Name: Methanoculleus marisnigri (Romesser et al. 1981) Maestrojuán et al. 1990

Category: Species

Proposed as: comb. nov.

Basonym: Methanogenium marisnigri Romesser et al. 1981

Etymology: ma.ris.ni’gri. L. neut. n. mare (gen. maris), the sea; L. adj. niger -gra -grum, black; N.L. gen. neut. n. marisnigri, of the Black Sea

Pronunciation (Latin), gender: me-t^ha-no-KUL-le-us ma-ris-NI-gri, masculine

Type strain: ATCC 35101; DSM 1498; JR1; OCM 56

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M59134 Analyse FASTA

Valid publication: Maestrojuán GM, Boone DR, Xun L, Mah RA, Zhang L. Transfer of Methanogenium bourgense, Methanogenium marisnigri, Methanogenium olentangyi, and Methanogenium thermophilicum to the genus Methanoculleus gen. nov., emendation of Methanoculleus marisnigri and Methanogenium and description of new strains of Methanoculleus bourgense and Methanoculleus marisnigri. Int. J. Syst. Bacteriol. 1990; 40:117-122. 🇺🇸

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Methanogenium marisnigri Romesser et al. 1981	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2026-08-13. 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 24 times in PubMed until 2026-06-11.

Parent taxon: Methanoculleus Maestrojuán et al. 1990

Assigned by: Maestrojuán GM, Boone DR, Xun L, Mah RA, Zhang L. Transfer of Methanogenium bourgense, Methanogenium marisnigri, Methanogenium olentangyi, and Methanogenium thermophilicum to the genus Methanoculleus gen. nov., emendation of Methanoculleus marisnigri and Methanogenium and description of new strains of Methanoculleus bourgense and Methanoculleus marisnigri. Int. J. Syst. Bacteriol. 1990; 40:117-122. 🇺🇸

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Record number: 777869