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†suborder Gymnarthriformes Hay 1930

PaleoDB taxon number: 414368

Synonym: Gymnarthria Case 1910 [replaced name] (taxon 194930)

Full reference: O. P. Hay. 1930. Second Bibliography and Catalogue of the Fossil Vertebrata of North America 390(II):1-1074

Parent taxon: Cotylosauria according to O. P. Hay 1930

Sister taxa: Amniota, Archeria, Bathyglyptus, Captorhiniformes, Captorhinomorpha, Chamasaurus, Conodectiformes, Datheosauri, Diadectiformes, Diadectomorpha, Diadectosauria, Labidosauria, Limnoscelia, Pantyliformes, Pantyloidea, Pareiasauriformes, Sauraviformes, Solenodonsauridae, Tomicosaurus, Trilophosauria

Subtaxa: none