Classification of the superfamily Alligatoroidea
Unr. †Alligatoroidea Gray 1844
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G. †Deinosuchus Holland 1909
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†Deinosuchus hatcheri Holland 1909
†Deinosuchus riograndensis Colbert and Bird 1954
†Deinosuchus schwimmeri Cossette and Brochu 2020
Invalid names: Phobosuchus Nopcsa 1924 [synonym], Pliogonodon priscus Leidy 1856 [nomen dubium], Polydectes Cope 1869 [synonym]
G. †Diplocynodon Pomel 1847
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†Diplocynodon buetikonensis von Meyer 1855
†Diplocynodon darwini Ludwig 1877
†Diplocynodon deponiae Frey et al. 1987
†Diplocynodon elavericus Martin 2010
†Diplocynodon kochi Venczel and Codrea 2022
†Diplocynodon levantinicum Huene and Nikoloff 1963
†Diplocynodon muelleri Kalin 1936
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Invalid names: Diplocynodon guerini Bataller 1941 [synonym], Diplocynodon marini Bataller 1941 [synonym]
†Diplocynodon ratelii Pomel 1847
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Invalid names: Asiatosuchus monsvialensis Fabiani 1914 [synonym], Diplocynodon gracilis Vaillant 1872 [synonym]
†Diplocynodon remensis Martin et al. 2014
†Diplocynodon tormis Buscalioni et al. 1992
†Diplocynodon ungeri Prangner 1845
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Invalid names: Crocodilus steineri Hofmann 1887 [synonym], Crocodilus styriacus Hofmann 1887 [synonym]
Invalid names: Crocodylus dalpiazi Fabiani 1915 [nomen dubium], Crocodylus monsvialensis Fabiani 1914 [nomen dubium]
Unr. †Globidonta Brochu 1999
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Unr. Alligatoridae Gray 1844
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Unr. Alligatorinae Cuvier 1807
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G. Alligator Daudin 1809 [alligator]
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†Alligator gaudryi de Stefano 1905
†Alligator hailensis Stout 2020
†Alligator hantoniensis Wood 1846
†Alligator heterodon Cope 1873
†Alligator luicus Li and Wang 1987
†Alligator mcgrewi Schmidt 1941
†Alligator mefferdi Mook 1946
Alligator mississippiensis Daudin 1801 [American alligator]
†Alligator munensis Darlim et al. 2023
†Alligator olseni White 1942
†Alligator prenasalis Loomis 1904
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Invalid names: Allognathosuchus riggsi Patterson 1931 [synonym], Caimanoidea visheri Mehl 1916 [synonym]
Alligator sinensis Fauvel 1879 [Chinese alligator]
†Alligator thomsoni Mook 1923
G. †Allognathosuchus Mook 1921
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†Allognathosuchus heterodon Cope 1873
†Allognathosuchus mlynarskii Estes 1988
†Allognathosuchus polyodon Cope 1873
†Allognathosuchus wartheni Case 1925
†Allognathosuchus woutersi Buffetaut 1985
Invalid names: Chrysochampsa Estes 1988 [synonym]
G. †Navajosuchus Mook 1942
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Unr. †Caimaninae Brochu 1999
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G. †Brachychampsa Gilmore 1911
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†Brachychampsa montana Gilmore 1911
†Brachychampsa sealeyi Williamson 1996
Unr. †Jacarea Gray 1844
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G. †Acresuchus Souza-Filho et al. 2019
G. †Bottosaurus Agassiz 1849
G. Melanosuchus Gray 1862 [black caiman]
G. †Necrosuchus Simpson 1937
G. Paleosuchus Gray 1862 [caiman]
G. †Protocaiman Bona et al. 2018
G. †Purussaurus Barbosa Rodrigues 1892
G. †Tsoabichi Brochu 2010
G. †Kuttanacaiman Salas-Gismondi et al. 2015
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†Kuttanacaiman iquitosensis Salas-Gismondi et al. 2015
G. †Mourasuchus Price 1964
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†Mourasuchus amazonensis Price 1964
†Mourasuchus arendsi Bocquentin Villanueva 1984
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Invalid names: Mourasuchus nativus Gasparini 1985 [synonym]
†Mourasuchus atopus Langston 1965
†Mourasuchus pattersoni Cidade et al. 2017
Invalid names: Carandaisuchus Gasparini 1985 [synonym], Nettosuchus Langston 1965 [synonym]
Invalid names: Caiman tremembensis Chiappe 1988 [nomen dubium], Nettosuchidae Langston 1965 [empty]
G. †Caimanoidea Mehl 1916
G. †Dinosuchus Gervais 1876
G. †Hispanochampsa Kalin 1936
G. †Proalligator Ambrosetti 1890
G. †Eocaiman Simpson 1933
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†Eocaiman cavernensis Simpson 1933
†Eocaiman itaboraiensis Pinheiro et al. 2013
†Eocaiman palaeocenicus Bona 2007
Invalid names: Notocaiman Rusconi 1937 [synonym]
Unr. †Orientalosuchina Massonne et al. 2019
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G. †Procaimanoidea Gilmore 1946
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†Procaimanoidea kayi Mook 1941
†Procaimanoidea utahensis Gilmore 1946
G. †Leidyosuchus Lambe 1907
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Invalid names: Balanerodus Langston 1965 [nomen dubium], Balanerodus logimus Langston 1965 [nomen dubium], Bottosaurus perrugosus Cope 1874 [nomen dubium], Diplocynodontinae Brochu 1999 [empty]