleri, Clinolobus telleri C. Gemmellaro, 1887 † - (METALEGOCERATIDAE) (FOSSIL)
- telleri, Nassarius telleri (R. Hoernes & Aulinger, 1882 †) - (NASSARIIDAE) (FOSSIL)
- telleri, Trachynautilus telleri Mojsisovics, 1902 † - (TAINOCERATIDAE) (FOSSIL)
- Telleria, Genus Telleria Kittl , 1894 (EULIMIDAE) (FOSSIL)
- Telleroceras, Genus Telleroceras Flower, 1968 (ENDOCERIDA (UNASSIGNED)) (FOSSIL)
- tellia, Pleuromeris tellia W.H. Dall, 1903 † - (CARDITIDAE) (FOSSIL)
- tellicoensis, Unio tellicoensis I. Lea, 1872 - syn of: Fusconaia barnesiana (I. Lea, 1829) - (UNIONIDAE)
- Tellidora, Genus Tellidora O.A.L. Mφrch, 1856 (TELLINIDAE)
- Tellidorella, Genus Tellidorella S.S. Berry, 1963 (LUCINIDAE)
- Tellimya, Genus Tellimya T. Brown, 1827 (MONTACUTIDAE)
- tellimyalis, Rupellaria tellimyalis (P.P. Carpenter, 1864) - (VENERIDAE)
- tellimyalis, Psephis tellimyalis P.P. Carpenter, 1864 - syn of: Neolepton subtrigonum (P.P. Carpenter, 1857) - (VENERIDAE)
- tellina, Pleuromya tellina (A.E.R. Agassiz, 1842 †) - (PLEUROMYIDAE) (FOSSIL)
- Tellina, Genus Tellina C. Linnaeus, 1758 (TELLINIDAE)
- tellinaeformis, Glycymeris tellinaeformis (L.A. Reeve, 1843) - (GLYCYMERIDIDAE)
- tellinaeformis, Gari tellinaeformis L.A. Reeve, 1856 - syn of: Gari livida (J.B.P.A. Lamarck, 1818) - (PSAMMOBIIDAE)
- tellinaeformis, Psammobia tellinaeformis L.A. Reeve, 1856 - syn of: Gari livida (J.B.P.A. Lamarck, 1818) - (PSAMMOBIIDAE)
- tellinaeformis, Sarepta tellinaeformis C. Hedley, 1901 - (SAREPTIDAE)
- tellinaeformis, Venus tellinaeformis R.A. Philippi, 1847 - syn of: Costellipitar cor (S.C.T. Hanley, 1844) - (VENERIDAE)
- Tellinangulus, Subgenus Angulus (Tellinangulus) K.H.J. Thiele, 1934 (TELLINIDAE)
- tellinaria, Cardinia tellinaria de Koninck † - (CARDINIIDAE) (FOSSIL)
- tellinaria, Tivelina tellinaria J.B.P.A. Lamarck, 1906 † - (VENERIDAE) (FOSSIL)
- Tellinarius, syn of: Genus Tellina C. Linnaeus, 1758 (TELLINIDAE)
- tellinella, Corbicula tellinella Ferussac, 1822 † - (CYRENIDAE) (FOSSIL)
- tellinella, Gari tellinella (J.B.P.A. Lamarck, 1818) - (PSAMMOBIIDAE)
- tellinella, Syndosmya tellinella G. Seguenza, 1876 - syn of: Abra longicallus (A. Scacchi, 1835) - (SEMELIDAE)
- Tellinella, Subgenus Tellina (Tellinella) O.J.N. Moerch, 1853 (TELLINIDAE)
- tellinella, Elliptotellina tellinella (J.B.P.A. Lamarck, 1806 †) - (TELLINIDAE) (FOSSIL)
- tellinella gracilis, Psammobia tellinella gracilis J.G. Jeffreys, 1864 - syn of: Gari tellinella (J.B.P.A. Lamarck, 1818) - (PSAMMOBIIDAE)
- tellini, Zospeum tellini C. Pollonera, 1889 - syn of: Zospeum spelaeum costatum (E.A. Rossmässler, 1839) - (ELLOBIIDAE)
- TELLINIDAE Blainville, 1814 - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-IMPARIDENTIA [Superorder]-VENERIDA [Order]-TELLINOIDEA [Superfamily])
- Tellinidella, Subgenus Tellina (Tellinidella) L.G. Hertlein & A. Strong, 1949 (TELLINIDAE)
- Tellinides, Subgenus Tellina (Tellinides) J.B.P.A. Lamarck, 1818 (TELLINIDAE)
- telliniformis, Pachydon telliniformis Wesselingh, 2006 † - (CORBULIDAE) (FOSSIL)
