Parent taxon: Archosauromorpha according to P. Senter 2004
See also Benton 1985, Benton 1990, Chatterjee 1980, Chatterjee 1986, Muscio 1997 and Seiffert 1975
Sister taxa: Aenigmastropheus, Arctosaurus, Chasmatosuchus vjushkovi, Crocopoda, Czatkowiella, Elessaurus, Exilisuchus, Exilisuchus tubercularis, Gwyneddosaurus, Helveticosauroidea, Jesairosaurus, Mecistotrachelos, Megalancosauridae, Ocolurtaia, Ocolurtaia arquata, Protorosauria, Protorosaurus, Rhabdopelix longispinis, Tanystropheidae, Teraterpetidae, Teyujagua, Trilophosauridae
Subtaxa: Cosesaurus Podopterygidae Rhombopholis
Distribution:
• Triassic of Austria (1 collection), Brazil (1), Kyrgyzstan (1), Morocco (1), Spain (1), the United Kingdom (3), United States (2: Texas)
Total: 10 collections each including a single occurrence