Name: Clostridia Rainey 2010

Category: Class

Proposed as: class. nov.

Etymology: Clos.tri’di.um N.L. neut. dim. n. Clostridium, type genus of the type order of the class; Gr. fem. adj. suff. -ia, ending to denote a class; N.L. neut. pl. n. Clostridia, the Clostridium class

Gender: neuter

Type order: Clostridiales Prévot 1953 (Approved Lists 1980)

Effective publication: Rainey FA. Class II. Clostridia class nov. In: De Vos P, Garrity GM, Jones D, Krieg NR, Ludwig W, Rainey FA, K.-H. S, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 3 (The Firmicutes), Springer, New York, 2009, p. 736.

IJSEM list: Euzeby JP. Validation list no. 132. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2010; 60:469-472.

Nomenclatural status: validly published

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Clostridiia" Cavalier-Smith 2020	homotypic synonym, not validly published
    "Halanaerobiia" Cavalier-Smith 2020	heterotypic synonym, not validly published

• Notes:
  • De Vos et al. (2009) assigned the order Clostridiales Prévot 1953 (Approved Lists 1980) to this class. Publication: Rainey FA. Class II. Clostridia class nov. In: De Vos P, Garrity GM, Jones D, Krieg NR, Ludwig W, Rainey FA, K.-H. S, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 3 (The Firmicutes), Springer, New York, 2009, p. 736.
  • Petzoldt et al. (2016) assigned the genus Harryflintia Petzoldt et al. 2016 to this class. Publication: Petzoldt D, Breves G, Rautenschlein S, Taras D. Harryflintia acetispora gen. nov., sp. nov., isolated from chicken caecum. Int J Syst Evol Microbiol 2016; 66:4099-4104.
  • Recommended reviewers for taxonomic proposals in this group are the corresponding authors of Lv et al. (2020).

Subdivision:

Number of child taxa with a validly published and correct name: 5
Number of child taxa with a validly published name, including synonyms: 5
Total number of child taxa: 7

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    [Clostridia, not assigned to order]	artificial parent node of taxa incertae sedis
    "Comantemales" Hildebrand et al. 2019	not validly published
    Eubacteriales Buchanan 1917 (Approved Lists 1980)	validly published	correct name
    Halanaerobiales corrig. Rainey and Zhilina 1995	validly published	correct name
    Natranaerobiales Mesbah et al. 2007	validly published	correct name
    Thermoanaerobacterales Wiegel 2010	validly published	correct name
    Thermosediminibacterales Zhang et al. 2019	validly published	correct name

Parent taxon: "Firmicutes" corrig. Gibbons and Murray 1978 (Approved Lists 1980)

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