D

Daanosaurus Ye, Gao, and Jiang, 2005
    type species: D. zhangi Ye et al., 2005
Dacentrurus Lucas, 1902
    type species: D. armatus (Owen 1875 (originally Omosaurus))
    other species: D. durobrivensis (N.D.) (Hulke, 1877 (originally Omosaurus))="O." durobrivensis
                         D. hastiger (N.D.) (Owen, 1877 (originally Omosaurus))="O." hastiger
                         D. leedsi (N.D.) (Seeley vide Huene, 1901 (originally Omosaurus))="O." leedsi
                         D. lennieri (N.D.) (Nopcsa, 1911 (originally Omosaurus)=D. armatus
                         D. phillipsi (N.D.) (Seeley, 1893 (originally Omosaurus))="O." phillipsi
                         D. pusillus (N.D.) (Lapparent and Zbyszewski, 1957 (originally Astrodon))="A." pusillus
                         D. vetustus (N.D.) (Huene, 1910 (originally Omosaurus))="O." vetustus
"Dachongosaurus" (or "Dachungosaurus") (N.N.) Zhao, 1985
    "type species": "D. yunnanensis" (N.N.) Zhao, 1985
Daemonosaurus Sues, Nesbitt, Berman, and Henrici, 2011
    type species: D. chauliodus Sues et al., 2011
Dakotadon Paul, 2008
    type species: D. lakotaensis (Weishampel and Bjork, 1989 (originally Iguanodon))
"Damalosaurus" (N.N.) Zhao, 1983
    "type species": "D. magnus" (N.N.) Zhao, 1986
    other species: "D. laticostalis" (N.N.) Zhao, 1986="D. magnus" (or the other way around)
Dandakosaurus (N.D.) Yadagiri 1990
    type species: D. indicus (N.D.) Yadagiri 1990
Danubiosaurus (N.D.) Bunzel, 1871
    type species: D. anceps (N.D.) Bunzel, 1871
"Daptosaurus" (N.N.) Brown vide Chure and McIntosh, 1989=Deinonychus
    "type species": "D. agilis" (N.N.) Brown vide Chure and McIntosh, 1989=Deinonychus antirrhopus
Dashanpusaurus Peng, Ye, Gao, Shu, and Jiang, 2005
    type species: D. dongi Peng et al., 2005
Daspletosaurus Russell, 1970
    type species: D. torosus Russell, 1970
Datousaurus Dong and Tang, 1984
    type species: D. bashanensis Dong and Tang, 1984
Daxiatitan H.-L. You, D.-Q. Li, L.-Q. Zhou, and Q. Ji, 2008
    type species: D. binglingi H.-L. You et al., 2008
Deinocheirus Osmólska and Roniewicz, 1970
    type species: D. mirificus Osmólska and Roniewicz, 1970
Deinodon (N.D.) Leidy, 1856
    type species: D. horridus (N.D.) Leidy, 1856
Deinonychus Ostrom, 1969
    type species: D. antirrhopus Ostrom, 1969
    other species: "D. koreanensis" (N.N.) Kim, 1993="Koreanosaurus"
Delapparentia Ruiz-Omeñaca, 2011
    type species: D. turolensis Ruiz-Omeñaca, 2011
Deltadromeus Sereno, Dutheil, Iarochene, Larrson, Lyon, Magwene, Sidor, Varricchio, and Wilson, 1996
    type species: D. agilis Sereno et al., 1996
Demandasaurus Fernández-Baldor, Canudo, Huerta, Montero, Suberbiola, and Salgado, 2011
    type species: D. darwini Fernández-Baldor et al., 2011
Denversaurus Bakker, 1988=Edmontonia
   type species: D. schlessmani Bakker, 1988=Edmontonia schlessmani
Diabloceratops Kirkland and Deblieux, 2010
    type species: D. eatoni Kirkland and Deblieux, 2010
"Diceratops" Hatcher, 1905/Foerster, 1868=Nedoceratops
    type species: "D." hatcheri Lull, 1905=Nedoceratops hatcheri
Diamantinasaurus Hocknull, White, Tischler, Cook, Calleja, Sloan, and Elliott, 2009
    type species: D. matildae Hocknull et al., 2009
Diceratus Mateus, 2008=Nedoceratops
    type species: D. hatcheri (Lull, 1905 (originally Diceratops))=Nedoceratops hatcheri
Diclonius (N.D.) Cope, 1876
    type species: D. pentagonus (N.D.) Cope, 1876
    other species: D. calamarius (N.D.) Cope, 1876
                         D. perangulatus (N.D.) Cope, 1876
