Concise hierarchy

(Kingdom) Methanobacteriati - (Phylum) Methanobacteriota - (Class) Methanococci - (Order) Methanococcales - (Family) Methanococcaceae

Subsequent positions

Methaneocreatrices (Phylum) Margulis and Schwartz 1982 nom. ined.

Ref: L. Margulis & K.V. Schwartz, 1982: 38. [assumed]

Current position

Methanococcaceae (Family) Balch and Wolfe 1981

Ref: G.M. Garrity et al., 2007: 13; LPSN[20 Nov 2025].

Alternative positions

Methaneocreatrices (Phylum) Margulis and Schwartz 1982 nom. ined.	Ref: L. Margulis & K.V. Schwartz, 1982: 38. [rough position]
methanogens ([unranked])	Ref: L. Margulis & K.V. Schwartz, 1998: 58. [rough position]

Historical positions

Methanococcaceae (Family) Balch and Wolfe 1981	Ref: J.P. Euzéby, 2016: [6 Sep 2017]. [available name]
Methanococcaceae (Family) Balch and Wolfe 1981	Ref: G.M. Garrity et al., 2007: 13.
Methanococcaceae (Family) Balch and Wolfe 1981	Ref: G.M. Garrity et al., 2001b: 1.
Methanococcaceae (Family) Balch and Wolfe 1981	Ref: G.M. Garrity & J.G. Holt, 2001a: 155.
Methanococcaceae (Family) Balch and Wolfe 1981	Ref: D.R. Boone & R.W. Castenholz, 2001: 236; xiv.
methanogens ([unranked])	Ref: L. Margulis & K.V. Schwartz, 1998: 58. [rough position]
Halomebacteria (Infraphylum) Cavalier-Smith 1986	Ref: T. Cavalier-Smith, 1998: 220. [rough position] [assumed]
Methaneocreatrices (Phylum) Margulis and Schwartz 1982 nom. ined.	Ref: L. Margulis & K.V. Schwartz, 1982: 38. [rough position]

Number of Subtaxa

2026	Available in Systema Naturae 2000	4s
1989-present	Systema Naturae 2000	[4s]
2007	G.M. Garrity et al.	[4s]