| SN2000 author citation | :  |  | 
			(Gray, 1821) Simpson, 1931 [I.M. Sánchez et al., 2010], nom. cl. praeinit. | 
	
	
		| Subsequent clade name (orig. spell.) | :  |  | 
			
				Sánchez, I.M., Domingo, M.S. & Morales, J. 2010. Palaeontology 53 (5): 1025 ("Gray, 1821").
		 | 
	
	
		| Original definition [PhyloCode] | :  |  | 
			
				op. cit.: 1040 ("We define").
		 | 
	
	
		| Emended diagnosis (emend.) | :  |  | 
			
				op. cit.: 1025 ("Emended diagnosis").
		 |