T

Talarurus Maleev, 1952
    type species: T. plicatospineus Maleev, 1952
    other species: T. disparoserratus (Maleev, 1952 (originally Syrmosaurus))=?T. plicatospineus
                         T. magnus (N.D.) (Kurzanov and Tumanov, 1978))=?T. plicatospineus
Talenkauen Novas, Cambiaso, and Ambrosio, 2004
     type species: T. santacrucensis Novas et al., 2004
Tangvayosaurus Allain, Taquet, Battail, Dejax, Richir, Veran, Limon-Duparcmeur, Vacant, Mateus, Sayarath, Khenthavong, and Phouyavong, 1999
    type species: T. hoffeti Allain et al., 1999
Tanius Wiman, 1929
    type species: T. sinensis Wiman, 1929
    other species: T. akkurganensis (N.D.) (Suslov and Shilin, 1982 (originally Arstanosaurus))= Arstanosaurus akkurganensis
                         T. chingkankouensis Yang, 1958=T. sinensis
                         T. laiyangensis Zhen, 1976=Tsintaosaurus spinorhinus
                         T. spinorhinus (Yang, 1958 (originally Tsintaosaurus))=Tsintaosaurus spinorhinus
Tanycolagreus Carpenter, Miles, and Cloward, 2005
    type species: T. topwilsoni Carpenter et al., 2005
Tanystropheus Cope, 1887/Meyer, 1855
    "type species": "T." willistoni (N.D.) Cope, 1887>Neotheropoda incertae sedis
   other species: "T." posthumus (N.D.) Huene, 1907-08>Theropoda incertae sedis
Tanystrosuchus (N.D.) Kuhn, 1963="Tanystropheus"
    type species: T. posthumus (N.D.) (Huene, 1907-08 (originally Tanystropheus))="Tanystropheus" posthumus
Tarascosaurus (?N.D.) Le Loeuff and Buffetaut, 1990
    type species: T. salluvicus (?N.D.) Le Loeuff and Buffetaut, 1990
Tarbosaurus Maleev, 1955
   type species: T. bataar (Maleev, 1955 (originally Tyrannosaurus))
   other species: T. efremovi Maleev, 1955=T. bataar
                        T. lanpingensis (N.D.) (Yeh, 1975 (originally Tyrannosaurus))="Tyrannosaurus" lanpingensis
                        T. luanchuanensis (N.D.) (Dong, 1979 (originally Tyrannosaurus))=T. bataar
                        T. novojilovi (Maleev, 1955 (originally Gorgosaurus))=?T. bataar
                        T. turpanensis (N.D.) (Zhai, Zheng, and Tong, 1978 (originally Tyrannosaurus))= T. bataar
Tarchia Maryanska, 1977
    type species: T. gigantea (Maleev, 1956 (originally Dyoplosaurus))
    other species: T. kielanae Maryanska, 1977=T. gigantea
Tatisaurus (N.D.) Simmons, 1965
    type species: T. oehleri (N.D.) Simmons, 1965
Taveirosaurus (N.D.) Antunes and Sigogneau-Russell, 1991
    type species: T. costai (N.D.) Antunes and Sigogneau-Russell, 1991
Tawasaurus (N.D.) Yang, 1982
    type species: T. minor (N.D.) Yang, 1982
Tazoudasaurus Allain, Aquesbi, Dejax, Meyer, Monbaron, Richir, Rochdy, Russell, and Taquet, 2004
     type species: T. naimi Allain et al., 2004
Technosaurus Chatterjee, 1984
    type species: T. smalli Chatterjee, 1984
Tehuelchesaurus Rich, Vickers-Rich, Gimenez, Cuneo, Puerta, and Vacca, 1999
    type species: T. benitezii Rich et al., 1999
Teinurosaurus (N.D.) Nopcsa, 1928
    type species: T. sauvagei (N.D.) (Huene, 1932 (originally Caudocoelus))
"Teishanosaurus" (N.N.) Dong, 1990
Telmatosaurus Nopcsa, 1903
    type species: T. transsylvanicus (Nopcsa, 1900 (originally Limnosaurus))
    other species: T. cantabrigiensis (N.D.) (Lydekker, 1888 (originally Trachodon))="Trachodon" cantabrigiensis
"Tenantosaurus" (N.N.) Brown vide Chure and McIntosh, 1989=Tenontosaurus
   "type species": "T. kaiseni" (N.N.) Brown vide Chure and McIntosh, 1989=Tenontosaurus tillettorum
Tendaguria Bonaparte, Heinrich, and Wild, 2000
    type species: T. tanzaniensis Bonaparte et al., 2000
Tenontosaurus Ostrom, 1970
    type species: T. tillettorum Ostrom, 1970
    other species: T. dossi Winkler, Murray, and Jacobs, 1997
"Teratosaurus": the dubious sauropodomorph species:
    "T." minor (N.D.) Huene, 1907-08>Sauropodomorpha incertae sedis
    "T." trossingensis (N.D.) Huene, 1907-08>Sauropodomorpha incertae sedis
Tetragonosaurus Parks, 1931=Lambeosaurus
   type species: T. praeceps Parks, 1931=Lambeosaurus lambei
   other species: T. cranibrevis Sternberg, 1935=L.  sp.
