Concise hierarchy

(Kingdom) Bacillati - (Phylum) Bacillota - (Class) Clostridia - (Order) Eubacteriales - (Family) Peptococcaceae

Subsequent positions

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

Ref: L. Margulis & K.V. Schwartz, 1982: 36. [assumed]

Current position

Peptococcaceae (Family) Rogosa 1971 (Approved Lists 1980)

Ref: G.M. Garrity et al., 2007: 298; LPSN[1 Jan 2026].

Alternative positions

Endospore-forming rods and cocci ([unranked])	Ref: J.O. Corliss, 1982: 36.
Thiopneutes (Phylum) Margulis and Schwartz 1982 nom. ined.	Ref: L. Margulis & K.V. Schwartz, 1982: 36. [rough position]

Historical positions

Peptococcaceae (Family) Rogosa 1971 (Approved Lists 1980)	Ref: J.P. Euzéby, 2016: [9 Sep 2017]. [available name]
Peptococcaceae (Family) Rogosa 1971 (Approved Lists 1980)	Ref: G.M. Garrity et al., 2007: 298.
Peptococcaceae (Family) Rogosa 1971 (Approved Lists 1980)	Ref: G.M. Garrity et al., 2001b: 17.
Peptococcaceae (Family) Rogosa 1971 (Approved Lists 1980)	Ref: G.M. Garrity & J.G. Holt, 2001a: 162.
Proteobacteria (Phylum) Garrity and Holt 2001 nom. nud.	Ref: L. Margulis & K.V. Schwartz, 1998: 68, 71. [rough position]
Thiopneutes (Phylum) Margulis and Schwartz 1982 nom. ined.	Ref: L. Margulis & K.V. Schwartz, 1982: 36. [rough position]
Endospore-forming rods and cocci ([unranked])	Ref: J.O. Corliss, 1982: 36.

Number of Subtaxa

2026	Available in Systema Naturae 2000	29s;2ss
1989-present	Systema Naturae 2000: 19 Nov 2014	[29s;2ss]
2007	G.M. Garrity et al.	[23s;2ss]
1982	L. Margulis & K.V. Schwartz	3s