Species ***Peptoniphilus* *coxii***

Name: Peptoniphilus coxii Citron et al. 2013

Category: Species

Proposed as: sp. nov.

Etymology: co’xi.i. N.L. gen. masc. n. coxii, of Cox, named after Mike Cox, a contemporary American microbiologist, to honor him for his contributions to anaerobic microbiology

Pronunciation (Latin), gender: pep-to-NI-p^hi-lus KO-xi-i, masculine

Type strain: ATCC BAA-2106; CCUG 59622; JCM 16892; RMA 16757

Conduct genome-based taxonomy at

16S rRNA gene: GU938836 Analyse FASTA

Effective publication: Citron DM, Tyrrell KL, Goldstein EJ. Peptoniphilus coxii sp. nov. and Peptoniphilus tyrrelliae sp. nov. isolated from human clinical infections. Anaerobe 2012; 18:244-248. 🇺🇸

IJSEM list: Euzeby JP. Validation list no. 149. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2013; 63:1-5.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

Synonyms:

Name	Kind
Aedoeadaptatus coxii (Citron et al. 2013) Malhotra et al. 2024	homotypic synonym, validly published under the ICNP

Notes:
- 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 2. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
- 🎓 Name mentioned 4 times in PubMed until 2026-06-11.
- 🙆 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 species itself.
- 🧍 According to Bartlett et al. (2022), this species is a putative human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Peptoniphilus Ezaki et al. 2001

Assigned by: Citron DM, Tyrrell KL, Goldstein EJ. Peptoniphilus coxii sp. nov. and Peptoniphilus tyrrelliae sp. nov. isolated from human clinical infections. Anaerobe 2012; 18:244-248. 🇺🇸

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Record number: 790367

This LPSN page was printed on 2026-08-19 20:20:35

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Species Peptoniphilus coxii

Species ***Peptoniphilus* *coxii***