                        T. erectofrons Parks, 1931=Corythosaurus casuarius
Texasetes Coombs, 1995
    type species: T. pleurohalio Coombs, 1995
Teyuwasu Kischlat, 1999
   type species: T. barbarenai Kischlat, 1999
Thecocoelurus (N.D.) Huene, 1923="Thecospondylus"
    type species: T. daviesi (N.D.) (Seeley, 1888 (originally Thecospondylus))="Thecospondylus" daviesi
Thecodontosaurus Riley and Stutchbury, 1836
    type species: T. antiquus Riley and Stutchbury, 1836
    other species: T. alophos Haughton, 1932=nondinosaurian
                         T. browni (Seeley, 1895 (originally Massospondylus))="Massospondylus" browni
                         T. caducus Yates, 2003=Pantydraco caducus
                         T. diagnosticus Fraas, 1912=Efraasia minor
                         T. gibbidens Cope, 1878=nondinosaurian
                         T. latespinatus Huene, 1907-08=nondinosaurian
                         T. macgillivrayi (N.D.) (Seeley, 1891 (originally Agrosaurus))=T. antiquus                              
                         T. primus Huene, 1907-08=nondinosaurian
                         T. skirtopodus (N.D.) (Seeley, 1894 (originally Hortalotarsus))=Hortalotarsus skirtopodus
                         "T." dubius (?N.D.) Haughton, 1924>Sauropodomorpha incertae sedis
                         "T." hermannianus (N.D.) Huene, 1907-08>Sauropodomorpha incertae sedis
                         "T." minor (N.D.) Haughton, 1918>Sauropodomorpha incertae sedis
                         "T." subcylindrodon (N.D.) Huene, 1907-08>?Dinosauromorpha incertae sedis
Thecospondylus (N.D.) Seeley, 1882
    type species: T. horneri (N.D.) Seeley, 1882
    other species: "T." daviesi (N.D.) Seeley, 1888>Oviraptorosauria incertae sedis
Therizinosaurus Maleev, 1954
    type species: T. cheloniformis Maleev, 1954
Therosaurus Fitzinger, 1843=?Iguanodon
Thescelosaurus Gilmore, 1913
    type species: T. neglectus Gilmore, 1913
    other species: T. edmontonensis Sternberg, 1940=T. neglectus
                         T. garbanii Morris, 1976=Bugenasaura garbanii
                         T. warreni Parks, 1926=Parksosaurus warrenae
Thespesius (N.D.) Leidy, 1856
    type species: T. occidentalis (N.D.) Leidy, 1856
    other species: T. edmontonensis Gilmore, 1924=Edmontosaurus annectens
                         T. saskatchewanensis Sternberg, 1926=?E. annectens
"Thotobolosaurus" (N.N.) Ellenberger, 1970
    "type species": "T. mabeatae" (N.N.) Ellenberger, 1970
Tianchiasaurus (?N.D.) Dong, 1993
    type species: T. nedegoatpeferima (?N.D.) Dong, 1993
"Tianchungosaurus" (N.N.) Zhao, 1983
Tianzhenosaurus Pang and Cheng, 1998
    type species: T. youngi Pang and Cheng, 1998
Tichosteus (N.D.) Cope, 1877
    type species: T. lucasanus (N.D.) Cope, 1877
    other species:?T. aequifacies (N.D.) Cope, 1877
Tienshanosaurus Yang, 1937
    type species: T. chitaiensis Yang, 1937
Timimus Rich and Rich, 1994
    type species: T. hermani Rich and Rich, 1994
Titanosaurus Marsh, 1877/Lydekker, 1877="Titanosaurus"
    "type species": "T." montanus (N.D.) Marsh, 1877="T." montanus
Titanosaurus (N.D.) Lydekker, 1877
    type species: T. indicus (N.D.) Lydekker, 1877
    other species: T. australis Lydekker, 1893=Neuquensaurus australis
                         T. blandfordi Lydekker, 1879=T. ?indicus
                         T. colberti Jain and Bandyopadhay, 1997=Isisaurus colberti
                         T. dacus Nopcsa, 1915=Magyarosaurus dacus
                         T. nanus (N.D.) Lydekker, 1893=?Neuquensaurus australis
                         T. robustus (N.D.) Huene, 1929=?Saltasaurus loricatus
