Phylogeny

Probably Paraphyletic/Ancestral (para)

Ref: T. Cavalier-Smith, 2002a: tbl. 1 (p. 14).

Original entries

Negibacteria (Subkingdom) Cavalier-Smith 2002 stat. inval.		Ref: T. Cavalier-Smith, 2002a: tbl. 1 (p. 10).
Unibacteria (Subkingdom) Cavalier-Smith 2002		Ref: T. Cavalier-Smith, 2002a: tbl. 1 (p. 12).

Current position

Prokaryota (Superkingdom) Margulis 1974 nom. nud.

Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 2).

Alternative positions

organisms ([unranked])	Ref: T. Cavalier-Smith, 2010a: 342.
Prokaryota (Empire) (Dougherty 1957) Allsopp 1969	Ref: T. Cavalier-Smith, 2004: 1252.

Historical positions

organisms ([unranked])	Ref: T. Rees et al., 2020: table 2 (p. 132).
Prokaryota (Superkingdom) Margulis 1974 nom. nud.	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 2).
organisms ([unranked])	Ref: T. Cavalier-Smith, 2010a: 342, fig. 1.
Prokaryota (Superkingdom) Margulis 1974 nom. nud.	Ref: J.M. Young et al., 2012: 46; 21.
Prokaryota (Empire) (Dougherty 1957) Allsopp 1969	Ref: T. Cavalier-Smith, 2004: 1252.

Number of Subtaxa

1989-present	Systema Naturae 2000	[2sk;8p]
2020	T. Rees et al.: table 2 (p. 132)	4,198*ng;3,318[-3,548]*g; †6.8%g
2015b	M.A. Ruggiero et al.: table 2 (p. 7)	[29p;54c;121o]
2004	T. Cavalier-Smith	[2sk;8p]
2002a	T. Cavalier-Smith: tbl. 1 (p. 14)	[8p;29c]