- tellinii, Bithynia tentaculata tellinii F. Sacco, 1886 † - (BITHYNIIDAE) (FOSSIL)
- tellinii, Hauffenia tellinii C. Pollonera, 1899 - (HYDROBIIDAE)
- tellinii, Iglica tellinii (C. Pollonera, 1887) - (HYDROBIIDAE)
- tellinii, Avichlamys tellinii (Tommasi, 1895 †) - (PTERIIDA (UNASSIGNED)) (FOSSIL)
- Tellinimactra, Subgenus Psammotreta (Tellinimactra) Lamy, 1918 (TELLINIDAE) (FOSSIL)
- Tellinimactra, syn of: Subgenus Psammotreta (Tellinomactra) Ι. Lamy, 1918 (TELLINIDAE) (FOSSIL)
- Tellinimera, Genus Tellinimera Conrad, 1860 (TELLINIDAE) (FOSSIL)
- Tellinocyclas, Subgenus Corbicula (Tellinocyclas) W.H. Dall, 1903 (CYRENIDAE)
- Tellinodora, syn of: Genus Tellidora O.A.L. Mφrch, 1856 (TELLINIDAE)
- tellinoidea, Pitar tellinoidea G.B. Sowerby, 1851 - syn of: Costellipitar cor (S.C.T. Hanley, 1844) - (VENERIDAE)
- tellinoides, Anomia tellinoides Morton, 1833 † - (ANOMIIDAE) (FOSSIL)
- tellinoides, Lirodiscus tellinoides (T.A. Conrad, 1833 †) - (ASTARTIDAE) (FOSSIL)
- tellinoides, Lucina tellinoides L.A. Reeve, 1850 - syn of: Diplodonta sericata (L.A. Reeve, 1850) - (LUCINIDAE)
- tellinoides, Mactrotoma tellinoides R. Pulteney, 1799 - syn of: Standella fragilis (J.F. Gmelin, 1791) - (MACTRIDAE)
- tellinoides, Mactra tellinoides T.A. Conrad, 1831 - syn of: Cumingia sinuosa A. Adams, 1850 - (MACTRIDAE)
- tellinoides, Adrana tellinoides (G.B. I Sowerby, 1823) - (NUCULANIDAE)
- tellinoides, Nucula tellinoides G.B. I Sowerby, 1823 - syn of: Adrana tellinoides (G.B. I Sowerby, 1823) - (NUCULIDAE)
- tellinoides, Sanguinolaria tellinoides Adams, 1850 - (PSAMMOBIIDAE)
- tellinoides, Cumingia tellinoides (T.A. Conrad, 1831) - (SEMELIDAE)
- tellinoides, Psammotreta tellinoides (J.B.P.A. Lamarck, 1818) - (TELLINIDAE)
- tellinoides elongata, Sanguinolaria tellinoides elongata O.A.L. Mörch, 1860 - syn of: Sanguinolaria tellinoides Adams, 1850 - (PSAMMOBIIDAE)
- tellinoides vanhyningi, Cumingia tellinoides vanhyningi H.A. Rehder, 1939 - syn of: Cumingia sinuosa A. Adams, 1850 - (SEMELIDAE)
- Tellinomactra, Subgenus Psammotreta (Tellinomactra) Ι. Lamy, 1918 (TELLINIDAE) (FOSSIL)
- Tellinomorpha, Genus Tellinomorpha Koninck, 1885 (PHOLADOMYOIDEA (UNASSIGNED)) (FOSSIL)
- Tellinomya, syn of: Genus Montacuta W.H. Turton, 1822 (MONTACUTIDAE)
- Tellinopsis, Genus Tellinopsis Hall, 1869 (CTENODONTIDAE) (FOSSIL)
- Tellinota, syn of: Subgenus Tellina (Eurytellina) P. Fischer, 1887 (TELLINIDAE)
- tellinula, Mysella tellinula (N.H. Odhner, 1924) - (MONTACUTIDAE)
- Tellinula, syn of: Genus Tellina C. Linnaeus, 1758 (TELLINIDAE)
- Tellinungula, syn of: Genus Macalia H. Adams, 1861 (TELLINIDAE)
- Tellipiura, syn of: Genus Tellidora O.A.L. Mφrch, 1856 (TELLINIDAE)
- Telloda, syn of: Subgenus Odostomia (Eulimastoma) P. Bartsch, 1904 (PYRAMIDELLIDAE)
- Tellurimya, Genus Tellurimya Cox, 1964 (CERATOMYOPSIDAE) (FOSSIL)
- telluris, Ceratomya telluris (J.B.P.A. Lamarck, 1819 †) - (CERATOMYIDAE) (FOSSIL)