                         "T." falloti (N.D.) Hoffet, 1942>Titanosauria incertae sedis
                         "T." lydekkeri (N.D.) Huene, 1929>Titanosauria incertae sedis
                         "T." madagascariensis (N.D.) Deperet, 1896>Titanosauria incertae sedis
                         "T." montanus (N.D.) Marsh, 1877>Sauropoda incertae sedis
                         "T." rahioliensis (N.D.) Mathur and Srivastava, 1987>Sauropoda incertae sedis
                          "T." valdensis (N.D.) Huene, 1929>Titanosauria incertae sedis
Tochisaurus Kurzanov and Osmólska, 1991
    type species: T. nemegtensis Kurzanov and Osmólska, 1991
Tomodon Leidy, 1865/Dumeril, 1853
    "type species": "T." horrificus (N.D.) Leidy, 1865>Theropoda incertae sedis
"Tonouchisaurus" (N.N.) Barsbold, 1994
    "type species": "T. mongoliensis" (N.N.) Barsbold, 1994
Tornieria Sternfield, 1911
   type species: T. africana (Fraas, 1908 (originally Gigantosaurus))
   other species: T. dixeyi (Haughton, 1928 (originally Gigantosaurus))=Malawisaurus dixeyi
                        T. gracilis (Janensch, 1961 (originally Barosaurus))=T. africana
                        T. robustus (Fraas, 1908 (originally Gigantosaurus))=Janenschia robusta
Torosaurus Marsh, 1891
    type species: T. latus Marsh, 1891
    other species: T. utahensis (Gilmore, 1946 (originally Arrhinoceratops))
                         T. gladius Marsh, 1891=T. latus                         
Torvosaurus Galton and Jensen, 1979
    type species: T. tanneri Galton and Jensen, 1979
Trachodon (N.D.) Leidy, 1856
    type species: T. mirabilis (N.D.) Leidy, 1856
    other species:  T. atavus (N.D.) Cope, 1871=?Edmontosaurus regalis
                          T. breviceps (N.D.) (Marsh, 1889 (originally Hadrosaurus))="Hadrosaurus" breviceps
                          T. longiceps (N.D.) Marsh, 1897=?Edmontosaurus copei
                          "T." altidens (N.D.) Lambe, 1902>Hadrosauridae incertae sedis
                          "T." amurensis (N.D.) Riabinin, 1925>Hadrosauridae incertae sedis
                          "T." cantabrigiensis (N.D.) Lydekker, 1888>Hadrosauridae incertae sedis
                          "T." marginatus (N.D.) Lambe, 1902>Hadrosauridae incertae sedis
                          "T." selwyni (N.D.) Lambe, 1902>Hadrosauridae incertae sedis
Triceratops Marsh, 1889
    type species: T. horridus (Marsh, 1889 (originally Ceratops))
    other species: T. prorsus Marsh, 1890
                         T. albertensis Sternberg, 1949=T. horridus
                         T. brevicornus Hatcher, 1905=T. horridus
                         T. calicornis Marsh, 1898=T. horridus
                         T. elatus Marsh, 1891=T. horridus
                         T. eurycephalus Schlaikjer, 1935=T. horridus
                         T. flabellatus Marsh, 1889=T. horridus
                         T. hatcheri (Lull, 1905 (originally Diceratops))=Diceratus hatcheri
                         T. obtusus Marsh, 1898=T. horridus
                         T. serratus Marsh, 1890=T. horridus
                         "T." alticornis (N.D.) (Marsh, 1887 (originally Bison))>Ceratopinae incertae sedis
                         "T." galeus (N.D.) Marsh, 1889>Ceratopinae incertae sedis
                         "T." ingens (N.D.) Lull, 1915>Ceratopinae incertae sedis
                         "T." maximus (N.D.) Brown, 1933>Ceratopidae incertae sedis
                         "T." sulcatus (N.D.) Marsh, 1890>Ceratopinae incertae sedis
Trigonosaurus Campos, Kellner, Bertini, and Santucci, 2005
    type species: T. pricei Campos et al., 2005
