Name: Methylophaga thalassica Janvier et al. 1985

Category: Species

Proposed as: sp. nov.

Etymology: tha.las’si.ca. Gr. fem. n. thalassa, the sea; L. fem. adj. suff. -ica, suffix used with the sense of pertaining to; L. fem. adj. thalassica, pertaining to the sea, of the sea

Pronunciation, gender: t^ha-LAS-si-ka, feminine

Type strain: ATCC 33146; CIP 104552; DSM 5690; JCM 6887; LMG 4055; NBRC 102424; NCIMB 2163; NCMB 2163; VKM B-2057

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X95460 Analyse FASTA

Valid publication: Janvier M, Frehel C, Grimont F, Gasser F. Methylophaga marina gen. nov., sp. nov. and Methylophaga thalassica sp. nov., marine methylotrophs. Int. J. Syst. Bacteriol. 1985; 35:131-139.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.34990 (N = 2).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 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 7 times in PubMed until 2025-06-04.

Parent taxon: Methylophaga Janvier et al. 1985

Assigned by: Janvier M, Frehel C, Grimont F, Gasser F. Methylophaga marina gen. nov., sp. nov. and Methylophaga thalassica sp. nov., marine methylotrophs. Int. J. Syst. Bacteriol. 1985; 35:131-139.

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Record number: 778001