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Genus Octadecabacter
Name: Octadecabacter Gosink et al. 1998
Etymology: Oc.ta.de.ca.bac’ter. Gr. num. oktô, the number eight; Gr. fem. n. dekas, the number ten; N.L. masc. n. bacter, rod; N.L. masc. n. Octadecabacter, an 18-carbon fatty acid-containing rod
Gender, pronunciation (Latin): masculine (stem: Octadecabacter-), ok-ta-de-ka-BAK-ter
Type species: Octadecabacter arcticus Gosink et al. 1998
Conduct genome-based taxonomy of genus at TYGS
Effective publication:
Gosink J, Hewig RP, Staley JT. Octadecabacter arcticus gen. nov., sp. nov., nonpigmented, psychrophilic gas vacuolate bacteria from polar sea ice and water. Syst Appl Microbiol 1997; 20:356-365. 
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IJSEM list:
Anonymous. Validation list no. 64. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1998; 48:327-328.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name
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Emendations:
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Park and Yoon 2014
Park S, Yoon JH. Octadecabacter jejudonensis sp. nov., isolated from the junction between the ocean and a freshwater spring and emended description of the genus Octadecabacter. Int J Syst Evol Microbiol 2014; 64:719-724.
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Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 3 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:1827-1829.
Notes:- ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
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Billerbeck et al. 2015
Billerbeck S, Orchard J, Tindall BJ, Giebel HA, Brinkhoff T, Simon M. Description of Octadecabacter temperatus sp. nov., isolated from the southern North Sea, emended descriptions of the genus Octadecabacter and its species and reclassification of Octadecabacter jejudonensisPark and Yoon 2014 as Pseudooctadecabacter jejudonensis gen. nov., comb. nov. Int J Syst Evol Microbiol 2015; 65:1967-1974. 🇩🇪
Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 65, part 6 of the IJSEM. Int J Syst Evol Microbiol 2015; 65:2784-2785.
Notes:- ⊖ Emendation accompanied by the removal of 1 species from the genus.
- ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
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Jin et al. 2023
Jin MS, Kim KH, Baek JH, Kim JM, Jeon CO. Octadecabacter algicola sp. nov. and Octadecabacter dasysiphoniae sp. nov., isolated from a marine red alga and emended description of the genus Octadecabacter. Int J Syst Evol Microbiol 2023; 73:5664. 🇰🇷
Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 73, part 1 of the IJSEM. Int J Syst Evol Microbiol 2023; 73:5835.
Notes:- ⊕ Emendation accompanied by the proposal of 2 new species in the genus.
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Park and Yoon 2014
Park S, Yoon JH. Octadecabacter jejudonensis sp. nov., isolated from the junction between the ocean and a freshwater spring and emended description of the genus Octadecabacter. Int J Syst Evol Microbiol 2014; 64:719-724.
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Notes:
- 🧕 Brenner et al. (2005) assigned this genus to the family Rhodobacteraceae Garrity et al. 2006. Publication: Garrity GM, Bell JA, Lilburn T. Family I. Rhodobacteraceae fam. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 161. 🇺🇸
- 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Octabadecabacter"; "Octadecabactor".
- 💁 Taxonomists who have recently focused on this group are the corresponding authors of Park et al. (2016). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
- 🎰 The BRCs most frequently used for deposits in this group are: KCTC: 3; DSM: 3; KACC: 2; CECT: 2; JCM: 2; CIP: 1; NBRC: 1; LMG: 1.
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🧍 In Validation List no. 64, the title of the paper by Gosink et al. 1997 is erroneously cited as follows: Octadecabacter arcticus gen. nov., sp. nov., nonpigmented, psychrophilic gas vacuolate bacteria from polar sea ice and water.
Publication:
Anonymous. Validation list no. 64. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1998; 48:327-328.
Number of child taxa with a validly published and correct name: 7
Number of child taxa with a validly published name, including synonyms: 8
Total number of child taxa: 8
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Child taxa:
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Name Nomenclatural status Taxonomic status Octadecabacter algicola Jin et al. 2023 validly published under the ICNP correct name Octadecabacter antarcticus Gosink et al. 1998 validly published under the ICNP correct name Octadecabacter arcticus Gosink et al. 1998 validly published under the ICNP correct name Octadecabacter ascidiaceicola Kim et al. 2016 validly published under the ICNP correct name Octadecabacter dasysiphoniae Jin et al. 2023 validly published under the ICNP correct name Octadecabacter jejudonensis Park and Yoon 2014 validly published under the ICNP synonym Octadecabacter ponticola Park et al. 2016 validly published under the ICNP correct name Octadecabacter temperatus Billerbeck et al. 2015 validly published under the ICNP correct name
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Parent taxon: Roseobacteraceae Liang et al. 2021
Assigned by:
Liang KYH, Orata FD, Boucher YF, Case RJ. Roseobacters in a Sea of Poly- and Paraphyly: Whole Genome-Based Taxonomy of the Family Rhodobacteraceae and the Proposal for the Split of the "Roseobacter Clade" Into a Novel Family, Roseobacteraceae fam. nov. Front Microbiol 2021; 12:683109. 🇨🇦
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Record number: 516201
This LPSN page was printed on 2026-03-12 05:19:16