Trimucrodon (N.D.) Thulborn, 1973
    type species: T. cuneatus (N.D.) Thulborn, 1973
Troodon Leidy, 1856
    type species: T. formosus Leidy, 1856
    other species: T. andrewsi (N.D.) (Harrison and Walker, 1975 (originally Heptasteornis))=Heptasteornis andrewsi
                          T. asiamericanus (N.D.) (Nessov, 1985 (originally Pectinodon))="Pectinodon" asiamericanus
                          T. bakkeri (Carpenter, 1982 (originally Pectinodon))=T. formosus 
                          T. inequalis (Sternberg, 1932 (originally Stenonychosaurus))=?T. formosus                        
                          T. junior (Barsbold, 1974 (originally Saurornithoides))=Saurornithoides junior
                          T. mongoliensis (Osborn, 1924 (originally Saurornithoides))=Saurornithoides mongoliensis
                          T. sternbergi Brown and Schlaikjer, 1943=Stegoceras ?validum
                          T. validus (Gilmore, 1924 (originally Stegoceras))=Stegoceras validum
                          T. wyomingensis Gilmore, 1931=Pachycephalosaurus wyomingensis
                          "T." bexelli Bohlin, 1953>Pachycephalosaurinae incertae sedis
                          "T." edmontonensis (N.D.) Brown and Schlaikjer, 1943>Pachycephalosauridae incertae sedis
                          "T." isfarensis (N.D.) Nessov, 1995>?Hadrosauridae incertae sedis
Tsaagan Norell, Clark, Turner, Makovicky, Barsbold, and Rowe, 2006
    type species: T. mangas Norell et al., 2006
Tsagantegia Tumanova, 1994
    type species: T. longicranialis Tumanova, 1994
Tsintaosaurus Yang, 1958
    type species: T. spinorhinus Yang, 1958
Tugulusaurus Dong, 1973
    type species: T. faciles Dong, 1973
Tuojiangosaurus Dong, Li, Zhou, and Zhang, 1977
    type species: T. multispinus Dong et al., 1977
Turiasaurus Royo-Torres, Cobos, and Alcalá, 2006
    type species: T. riodevensis Royo-Torres et al., 2006
Turanoceratops Nessov, Kaznyshkina, and Cherepanov, 1989
    type species: T. tardabilis Nessov et al., 1989
Tylocephale Maryanska and Osmólska, 1974
    type species: T. gilmorei Maryanska and Osmólska, 1974
    other species: T. bexelli (Bohlin, 1953 (originally Troodon))="Troodon" bexelli
Tylosteus (N.O.) Leidy, 1872=Pachycephalosaurus
   type species: T. ornatus (N.O.) Leidy, 1872=Pachycephalosaurus wyomingensis
Tyrannosaurus Osborn, 1905
    type species: T. rex Osborn, 1905
    other species: T. lancensis (Gilmore, 1946 (originally Gorgosaurus))
                         T. bataar Maleev, 1955=Tarbosaurus bataar
                         T. efremovi (Maleev, 1955 (originally Tarbosaurus))=Tarbosaurus bataar                         
                         T. lancinator (Maleev, 1955 (originally Gorgosaurus))=Tarbosaurus bataar
                         T. luanchuanensis (N.D.) Dong, 1979=Tarbosaurus bataar
                         T. novojilovi (Maleev, 1955 (originally Gorgosaurus))=?Tarbosaurus bataar
                         T. stanwinstonorus Pickering 1996=T. rex
                         T. torosus (Russell, 1970 (originally Daspletosaurus))=Daspletosaurus torosus
                         T. turpanensis (N.D.) Zhai, Zheng, and Tong, 1978=Tarbosaurus bataar
                         "T. lanpingensis" (N.N.) Yeh, 1975>Theropoda incertae sedis
                         "T." zhuchengensis (N.D.) Hu, Cheng, Pang, and Fang, 2002>Tyrannosauridae incertae sedis
Tyrannotitan Novas, de Valai, Vickers-Rich, and Rich, 2005
    type species: T. chubutensis Novas et al., 2005
"Tyreophorus" Huene, 1929=nomen "nonexistum" (possible misapplication of term Thyreophora)