                         D. mirabilis (N.D.) (Cope, 1883 (originally Trachodon))=Trachodon mirabilis
Dicraeosaurus Janensch, 1914
    type species: D. hansemanni Janensch, 1914
    other species: D. sattleri Janensch, 1914
Didanodon (N.D.) Osborn, 1902="Trachodon"
   type species: D. altidens (N.D.) (Lambe, 1902 (originally Trachodon))="Trachodon" altidens
Dilong Xu, Norell, Kuang, Wang, Zhao Q., and Jia, 2004
    type species: D. paradoxus Xu et al., 2004
Dilophosaurus Welles, 1970
    type species: D. wetherilli (Welles, 1954 (originally Megalosaurus))
    other species: D. breedsorum Welles vide Welles and Pickering, 1999=D. wetherilli
                         "D." sinensis Hu, 1993>Dilophosauridae
Dimodosaurus (N.D.) Pidancet and Chopard, 1862
   type species: D. poligniensis (N.D.) Pidancet and Chopard, 1862
Dinheirosaurus Bonaparte and Mateus, 1999
    type species: D. lourinhanensis Bonaparte and Mateus, 1999
Dinodocus (N.D.) Owen, 1884
   type species: D. mackesoni (N.D.) Owen, 1884
Dinosaurus Rütimeyer, 1856/Fisher de Waldheim, 1847=Gresslyosaurus
   "type species": "D. gresslyi" (N.N.) Rütimeyer, 1856=Gresslyosaurus ingens
Dinotyrannus Olshevsky, 1995=Tyrannosaurus
    type species: D. megagracilis (Paul, 1988 (originally Albertosaurus))=Tyrannosaurus rex
Diodorus Kammerer, Nesbitt, and Shubin, 2011
    type species: D. scytobrachion Kammerer et al., 2011
Diplodocus Marsh, 1878
    type species: D. longus Marsh, 1878
    other species: D. carnegii Hatcher, 1901
                         D. hallorum (Gillette, 1991 (originally Seismosaurus))=D. longus
                         "D." hayi Holland, 1924>Diplodocidae i.s.
                         "D." lacustris (N.D.) Marsh, 1884>Diplodocidae i.s. 
Diplotomodon (N.D.) Leidy, 1868="Tomodon"
    type species: D. horrificus (N.D.) (Leidy, 1865 (originally Tomodon))="T." horrificus
Diracodon Marsh, 1881=?Stegosaurus
   type species: D. laticeps Marsh, 1881=Stegosaurus ?stenops
   other species: D. stenops (Marsh, 1887 (originally Stegosaurus))=Stegosaurus stenops
Dolichosuchus (N.D.) Huene, 1932
    type species: D. cristatus (N.D.) Huene, 1932
Dollodon Paul, 2008
    type species: D. bampingi Paul, 2008 (alternatively D. seelyi (Hulke, 1882 (originally Iguanodon))
"Domeykosaurus chilensis"=Atacamasaurus chilensis
Dongbeititan Wang X., You H., Meng Q., Gao C., Chang X., and Liu J., 2007
    type species: D. dongi Wang, X. et al., 2007
Dongyangosaurus Lü J., Azuma, Chen R., Zheng W., and Jin X., 2008
    type species: D. sinensis Lü J. et al., 2008
Doryphorosaurus Nopcsa, 1916=Kentrosaurus
   type species: D. aethiopicus (Hennig, 1915 (originally Kentrosaurus))=Kentrosaurus aethiopicus
Draconyx Mateus and Antunes, 2001
    type species: D. loureiroi, Mateus and Antunes, 2001
Dracopelta Galton, 1980
    type species: D. zbyszewskii Galton, 1980
Dracorex Bakker, Sullivan, Lucas, Larson, and Saulsbury, 2006=Pachycephalosaurus
    type species: D. hogwartsia Bakker et al., 2006=Pachycephalosaurus wyomingensis
Dracovenator Yates, 2006
    type species: D. regenti Yates, 2006
Dravidosaurus Yadagiri and Ayyasami, 1979
    type species: D. blanfordi Yadagiri and Ayyasami, 1979
Drinker Bakker, Galton, Siegwarth, and Filla, 1990
    type species: D. nisti Bakker et al., 1990
Dromaeosauroides Christiansen and Bonde, 2003
    type species: D. bornholmensis Christiansen and Bonde, 2003
Dromaeosaurus Matthew and Brown, 1922
    type species: D. albertensis Matthew and Brown, 1922
    other species: D. cristatus (N.D.) (Cope, 1876 (originally Laelaps))="L." cristatus
                         D. explanatus (N.D.) (Cope, 1876 (originally Laelaps))="L." explanatus