- telmaeca, Anodonta telmaeca G. Servain, 1882 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- telmoeca, Anodonta telmoeca G. Servain, 1882 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- Telmosena, syn of: Genus Omphalotropis L. Pfeiffer, 1851 (ASSIMINEIDAE)
- Teloceras, Genus Teloceras Mascke, 1906 (STEPHANOCERATIDAE) (FOSSIL)
- Telodactylites, syn of: Genus Porpoceras Simpson, 1843 (DACTYLIOCERATIDAE) (FOSSIL)
- Telodactylus, Genus Telodactylus (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- telonaria, Hua telonaria (P.M. Heude, 1888) - (SEMISULCOSPIRIDAE)
- telonaria, Melania telonaria P.M. Heude, 1888 - syn of: Hua telonaria (P.M. Heude, 1888) - (THIARIDAE)
- Telonensiana, syn of: Genus Urticicola W.A. Lindholm, 1927 (HYGROMIIDAE)
- telonensis, Urticicola glabellus telonensis (H. Mittre, 1842) - (HYGROMIIDAE)
- Telophaedusa, Subgenus Euphaedusa (Telophaedusa) H. Nordsieck, 2003 (CLAUSILIIDAE)
- telopia, Taringa telopia Er. Marcus, 1955 - (DISCODORIDIDAE)
- telopia disa, Taringa telopia disa Er. Marcus, 1967 - (DISCODORIDIDAE)
- Telostoma, Genus Telostoma Harris & Burrows, 1891 (DIASTOMATIDAE) (FOSSIL)
- telum, Formosana telum H. Nordsieck, 2003 - (CLAUSILIIDAE)
- telum, Nebularia fulvescens telum G.B. II Sowerby, 1874 - (MITRIDAE)
- telum, Eulimella telum C.F.C. Schander, 1994 - (PYRAMIDELLIDAE)
- Telycardia, Genus Telycardia Krν, 2005 (PRAECARDIIDAE) (FOSSIL)
- Telycytharella, syn of: Genus Thelecythara W.P. Woodring, 1928 (HORAICLAVIDAE)
- tema, Felimare tema (M. Edmunds, 1981) - (CHROMODORIDIDAE)
- tema, Hypselodoris tema M. Edmunds, 1981 - syn of: Felimare tema (M. Edmunds, 1981) - (CHROMODORIDIDAE)
- tema, Geitodoris tema (M. Edmunds, 1968) - (DISCODORIDIDAE)
- tema, Cratena tema M. Edmunds, 2015 - (FACELINIDAE)
- tema, Catriona tema M. Edmunds, 1968 - (TRINCHESIIDAE)
- Temana, syn of: Genus Lacuna W.H. Turton, 1827 (LITTORINIDAE)
- Temanella, syn of: Genus Lacuna W.H. Turton, 1827 (LITTORINIDAE)
- temaoensis, Mautodontha temaoensis A.F. Sartori, O. Gargominy & Fontaine, 2014 - (ENDODONTIDAE)
- temarana, Dendrodoris temarana A. Pruvot-Fol, 1953 - syn of: Dendrodoris grandiflora (J.L. Rapp, 1827) - (DENDRODORIDIDAE)
- temarana, Rostanga temarana A. Pruvot-Fol, 1953 - syn of: Rostanga rubra (A. Risso, 1818) - (DISCODORIDIDAE)
- temarana, Haminoea temarana A. Pruvot-Fol, 1953 - syn of: Haminoea orbignyana (A.E.J. Férussac, 1822) - (HAMINOEIDAE)
- temarensis, Peltodoris temarensis M. Edmunds, 2011 - (DISCODORIDIDAE)
- temascalensis, Biomphalaria temascalensis L.J. Ruiz, 1987 - (PLANORBIDAE)
- temasek, Amphidromus atricallosus temasek S.K. Tan, G.L. Chan & S. Panha, 2011 - (CAMAENIDAE)
- tembatensis, Pearsonia tembatensis Marzuki & R. Clements, 2013 - (CYCLOPHORIDAE)
- tembiae, Cratena diffusa tembiae J.J. Risbec, 1928 - (FACELINIDAE)
- temblorensis, Turritella temblorensis L.W. Wiedey, 1928 † - (TURRITELLIDAE) (FOSSIL)
- temblorensis, Chionopsis temblorensis (Anderson, 1905 †) - (VENERIDAE) (FOSSIL)
- temblorensis, Yoldia temblorensis F.M. Anderson & Martin, 1914 † - (YOLDIIDAE) (FOSSIL)
