Name: Lacrimispora xylanolytica (Rogers and Baecker 1991) Haas and Blanchard 2020

Category: Species

Proposed as: comb. nov.

Basonym: Clostridium xylanolyticum Rogers and Baecker 1991

Etymology: xy.la.no.ly’ti.ca. Chem. neut. n. xylan, xylan; N.L. fem. adj. lytica, dissolving; from Gr. fem. adj. lytikê, able to loose, dissolving; N.L. fem. adj. xylanolytica, xylan dissolving

Pronunciation, gender: … ksy-la-no-LY-ti-ka, feminine

Type strain: ATCC 49623; DSM 6555

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X76739 Analyse FASTA

Valid publication: Haas KN, Blanchard JL. Reclassification of the Clostridium clostridioforme and Clostridium sphenoides clades as Enterocloster gen. nov. and Lacrimispora gen. nov., including reclassification of 15 taxa. Int J Syst Evol Microbiol 2020; 70:23-34. 🇺🇸

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 1 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:2167-2173.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

• Synonyms:

  • Name	Kind
    Clostridium xylanolyticum Rogers and Baecker 1991	homotypic synonym, validly published under the ICNP

• Notes:
  • 😡 This taxon name is a homonym of "Lacrimispora xylanolytica" (Scholten-Koerselman et al. 1988) Urvashi et al. 2022.
  • 🎓 Name mentioned 4 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Lacrimispora Haas and Blanchard 2020

Assigned by: Haas KN, Blanchard JL. Reclassification of the Clostridium clostridioforme and Clostridium sphenoides clades as Enterocloster gen. nov. and Lacrimispora gen. nov., including reclassification of 15 taxa. Int J Syst Evol Microbiol 2020; 70:23-34. 🇺🇸

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Record number: 5957