                         D. gracilis (N.D.) (Marsh, 1888 (originally Coelurus))="C." gracilis
                         D. laevifrons (N.D.) (Cope, 1876 (originally Laelaps))="L." laevifrons
Dromiceiomimus Russell, 1972
    type species: D. brevitertius (Parks, 1926 (originally Struthiomimus))
    other species: D. samueli (Parks, 1928 (originally Struthiomimus))
Dromicosaurus (?N.D.) Hoepen, 1920
    type species: D. gracilis (?N.D.) Hoepen, 1920
Dromomeron Irmis, Nesbitt, Padian, Smith, Turner, Woody, and Downs, 2007
    type species: D. romeri Irmis et al., 2007
    other species: D. gregorii Nesbitt, Irmis, Parker, Smith, Turner, and Rowe, 2009
Drusilasaura Navarrete, Casal, and Martínez, 2011
    type species: D. deseadensis Navarrete et al., 2011
Dryosaurus Marsh, 1894
    type species: D. altus (Marsh, 1878 (originally Laosaurus))
    other species: D. canaliculatus Galton, 1975=Valdosaurus canaliculatus
                         D. leedsi (Lydekker, 1889 (originally Camptosaurus))=Callovosaurus leedsi
                         D. lettowvorbecki (Virchow, 1919 (originally Dysalotosaurus))=Dysalatosaurus lettowvorbecki                          
                        "D." grandis Lull, 1911 (N.D.)>Coelurosauria incertae sedis
Dryptosauroides (N.D.) Huene and Matley, 1933
    type species: D. grandis (N.D.) Huene and Matley, 1933
Dryptosaurus Marsh, 1877
    type species: D. aquilunguis (Cope, 1866 (originally Laelaps))
    other species: D. crenatissimus (Depéret, 1896 (originally Megalosaurus))=Majungasaurus crenatissimus
                          D. incrassatus (N.D.) (Cope, 1876 (originally Laelaps)="L." incrassatus
                          D. gallicus (Cope, 1867 (originally Laelaps))=Streptospondylus altdorfensis
                          D. horrificus (N.D.) (Leidy, 1865 (originally Tomodon))="T." horrificus
                          D. medius (N.D.) (Marsh, 1888 (originally Allosaurus))="A." medius
                          D. potens (N.D.) (Lull, 1911 (originally Creosaurus))="Creosaurus" potens
                          D. saharicus (Depéret and Savornin, 1927 (originally Megalosaurus))=Carcharodontosaurus saharicus
                          D. superbus (Sauvage, 1882 (originally Megalosaurus))=Erectopus superbus
                          "D." kenabekides (N.D.) Hay, 1899>Tyrannosauridae incertae sedis
Dubreuillosaurus Allain, 2005
    type species: D. valesdunensis (Allain, 2002 (originally Poekilopleuron))
Duriatitan Barrett, Benson, and Upchurch, 2010
    type species: D. humerocristatus (Hulke, 1874 (originally Cetiosaurus))
Duriavenator Benson, 2008
    type species: D. hesperis (Waldman, 1974 (originally Megalosaurus))
Dynamosaurus Osborn, 1905=Tyrannosaurus
   type species: D. imperiosus Osborn, 1905=Tyrannosaurus rex
Dyoplosaurus Parks, 1924
   type species: D. acutosquameus Parks, 1924
   other species: D. giganteus Maleev, 1956=Tarchia gigantea
Dyasalotosaurus Virchow, 1919
   type species: D. lettowvorbecki Virchow, 1919
Dysganus (N.D.) Cope, 1876
    type species: D. encaustus (N.D.) Cope, 1876
    other species: D. bicarinatus (N.D.) Cope, 1876
                         D. haydenianus (N.D.) Cope, 1876
                         D. peiganus (N.D.) Cope, 1876
Dyslocosaurus McIntosh, Coombs, and Russell, 1992
    type species: D. polyonychius McIntosh et al., 1992
Dystrophaeus (?N.D.) Cope, 1877
    type species: D. viamalae (?N.D.) Cope, 1877
Dystylosaurus Jensen, 1985=?Supersaurus
    type species: D. edwini Jensen, 1985=?Supersaurus vivianae