- Temblornia, Genus Temblornia Keen, 1943 (LASAEIDAE) (FOSSIL)
- Tembrockia, Subgenus Donax (Tembrockia) M. Glibert & L. van de Poel, 1967 (DONACIDAE) (FOSSIL)
- temelkovi, Bythinella temelkovi D.G. Georgiev & P. Glöer, 2014 - (BYTHINELLIDAE)
- temerarius, Deshayesites temerarius Stoyanow, 1949 † - (DESHAYESITIDAE) (FOSSIL)
- temeroso, Holospira temeroso H.A. Pilsbry, 1953 - (UROCOPTIDAE)
- temertassetensis, Temertassetia temertassetensis D. Korn & al., 2010 † - (TEMERTASSETIIDAE) (FOSSIL)
- Temertassetia, Genus Temertassetia Korn & al., 2010 (TEMERTASSETIIDAE) (FOSSIL)
- TEMERTASSETIIDAE Korn & al., 2010 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-PERICYCLOIDEA [Superfamily]) (FOSSIL)
- Temesa, Genus Temesa H. Adams & A. Adams, 1855 (CLAUSILIIDAE)
- temesor, Hemicycla temesor Tarnier, 1872 - syn of: Hemicycla saulcyi (A.V.M.D. D'Orbigny, 1839) - (HELICIDAE)
- temirbabensis, Ornithopecten temirbabensis Kiparisova, 1980 † - (ORNITHOPECTINIDAE) (FOSSIL)
- temnes, Conus temnes T. Iredale, 1930 - syn of: Leptoconus ammiralis (C. Linnaeus, 1758) - (CONIDAE)
- TEMNOCHEILIDAE Mojsisovics, 1902 - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-NAUTILIDA [Order]-TEMNOCHEILOIDEA [Superfamily]) (FOSSIL)
- Temnocheiloides, Genus Temnocheiloides Shimanskiy , 1967 (TEMNOCHEILIDAE) (FOSSIL)
- Temnocheilus, Genus Temnocheilus McCoy, 1844 (KONINCKIOCERATIDAE) (FOSSIL)
- Temnocinclis, Genus Temnocinclis J.H. McLean, 1989 (SUTILIZONIDAE)
- Temnocinlis, syn of: Genus Temnocinclis J.H. McLean, 1989 (SUTILIZONIDAE)
- Temnoconcha, Subgenus Macoma (Temnoconcha) W.H. Dall, 1921 (TELLINIDAE)
- Temnodiscus, Genus Temnodiscus Koken, 1896 (TROPIDODISCIDAE) (FOSSIL)
- temnonema, Retispira temnonema Batten, 1972 † - (KNIGHTITIDAE) (FOSSIL)
- temnopleuricola, Vitreobalcis temnopleuricola Y. Fujioka & T. Habe, 1983 - (EULIMIDAE)
- Temnoptychites, syn of: Genus Nikitinoceras Sokolov , 1913 (POLYPTYCHITIDAE) (FOSSIL)
- Temnospira, Genus Temnospira Perner, 1903 (CRASPEDOSTOMATIDAE) (FOSSIL)
- Temnotaia, Subgenus Taia (Temnotaia) Annandale, 1919 (VIVIPARIDAE) (FOSSIL)
- TEMNOTROPIDAE Cox, 1960 - Family (GASTROPODA-VETIGASTROPODA [Subclass]-HALIOTOIDEA [Superfamily]) (FOSSIL)
- Temnotropis, Genus Temnotropis Laube, 1868 (TEMNOTROPIDAE) (FOSSIL)
- Temnozaga, Genus Temnozaga J.H. McLean, 1989 (SUTILIZONIDAE)
- tempeii, Oscilla tempeii (S. Nomura, 1937) - (PYRAMIDELLIDAE)
- temperans, Cerithiopsis temperans (J. Marwick, 1931 †) - (CERITHIOPSIDAE) (FOSSIL)
- temperans, Temperoceras temperans Barrande, 1867 † - syn of: Temperoceras ludense (J. de C. Sowerby, 1839 †) - (GEISONOCERATIDAE) (FOSSIL)
- temperans, Orthoceras temperans Barrande, 1867 † - syn of: Temperoceras ludense (J. de C. Sowerby, 1839 †) - (ORTHOCERATIDAE) (FOSSIL)
- temperata, Hemicycla temperata A. Mousson, 1872 - syn of: Hemicycla psathyra temperata (A. Mousson, 1872) - (HELICIDAE)
- temperata, Hemicycla psathyra temperata (A. Mousson, 1872) - (HELICIDAE)
