| SN2000 author citation | : |  | (Grassé, 1952) T. Cavalier-Smith, 1981, nom. emend. | 
	
		| Original name | : |  | Grassé, 1952. [superorder Metamonadina]. | 
	
		| Subsequent rank | : |  | Cavalier-Smith, T. 1981. BioSystems 14 (3-4): table 10 (p. 520: "Phylum", "Metamonadina"). | 
	
		| Emended diagnosis (emend.) | : |  | Cavalier-Smith, T. 2003. Int. J. Syst. Evol. Microbiol. 53: table 1 (p. 1746: "Phylum ... Grassé 1952 stat. nov. emend."). | 
	
		| Subsequent publication | : |  | Cavalier-Smith, T. 1993b. Microbiological Reviews 57 (4): table 3 (p. 963: "Phylum ... Grassé, 1952 stat. nov. et emend. Cavalier-Smith, 1981"). | 
	
		| Subsequent publication | : |  | Cavalier-Smith, T. 2022(2021). Protoplasma 259: table 1 (p. 520: "Phylum ... Grassé, 1952 em. stat. n. Cavalier-Smith 2003"). |