Aetosaurinae

Aetosaurinae Fossil range: Late Triassic
Desmatosuchus, one of the largest aetosaurs at 16 feet long.
Scientific classification
Class	Sauropsida
Subclass	Diapsida
Infraclass	Archosauromorpha
Order (Unranked)	Crurotarsi
Order	Aetosauria
Suborder	Aetosaurinae Marsh, 1884

Aetosaurinae is an extinct suborder of aetosaurs named by American paleontologist Othniel Charles Marsh in 1884.

Cladogram

`--o †Aetosaurinae Marsh, 1884 sensu Heckert & Lucas, 2000

        |--+-- †Coahomasuchus kahleorum Heckert & Lucas, 1999
        |  |-- †Neoaetosauroides engaeus Bonaparte, 1969
        |  `--+--o †Aetosaurus O. Fraas, 1887
        |     |  |-- †A. ferratus O. Fraas, 1887
        |     |  `?- †A. crassicauda E. Fraas, 1907 [conspecific with A. ferratus sensu Parrish, 1994]
        |     |-- †Aetosauroides scagliai
        |     `--o †Stagonolepis Agassiz, 1844 [taxonomic history]
        |        |-- †S. robertsoni Agassiz, 1844 [taxonomic history]
        |        `-- †S. wellesi (Long & Bellew, 1985) Murray & Long, 1989

References

• http://www.helsinki.fi/~mhaaramo/metazoa/deuterostoma/chordata/archosauria/pseudosuchia/aetosauria.html