| SN2000 author citation | : |  | M.J. Benton, 1985, nom. cl. nov. | 
	
		| Original clade name & spelling | : |  | Benton, M.J. 1985. Zool. J. Linn. Soc. 84 (2): 112 ("nov."); 109, 153 ("Superdivision ... nov."). | 
	
		| Original definition [PhyloCode] | : |  | op. cit.: 112; 109. | 
	
		| Emended definition [PhyloCode] | : |  | Laurin, M. 1991. Zool. J. Linn. Soc. 101 (1): 85 ("Benton, 1985", "Definition"). | 
	
		| Emended definition [PhyloCode] | : |  | Reisz, R.R., Modesto, S.P. & Scott, D.M. 2011. Proc. R. Soc. B 278: 3733 ("Benton 1985 (sensu this study)"). | 
	
		| Emended diagnosis (emend.) | : |  | Laurin, M. 1991. Zool. J. Linn. Soc. 101 (1): 85-86 ("Revised diagnosis"). |