Name: Methanocaldococcus bathoardescens Stewart et al. 2015

Category: Species

Proposed as: sp. nov.

Etymology: ba.tho.ar.des’cens. Gr. neut. n. bathos, depth; L. pres. part. ardescens, becoming hot, erupting (for a volcano); N.L. masc. part. adj. bathoardescens, erupting in the depth

Pronunciation (Latin), gender: … ba-t^ho-ar-DES-kens, masculine

Type strain: DSM 27223; JH146; KACC 18232

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KC261588 Analyse FASTA

Valid publication: Stewart LC, Jung JH, Kim YT, Kwon SW, Park CS, Holden JF. Methanocaldococcus bathoardescens sp. nov., a hyperthermophilic methanogen isolated from a volcanically active deep-sea hydrothermal vent. Int J Syst Evol Microbiol 2015; 65:1280-1283. 🇺🇸

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 65, part 4 of the IJSEM. Int J Syst Evol Microbiol 2015; 65:2026-2027.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — 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 2025-06-04.

Parent taxon: Methanocaldococcus Whitman 2002

Assigned by: Stewart LC, Jung JH, Kim YT, Kwon SW, Park CS, Holden JF. Methanocaldococcus bathoardescens sp. nov., a hyperthermophilic methanogen isolated from a volcanically active deep-sea hydrothermal vent. Int J Syst Evol Microbiol 2015; 65:1280-1283. 🇺🇸

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Record number: 792680