Name: Andreesenella Poehlein et al. 2026

Category: Genus

Proposed as: gen. nov.

Etymology: An.dree.se.nel’la. N.L. fem. dim. n. Andreesenella, named in honor of Jan R. Andreesen

Gender, pronunciation (Latin): feminine (stem: Andreesenell-), an-dree-se-NEL-la

Type species: Andreesenella formicacetica corrig. (Andreesen et al. 1970) Poehlein et al. 2026

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Poehlein A, Zeldes B, Flaiz M, Boer T, Luschen A, Hofele F, Baur KS, Molitor B, Kroly C, Wang M, et al. Corrigendum to "Advanced aspects of acetogens" [Bioresour. Technol. 427 (2025) 131913]. Bioresour Technol 2025; 435:132886. 🇩🇪

IJSEM list: Oren A, Göker M. Validation list no. 227. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2026; 76:6989.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Andreesenella" Poehlein et al. 2025	homotypic synonym, not validly published

• Notes:
  • 🚋 The type species of this genus has alternatively been placed in the genus Clostridium Prazmowski 1880 (Approved Lists 1980). Publication: Andreesen JR, Gottschalk G, Schlegel HG. Clostridium formicoaceticum nov. spec. isolation, description and distinction from C. aceticum and C. thermoaceticum. Arch Mikrobiol 1970; 72:154-174.
  • 🚋 The type species of this genus has alternatively been placed in the genus "Andreesenella" Poehlein et al. 2025. Publication: Poehlein A, Zeldes B, Flaiz M, Boer T, Luschen A, Hofele F, Baur KS, Molitor B, Kroly C, Wang M, et al. Advanced aspects of acetogens. Bioresour Technol 2025; 427:131913. 🇩🇪
  • 🎰 The BRCs most frequently used for deposits in this group are: ATCC: 3; DSM: 3.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Andreesenella acetica (Gottschalk and Braun 1981 ex Wieringa 1940) Poehlein et al. 2026	validly published under the ICNP	correct name
    Andreesenella formicacetica corrig. (Andreesen et al. 1970) Poehlein et al. 2026	validly published under the ICNP	correct name
    Andreesenella formicoacetica (Andreesen et al. 1970) Poehlein et al. 2026	inaccurate spelling	misspelling

Parent taxon: Natronincolaceae Chuvochina et al. 2024

Assigned by: Poehlein A, Zeldes B, Flaiz M, Boer T, Luschen A, Hofele F, Baur KS, Molitor B, Kroly C, Wang M, et al. Advanced aspects of acetogens. Bioresour Technol 2025; 427:131913. 🇩🇪

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Record number: 70237