Classification of Agnolín et al. 2023

Cl. Chondrichthyes Huxley 1880 [cartilaginous fish]
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Or. Lamniformes Berg 1958 [mackerel shark]
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Fm. Lamnidae Müller and Henle 1838 [mackerel shark]
Superfm. †Iguanodontoidea Hay 1902
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Invalid names: Euiguanodontia Coria and Salgado 1996 [empty]
Unr. Sarcopterygii Romer 1955 [lobe-finned fish]
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Unr. Dipnoi Müller 1884 [lungfish]
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Or. Ceratodontiformes Berg 1940 [Australian lungfish]
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G. †Atlantoceratodus Cione et al. 2007
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†Atlantoceratodus iheringi Ameghino 1906
Unr. †Lithostrotia Wilson and Upchurch 2003
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Unr. †Colossosauria González Riga et al. 2019
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G. †Dreadnoughtus Lacovara et al. 2014
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†Dreadnoughtus schrani Lacovara et al. 2014
Unr. †Ceratosauria Marsh 1884 [ceratosaur]
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Superfm. †Abelisauroidea Bonaparte 1991
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Fm. †Abelisauridae Bonaparte and Novas 1985
Unr. Dinosauria Owen 1842 [dinosaur]
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Unr. †Ornithischia Seeley 1888 [ornithischian]
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Subor. †Ornithopoda Marsh 1881 [ornithopod]
Unr. Saurischia Seeley 1888 [saurischian]
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Unr. †Sauropoda Marsh 1878 [sauropod]
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Unr. †Titanosauria Bonaparte and Coria 1993
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G. †Clasmodosaurus Ameghino 1898
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†Clasmodosaurus spatula Ameghino 1898
Unr. Theropoda Marsh 1881 [theropod]
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Unr. Averostra Paul 2002
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G. †Austrocheirus Ezcurra et al. 2010
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†Austrocheirus isasii Ezcurra et al. 2010
Unr. Coelurosauria Huene 1914 [coelurosaur]
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Unr. †Megaraptora Benson et al. 2010
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Fm. †Megaraptoridae Novas et al. 2013
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G. †Orkoraptor Novas et al. 2008
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†Orkoraptor burkei Novas et al. 2008
Unr. Lepidosauromorpha Benton 1983
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Fm. †Mosasauridae Gervais 1852 [mosasaur]
Unr. Archosauria Cope 1869 [archosaur]
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Unr. Crocodylomorpha Hay 1930 [crocodilian]
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Fm. †Peirosauridae Gasparini 1982
Unr. †Elasmaria Calvo et al. 2007
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G. †Talenkauen Novas et al. 2004
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†Talenkauen santacrucensis Novas et al. 2004
Unr. Testudinata Oppel 1811 [turtle]
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Subcl. Testudines Batsch 1788 [turtle]
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Unr. Pleurodira Cope 1865 [sideneck turtle]
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Fm. Chelidae Gray 1825
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Invalid names: Hydromedusinae Baur 1893 [empty]
Unr. Actinopterygii Cope 1887 [ray-finned fish]
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Or. Lepisosteiformes Hay 1929 [gar]
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Fm. Lepisosteidae Cuvier 1825