Name: Magnetococcus Bazylinski et al. 2013

Category: Genus

Proposed as: gen. nov.

Etymology: Ma.gne.to.coc’cus. Gr. masc. n. Magnês (gen. Magnêtos), pertaining to a magnet; N.L. masc. n. coccus, a coccus; from Gr. masc. n. kokkos, a grain, seed; N.L. masc. n. Magnetococcus, the magnetic coccus, referring to its coccoid morphology and magnetotactic behaviour

Gender, pronunciation (Latin): masculine (stem: Magnetococc-), ma-n͡gne-to-KOK-kus

Type species: Magnetococcus marinus Bazylinski et al. 2013

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Bazylinski DA, Williams TJ, Lefevre CT, Berg RJ, Zhang CL, Bowser SS, Dean AJ, Beveridge TJ. Magnetococcus marinus gen. nov., sp. nov., a marine, magnetotactic bacterium that represents a novel lineage (Magnetococcaceae fam. nov., Magnetococcales ord. nov.) at the base of the Alphaproteobacteria. Int J Syst Evol Microbiol 2013; 63:801-808. 🇺🇸

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 63, part 3 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:1939-1941.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Candidatus Magnetococcus" Lefèvre et al. 2012	homotypic synonym, pro-validly published under the ICNP

• Emendations:
  • Koziaeva et al. 2026 Koziaeva V, Turrini ECA, Alonso B, Grouzdev D, Monteil CL, Lefevre CT. Terasakiella magnetica sp. nov., Magnetovibrio massiliensis sp. nov. and Magnetococcus organivorans sp. nov., three novel magnetotactic bacteria isolated from the Mediterranean Sea. Int J Syst Evol Microbiol 2026; 76:7129. 🇨🇦 Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 76, part 4 of the IJSEM. Int J Syst Evol Microbiol 2026; 76:7198.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • 🥇 Nomenclatural type of the class Magnetococcia Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0. 🇦🇺
  • 🥇 Nomenclatural type of the family Magnetococcaceae Bazylinski et al. 2013. Publication: Bazylinski DA, Williams TJ, Lefevre CT, Berg RJ, Zhang CL, Bowser SS, Dean AJ, Beveridge TJ. Magnetococcus marinus gen. nov., sp. nov., a marine, magnetotactic bacterium that represents a novel lineage (Magnetococcaceae fam. nov., Magnetococcales ord. nov.) at the base of the Alphaproteobacteria. Int J Syst Evol Microbiol 2013; 63:801-808. 🇺🇸
  • 🥇 Nomenclatural type of the order Magnetococcales Bazylinski et al. 2013. Publication: Bazylinski DA, Williams TJ, Lefevre CT, Berg RJ, Zhang CL, Bowser SS, Dean AJ, Beveridge TJ. Magnetococcus marinus gen. nov., sp. nov., a marine, magnetotactic bacterium that represents a novel lineage (Magnetococcaceae fam. nov., Magnetococcales ord. nov.) at the base of the Alphaproteobacteria. Int J Syst Evol Microbiol 2013; 63:801-808. 🇺🇸
  • 🧕 Bazylinski et al. (2013) assigned this genus to the order Magnetococcales Bazylinski et al. 2013. Publication: Bazylinski DA, Williams TJ, Lefevre CT, Berg RJ, Zhang CL, Bowser SS, Dean AJ, Beveridge TJ. Magnetococcus marinus gen. nov., sp. nov., a marine, magnetotactic bacterium that represents a novel lineage (Magnetococcaceae fam. nov., Magnetococcales ord. nov.) at the base of the Alphaproteobacteria. Int J Syst Evol Microbiol 2013; 63:801-808. 🇺🇸
  • 🧕 Chuvochina et al. (2023) assigned this genus to the class Magnetococcia Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0. 🇦🇺
  • 🚋 The type species of this genus has alternatively been placed in the genus "Candidatus Magnetococcus" Lefèvre et al. 2012. Publication: Lefevre CT, Viloria N, Schmidt ML, Posfai M, Frankel RB, Bazylinski DA. Novel magnetite-producing magnetotactic bacteria belonging to the Gammaproteobacteria. ISME J 2012; 6:440-450. 🇺🇸
  • 🤨 This taxon name is occasionally used in plural form as: "Magnetococci".
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 2; ATCC: 2.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Magnetococcus marinus Bazylinski et al. 2013	validly published under the ICNP	correct name
    Magnetococcus organivorans Koziaeva et al. 2026	validly published under the ICNP	correct name

Parent taxon: Magnetococcaceae Bazylinski et al. 2013

Assigned by: Bazylinski DA, Williams TJ, Lefevre CT, Berg RJ, Zhang CL, Bowser SS, Dean AJ, Beveridge TJ. Magnetococcus marinus gen. nov., sp. nov., a marine, magnetotactic bacterium that represents a novel lineage (Magnetococcaceae fam. nov., Magnetococcales ord. nov.) at the base of the Alphaproteobacteria. Int J Syst Evol Microbiol 2013; 63:801-808. 🇺🇸

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.518318Copy to clipboardLink copied to clipboard

Record number: 518318

• Previous versions:

  • Version	Date	JSON
    1	2026-03-31
    2	2026-05-02
    3	2026-07-02