G

"Gadolosaurus" (N.N.) Saito, 1979
Gallimimus Osmólska, Roniewicz, and Barsbold, 1972
    type species: G. bullatus Osmólska et al., 1972
    other species: G. mongoliensis Kobayashi and Barsbold, 2006
Galveosaurus Sánchez-Hernández, 2005=Galvesaurus
    type species: G. herreroi Sánchez-Hernández, 2005
Galvesaurus Barco, Canudo, Cuenca-Bescós, and Ruiz-Omeñaca, 2005=Galveosaurus
    type species: G. herreroi Barco et al., 2005
Gargoyleosaurus Carpenter, Miles, and Cloward, 1998
    type species: G. parkpinorum Carpenter et al., 1998
Garudimimus Barsbold, 1981
    type species: G. brevipes Barsbold, 1981
Gasosaurus Dong and Tang, 1985
    type species: G. constructus Dong and Tang, 1985
Gasparinisaura Coria and Salgado, 1996
    type species: G. cincosaltensis Coria and Salgado, 1996
Gastonia Kirkland, 1998
    type species: G. burgei Kirkland, 1998
Genusaurus Accarie, Beaudoin, Dejax, Friès, Michard, and Taquet, 1995
    type species: G. sisteronis Accarie et al., 1995
Genyodectes Woodward, 1901
    type species: G. serus Woodward, 1901
Geranosaurus (N.D.) Broom, 1911
    type species: G. atavus (N.D.) Broom, 1911
Giganotosaurus Coria and Salgado, 1995
    type species: G. carolinii Coria and Salgado, 1995
Gigantoraptor Xu X., Tan Q., Wang J., Zhao X., and Tan L., 2007
    type species: G. erlianensis Xu X. et al, 2007
Gigantosaurus (N.D.) Seeley, 1869
    type species: G. megalonyx (N.D.) Seeley, 1869
    other species: G. africanus (Fraas, 1908 (originally another Gigantosaurus))=?Tornieria africana
                          G. dixeyi (Haughton, 1928 (originally another Gigantosaurus))=Malawisaurus dixeyi
                          G. robustus (Fraas, 1908 (originally another Gigantosaurus))=Janenschia robusta
Gigantosaurus Fraas, 1908/Seeley, 1869=Tornieria
    "type species": "G." africanus Fraas, 1908=T. africana
    other species: "G." dixeyi Haughton, 1928=Malawisaurus dixeyi
                          "G." robustus Fraas, 1908=Janenschia robusta
Gigantoscelus (N.D.) Hoepen, 1916
    type species: G. molengraaffi (N.D.) Hoepen, 1916
Gigantspinosaurus Ouyang, 1992 (also "Gigantospinosaurus")
    type species: G. sichuanensis Ouyang, 1992
Gilmoreosaurus Brett-Surman, 1979
    type species: G. mongoliensis (Gilmore, 1933 (originally Mandschurosaurus))
    other species: ?G. arkhangelskyi (?N.D.) Nessov, 1995
                          "G." atavus (N.D.) Nessov, 1995>Iguanodontia incertae sedis
"Ginnareemimus" [no species name given] (N.N.) Kaneko, 2000
Giraffatitan Olshevsky, 1991
    type species: G. brancai (Janensch, 1914 (originally Brachiosaurus))
Glacialisaurus N. Smith and Pol, 2007
    type species: G. hammeri N. Smith and Pol, 2007
Glyptodontopelta (?N.D.) Ford, 2000
    type species: G. mimus (?N.D.) Ford, 2000
Gobisaurus Vickaryous, Russell, Currie, and Zhao, 2001 
    type species: G. domoculus Vickaryous et al., 2001
Gobititan You, Tang, and Luo, 2003
    type species: G. shenzhouensis You et al., 2003
Gojirasaurus Carpenter, 1997
    type species: G. quayi Carpenter, 1997
Gondwanatitan Kellner and de Azevedo, 1999
    type species: G. faustoi Kellner and de Azevedo, 1999
Gongbusaurus (N.D.) Dong, Zhou, and Zhang, 1983
    type species: G. shiyii (N.D.) Dong et al., 1983
    other species: "G." wucaiwanensis Dong, 1989>Ornithischia incertae sedis
Gongxianosaurus He, Wang, Liu S., Zhou, Liu T., Cai, and Dai, 1998
    type species: G. shibeiensis He et al., 1998
Gorgosaurus Lambe, 1914
    type species: G. libratus Lambe, 1914
    other species: G. lancensis Gilmore, 1946=Tyrannosaurus lancensis
                          G. lancinator Maleev, 1955=Tarbosaurus bataar
                          G. novojilovi Maleev, 1955=Tarbosaurus bataar
                          G. sternbergi Matthew and Brown, 1923=G. ?libratus
Goyocephale Perle, Maryanska, and Osmólska, 1982
    type species: G. lattimorei Perle et al., 1982
Graciliceratops Sereno, 2000
    type species: G. mongoliensis Sereno, 2000
Graciliraptor Xu and Wang, 2004
    type species: G. lujiatunensis Xu and Wang, 2004
"Gravisaurus" (N.N.) Chabli, 1988=Lurdusaurus
   "type species": "G. tenerensis" (N.N.) Chabli, 1988=Lurdusaurus arenatus
Gravitholus (?N.D.) Wall and Galton, 1979
    type species: G. albertae (?N.D.)Wall and Galton, 1979
Gresslyosaurus (N.D.) Rütimeyer, 1856
   type species: G. ingens (N.D.) Rütimeyer, 1856
   other species: "G." torgeri (N.D.) Jaekel, 1911>Sauropodomorpha incertae sedis
                        "G." robustus (N.D.) Huene, 1907-08>Sauropodomorpha incertae sedis
Griphornis Owen vide Woodward, 1862=Archaeopteryx
   type species: G. longicaudatus Owen vide Woodward, 1862=Archaeopteryx lithographica
Griphosaurus Woodward, 1862=Archaeopteryx
   type species: G. problematicus Woodward, 1862=Archaeopteryx lithographica
"Gruimimus [or Grusimimus] tsuru" (N.N.) [a basal ornithomimosaurian]
Gryponyx Broom, 1911
   type species: G. africanus Broom, 1911
   other species: "G." taylori (N.D.) Haughton, 1924>Sauropodomorpha incertae sedis
                        "G." transvaalensis (N.D.) Broom, 1912>Sauropodomorpha incertae sedis
Gryposaurus Lambe, 1914
    type species: G. notabilis Lambe, 1914
    other species: G. incurvimanus (Parks, 1920 (originally Kritosaurus))
                         G. latidens Horner, 1992
                         G. monumentensis Gates and Sampson, 2007
Guaibasaurus Bonaparte, Ferigolo, and Ribeiro, 1999
    type species: G. candelariai Bonaparte et al., 1999
Guanlong Xu, Clark, Forster, Norell, Erickson, Eberth, Jia, and Zhao Q., 2006
    type species: G. wucaii Xu et al., 2006
Gyposaurus (?N.D.) Broom, 1911
    type species: G. capensis (?N.D.) Broom, 1911
    other species: G. erectus (Hoepen, 1920 (originally Aristosaurus))=Aristosaurus erectus                         
                         G. skirtopodus (N.D.) (Seeley, 1894 (originally Hortalotarsus))=Hortalotarsus skirtopodus
                         "G." sinensis Yang, 1941>Sauropodomorpha incertae sedis