Name: Leucothrix Örsted 1844 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Leu.co’thrix. N.L. fem. n. Leucothrix, type genus

Gender, pronunciation: feminine (stem: Leucotrich-), le͡u-KO-t^hrix

Type species: Leucothrix mucor Örsted 1844 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Örsted AS. De Regionibus marinis. Elementa Topographiae Historiconaturalis Freti Oeresund. Inaugural Dissertation. J.C. Scharling, Copenhagen, 1844.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Zhang et al. 2015 Zhang Z, Gao X, Wang L, Zhang XH. Leucothrix pacifica sp. nov., isolated from seawater, and emended description of the genus Leucothrix. Int J Syst Evol Microbiol 2015; 65:2397-2402. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 65, part 8 of the IJSEM. Int J Syst Evol Microbiol 2015; 65:3768-3770.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • 🥇 Nomenclatural type of the family Leucotrichaceae Boden and Scott 2018. Publication: Boden R, Scott KM. Evaluation of the genus Thiothrix Winogradsky 1888 (Approved Lists 1980) emend. Aruga et al. 2002: reclassification of Thiothrix disciformis to Thiolinea disciformis gen. nov., comb. nov., and of Thiothrix flexilis to Thiofilum flexile gen. nov., comb nov., with emended description of Thiothrix. Int J Syst Evol Microbiol 2018; 68:2226-2239.
  • 🥇 Nomenclatural type of the family Leucotrichaceae Buchanan 1957 (Approved Lists 1980). Publication: Buchanan RE. Family III. Leucotrichaceae Buchanan, Fam. Nov. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th ed., The Williams and Wilkins Co., Baltimore, 1957, p. 850-851.
  • 🧕 Brenner et al. (2005) assigned this genus to the family Thiotrichaceae Garrity et al. 2005. Publication: Garrity GM, Bell JA, Lilburn T. Family I. Thiotrichaceae 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 B (The Gammaproteobacteria), Springer, New York, 2005, p. 131.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Lencothrix"; "Leucolhrix".
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 2; ATCC: 1; KCTC: 1; JCM: 1; KACC: 1; MCCC: 1; NBRC: 1.
  • 🧍 According to Komarek and Golubic (1990) originally assigned to Cyanobacteria but probably belonging to Bacteria. — 🧍 Originally assigned to Cyanobacteria but actually affiliated with other bacteria. Publication: Komarek J, Golubic S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Unknown Publisher, Unknown City, 1990.
  • 🧍 According to Shipunov (2011), this name is a hemihomonym. Publication: Shipunov A. The problem of hemihomonyms and the on-line hemihomonyms database (HHDB). Bionomina 2011; 4:65-72.
  • 🧍 Leucothrix Oersted 1844 (Approved Lists 1980) is an earlier homonym of a genus name with standing in the zoological (animal) nomenclature: Leucothrix Munro, 1929. — Crook M. Personal communication, 2021-08-19.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "LETX" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 4
Number of child taxa with a validly published name, including synonyms: 4
Total number of child taxa: 7

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Leucothrix arctica Baek et al. 2018	validly published under the ICNP	correct name
    "Leucothrix clandestina" (Crouan and Crouan 1954) Kuckuck 1954	not validly published	preferred name
    "Leucothrix cohaerens" Pringsheim 1957	not validly published	preferred name
    Leucothrix mucor Örsted 1844 (Approved Lists 1980)	validly published under the ICNP	correct name
    Leucothrix pacifica Zhang et al. 2015	validly published under the ICNP	correct name
    Leucothrix sargassi Liu et al. 2019	validly published under the ICNP	correct name
    "Leucothrix thiophila" Dul'tseva et al. 1996	not validly published	preferred name

Parent taxon: Leucotrichaceae Buchanan 1957 (Approved Lists 1980)

Assigned by: Buchanan RE. Family II. Leucotrichaceae Buchanan, Fam. Nov. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, seventh edition, The Williams & Wilkins Co, Baltimore, 1957, p. 850-851.

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Record number: 18131