| SN2000 author citation | : |  | H.F. Osborn, 1903 [M. Laurin, 1991] | 
	
		| Subsequent clade name (orig. spell.) | : |  | Laurin, M. 1991. Zool. J. Linn. Soc. 101 (1): 83 ("Osborn, 1903"). | 
	
		| Original definition [PhyloCode] | : |  | op. cit.: 83 ("Definition"). | 
	
		| Emended diagnosis (emend.) | : |  | op. cit.: 83 ("Revised diagnosis"). |