†unranked clade Aetosauria Lydekker 1889 (aetosaur)
Alternative spelling: Aetosauri
Parent taxon: Suchia according to S. J. Nesbitt 2011
See also Carroll 1988, Charig 1967, Gauthier and Padian 1985, Hay 1902, Heckert and Lucas 1998, Heckert and Lucas 2000, Jaekel 1910, Jaekel 1911, Long and Murry 1995, Lucas et al. 1998, Lull 1915, Lull 1917, Osborn 1904, Parker 2007, Parrish 1993, Schoch 2007, Sereno 1991, Sereno and Arcucci 1990 and Weinbaum and Hungerbühler 2007
Sister taxa: Crocodiliformes, Gracilisuchidae, Paracrocodylomorpha, Prestosuchidae, Rauisuchia, Rauisuchiformes, Shuvosauridae, Teratosauridae, Ticinosuchus
Subtaxa: Aetosauripus Aetosauroides Batrachopodidae Chilenosuchus Episcoposaurus Episcoposaurus haplocerus Hoplitosuchus Revueltosaurus Stagonolepididae