| SN2000 author citation | : |  | H.G. Seeley, 1887 [Gauthier, 1986], nom. cl. praeinit. | 
	
		| Original name & spelling | : |  | Seeley, H.G. 1887. Proc. R. Soc. Lond. 43 (260): 171. | 
	
		| Subsequent clade name (orig. spell.) | : |  | Gauthier, J. 1986. In K. Padian (ed.), The Origin of Birds and the Evolution of Flight. Mem. Calif. Acad. Sci. (No. 8): 15 ("n. comb.", "Seeley, 1887"). | 
	
		| Original definition [PhyloCode] | : |  | op. cit.: 15 ("here defined"). | 
	
		| Emended definition [PhyloCode] | : |  | Nesbitt, S.J. 2011. Bull. Amer. Mus. Nat. Hist. (no. 352): 211 ("Seeley, 1887", "Revised definition: ... (sensu Sereno, 2005)"). | 
	
		| Description/Diagnosis in English | : |  | Gauthier, J. 1986. In K. Padian (ed.), The Origin of Birds and the Evolution of Flight. Mem. Calif. Acad. Sci. (No. 8): 15-18 ("Diagnosis"). |