Name: Methanocaldococcus abyssi L'Haridon and Nesbø 2026

Category: Species

Proposed as: sp. nov.

Etymology: a.bys’si. L. gen. fem. n. abyssi, of an abyss, living at great depth within the oceans from which the type strain was isolated

Pronunciation (Latin), gender: … a-BYS-si, masculine

Type strain: 28A; DSM 120179; JCM 39640

Conduct genome-based taxonomy at

Valid publication: L'Haridon S, Nesbo CL. Methanocaldococcus abyssi sp. nov., a novel hyperthermophilic methanogen isolated from the recently discovered La Scala hydrothermal deep-sea vent field, Woodlark Ridge. Int J Syst Evol Microbiol 2026; 76:7088. 🇫🇷

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🎓 Name mentioned 0 times in PubMed until 2026-03-03.

Parent taxon: Methanocaldococcus Whitman 2002

Assigned by: L'Haridon S, Nesbo CL. Methanocaldococcus abyssi sp. nov., a novel hyperthermophilic methanogen isolated from the recently discovered La Scala hydrothermal deep-sea vent field, Woodlark Ridge. Int J Syst Evol Microbiol 2026; 76:7088. 🇫🇷

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.71106Copy to clipboardLink copied to clipboard

Record number: 71106