Name: Bacteroides vicugnae Miller et al. 2025
Etymology: vi.cu’gnae. N.L. gen. fem. n. vicugnae, pertaining to alpaca (Vicugna pacos) where the organism was first isolated
Pronunciation (Latin), gender: bak-ter-o-I-des wi-KU-n͡gna͡e, masculine
Type strain: A2-P53; CCM 9377; CCUG 77273; NRRL B-65693
Conduct genome-based taxonomy at
Effective publication:
Miller S, Hendry M, King J, Sankaranarayanan K, Lawson PA. Bacteroides vicugnae sp. nov. isolated from the fecal material of an alpaca. Anaerobe 2024; 0:102862. 
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IJSEM list:
Oren A, Göker M. Validation list no. 221. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2025; 75:6562.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name (and explicitly recommended for medical use)
Parent taxon: Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980)
Assigned by:
Miller S, Hendry M, King J, Sankaranarayanan K, Lawson PA. Bacteroides vicugnae sp. nov. isolated from the fecal material of an alpaca. Anaerobe 2024; 0:102862. 🇺🇸
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