Name: Hyphomonas neptunium (Leifson 1964) Moore et al. 1984

Category: Species

Proposed as: comb. nov.

Basonym: Hyphomicrobium neptunium Leifson 1964 (Approved Lists 1980)

Etymology: nep.tu’ni.um. L. neut. adj. neptunium, of Neptunus, pertaining to Neptunus, god of the sea (sic); L. fem. adj. neptunia, probably the better choice

Gender: feminine

Type strain: 14-15; ATCC 15444; BCRC 10690; CCRC 10690; DSM 5154; IFAM LE-670; IFO 14232; LE 670; NBRC 14232; NCIMB 2023

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KF863147 Analyse FASTA

Valid publication: Moore RL, Weiner RM, Gebers R. Genus Hyphomonas Pongratz 1957 nom. rev. emend., Hyphomonas polymorpha Pongratz 1957 nom. rev. emend., and Hyphomonas neptunium (Leifson 1964) comb. nov. emend. (Hyphomicrobium neptunium). Int. J. Syst. Bacteriol. 1984; 34:71-73.

Nomenclatural status: inaccurate spelling

Taxonomic status: misspelling

Correct name: Hyphomonas neptunia corrig. (Leifson 1964) Moore et al. 1984

Risk group: 1

• Synonyms:

  • Name	Kind
    Hyphomonas neptunia corrig. (Leifson 1964) Moore et al. 1984	corrected spelling of name, validly published under the ICNP
    Hyphomicrobium neptunium Leifson 1964 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Emendations:
  • Li et al. 2014 Li C, Lai Q, Li G, Sun F, Shao Z. Hyphomonas atlanticus sp. nov., isolated from the Atlantic Ocean and emended description of the genus Hyphomonas. Syst Appl Microbiol 2014; 37:423-428. Oren A, Garrity GM. List of changes in taxonomic opinion no. 21. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2015; 65:7-10.

• 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 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 13 times in PubMed until 2024-03-27.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Hördt et al. (2020). Publication: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.

Parent taxon: Hyphomonas (ex Pongratz 1957) Moore et al. 1984

Assigned by: Moore RL, Weiner RM, Gebers R. Genus Hyphomonas Pongratz 1957 nom. rev. emend., Hyphomonas polymorpha Pongratz 1957 nom. rev. emend., and Hyphomonas neptunium (Leifson 1964) comb. nov. emend. (Hyphomicrobium neptunium). Int. J. Syst. Bacteriol. 1984; 34:71-73.

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Record number: 776986