| SN2000 author citation | : |  | M.J. Benton & J.M. Clark, 1988 [P.C. Sereno et al., 2001] | 
	
		| Original name, rank & spelling | : |  | Benton, M.J. & Clark, J.M. 1988. In M.J. Benton (ed.), Phyl. Class. Tetrapods 1: 319 ("new taxon"), App. 2 (p. 336). | 
	
		| Subsequent clade name (orig. spell.) | : |  | Sereno, P.C., Larsson, H.C.E., Sidor, C.A. & Gado, B. 2001. Science 294 (5546): 1519 (note 27). | 
	
		| Original definition [PhyloCode] | : |  | loc. cit. | 
	
		| Description/Diagnosis in English | : |  | Benton, M.J. & Clark, J.M. 1988. In M.J. Benton (ed.), Phyl. Class. Tetrapods 1: App. 2 (pp. 336-337). |