- temperata, Psammobia temperata B.C. Cotton & F.C. Godfrey, 1938 - syn of: Gari modesta (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- temperata, Gari temperata B.C. Cotton & F.C. Godfrey, 1938 - syn of: Gari modesta (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- temperata, Miralda temperata E. Rolán & F. Fernandes, 1993 - (PYRAMIDELLIDAE)
- temperata, Tellina temperata T.H. Aldrich, 1911 † - (TELLINIDAE) (FOSSIL)
- temperatum, Dactylioceras temperatum Buckman, 1927 † - (DACTYLIOCERATIDAE) (FOSSIL)
- temperatus, Phos temperatus K. Fraussen & G.T. Poppe, 2005 - (NASSARIIDAE)
- Temperoceras, Genus Temperoceras Barskov, 1960 (GEISONOCERATIDAE) (FOSSIL)
- tempestae, Drillia tempestae B.F. Kensley & Pether, 1986 † - (DRILLIIDAE) (FOSSIL)
- tempestiva, Flexiclymenia tempestiva Czarnocki, 1989 † - (CYMACLYMENIIDAE) (FOSSIL)
- tempisquensis, Jorunna tempisquensis Y. Camacho-García & T.M. Gosliner, 2008 - (DISCODORIDIDAE)
- tempisquensis, Mayabina tempisquensis D.W. Taylor, 2003 - (PHYSIDAE)
- tempisquensis, Nephronaias tempisquensis H.A. Pilsbry, 1920 - (UNIONIDAE)
- templadoi, Paliolla templadoi (J.A. Ortea, 1989) - (GYMNODORIDIDAE)
- templadoi, Haminoea templadoi F.J. García, Perez-Hurtado & J.C. García-Gómez, 1991 - (HAMINOEIDAE)
- templadoi, Turbonilla templadoi A. Peñas & E. Rolán, 1997 - (PYRAMIDELLIDAE)
- templadoi, Dikoleps templadoi F. Rubio, L. Dantart & A.A. Luque, 2004 - (SKENEIDAE)
- templaris, Turbonilla templaris J.C. Melvill, 1898 - (PYRAMIDELLIDAE)
- templeana, Assiminea templeana G. Nevill, 1880 - (ASSIMINEIDAE)
- templemani, Tortulosa templemani (L. Pfeiffer, 1852) - (PUPINIDAE)
- templetonense, Eucalycoceras templetonense Cobban, 1988 † - (ACANTHOCERATIDAE) (FOSSIL)
- templetonis, Turbonilla templetonis L.G. Hertlein & A.M. Strong, 1951 - (PYRAMIDELLIDAE)
- templi, Avenionia templi E. Caziot, 1910 - syn of: Avenionia brevis (J.P.R. Draparnaud, 1805) - (HYDROBIIDAE)
- templiana, Peasiella templiana G. Nevill, 1885 - syn of: Peasiella roepstorffiana (G. Nevill, 1885) - (LITTORINIDAE)
- templiana, Risella templiana G. Nevill, 1885 - syn of: Peasiella roepstorffiana (G. Nevill, 1885) - (LITTORINIDAE)
- templiana nigrofasciata, Risella templiana nigrofasciata G. Nevill, 1885 - syn of: Peasiella roepstorffiana (G. Nevill, 1885) - (LITTORINIDAE)
- templiana subimbricata, Risella templiana subimbricata G. Nevill, 1885 - syn of: Peasiella roepstorffiana (G. Nevill, 1885) - (LITTORINIDAE)
- templorum, Helix templorum T.A. de M. Monterosato, 1892 - syn of: Murella muralis costulata (L. Benoit, 1857) - (HELICIDAE)
- templorum, Murella muralis templorum (A.E.J. Férussac, 1835) - (HELICIDAE)
- templorum, Orculella templorum (L. Benoit, 1862) - (ORCULIDAE)
- temporaria, Agathotoma temporaria E. Rolán & J. Otero-Schmidt, 1999 - (MANGELIIDAE)
- temporemutatus, Fautor temporemutatus (Finlay, 1924 †) - (CALLIOSTOMATIDAE) (FOSSIL)
- Temporena, Genus Temporena T. Iredale, 1933 (CAMAENIDAE)
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