| SN2000 author citation | : |  | Bonaparte, 1837 [Rowe, 1988], nom. cl. praeinit. | 
	
		| Subsequent clade name (orig. spell.) | : |  | Rowe, T. 1988. J. Vertebr. Paleont. 8 (3): 247; 20 Jul 2022.
			 [assumed] | 
	
		| Original definition [PhyloCode] | : |  | op. cit.: 247 ("Ornithorhynchidae and Tachyglossidae"). |