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Taxon: Genus Thermoplasma Darland et al. 1970 (Approved Lists 1980) (prokaryote)
 Entity: 

Concise hierarchy

(Kingdom) Methanobacteriati - (Phylum) Methanobacteriota - (Class) Thermoplasmata - (Order) Thermoplasmatales - (Family) Thermoplasmataceae

Subsequent positions

Aphragmabacteria (Phylum) Margulis and Schwartz 1982 nom. ined. Ref: L. Margulis & K.V. Schwartz, 1982: 30. [assumed]
Thermoplasmataceae (Family) Reysenbach 2001 nom. inval. Ref: A.-L. Reysenbach, 2001: 335. [assumed]

Current position

Thermoplasmataceae (Family) Reysenbach 2002 Ref: G.M. Garrity et al., 2007: 28; LPSN[21 Nov 2025].

Alternative positions

Aphragmabacteria (Phylum) Margulis and Schwartz 1982 nom. ined. Ref: L. Margulis & K.V. Schwartz, 1982: 30. [rough position]
Eurytherma (Infraphylum) Cavalier-Smith 1998 Ref: T. Cavalier-Smith, 1998: 219. [rough position]
Mollicutes (Class) Edward and Freundt 1967 (Approved Lists 1980) Ref: S. Razin, 1982: 42.
Thermoplasmaceae (Family)
Thermoplasmataceae (Family) Reysenbach 2001 nom. inval. Ref: A.-L. Reysenbach, 2001: 335. [new position]

Historical positions

Thermoplasmataceae (Family) Reysenbach 2002 Ref: J.P. Euzéby, 2016: [6 Sep 2017]. [available name]
Thermoplasmataceae (Family) Reysenbach 2002 Ref: G.M. Garrity et al., 2007: 28.
Thermoplasmataceae (Family) Reysenbach 2001 nom. inval. Ref: G.M. Garrity et al., 2001b: 2. [new position]
Thermoplasmataceae (Family) Reysenbach 2001 nom. inval. Ref: G.M. Garrity & J.G. Holt, 2001a: [156]. [new position]
Thermoplasmataceae (Family) Reysenbach 2001 nom. inval. Ref: A.-L. Reysenbach, 2001: 335; xv. [new position]
Crenarchaeota (Phylum) Garrity and Holt 2002 stat. inval. Ref: L. Margulis & K.V. Schwartz, 1998: 60, 61. [rough position]
Eurytherma (Infraphylum) Cavalier-Smith 1998 Ref: T. Cavalier-Smith, 1998: table 2 (p. 219). [rough position]
Aphragmabacteria (Phylum) Margulis and Schwartz 1982 nom. ined. Ref: L. Margulis & K.V. Schwartz, 1982: 30. [rough position]
Mollicutes (Class) Edward and Freundt 1967 (Approved Lists 1980) Ref: S. Razin, 1982: 42.

Number of Subtaxa

2026 Available in Systema Naturae 2000 2s
1989-present Systema Naturae 2000 [2s]
2007 G.M. Garrity et al. [2s]
1982 L. Margulis & K.V. Schwartz 1s
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Last updated: 28 Aug 2026