Name: Calothrix Agardh ex Bornet and Flahault 1886

Category: Genus

Proposed as: gen. nov.

Etymology: Gr. fem. n. thrix, hair; N.L. fem. n. Calothrix, a cyanobacterial genus

Gender: feminine (stem: Calotrich-)

Type species: Calothrix confervicola Agardh ex Bornet and Flahault 1886

Valid publication: Bornet É, Flahault C. Revision des Nostocacées hétérocystées contenues dans les principaux herbiers de France. Annales des Sciences Naturelles, Botanique, Septième série 1886; 3:323-381.

Nomenclatural status: validly published under the ICN (Botanical Code)

Taxonomic status: correct name

• Notes:
  • Nomenclatural type of the family Calotrichaceae Saraf et al. 2019. Publication: Saraf A, Suradkar A, Dawda HG, Gaysina LA, Gabidullin Y, Kumat A, Behere I, Kotulkar M, Batule P, Singh P. Phylogenetic complexities of the members of Rivulariaceae with the re-creation of the family Calotrichaceae and description of Dulcicalothrix necridiiformans gen nov., sp nov., and reclassification of Calothrix desertica. FEMS Microbiol Lett 2019; 366:0.
  • Nomenclatural type of the family Calotrichaceae Cooke 1890. Publication: Cooke MC. Introduction to fresh-water algae with an enumeration of all the British species. Unknown publisher, London, 1890.
  • Boone et al. (2001) assigned this genus to the class "Cyanobacteria". Publication: Garrity GM, Holt JG. The Road Map to the Manual. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 119-166.
  • Hoffmann et al. (2005) assigned this genus to the family Rivulariaceae Rabenhorst ex Bornet and Flahault 1886. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • Komarek et al. (2014) assigned this genus to the family Gloeotrichiaceae Komárek et al. 2014. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
  • This taxon name is occasionally misprinted in some sources as: "Caiothrix"; "Callothrix"; "Calolhrix"; "Calothria"; "Calothris"; "Calothriz"; "Calothrlx"; "Caolothrix"; "Catothrix"; "Cnlothrix"; "Colothrix"; "Culothrix"; "Galothrix"; "Ialothrix"; "Lalothrix"; "Oalothrix"; "Oulothrix"; "Qalothrix"; "Talothrix".
  • Pittman et al. (1991) suggested the abbreviation "CATX" 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: 12
Number of child taxa with a validly published name, including synonyms: 15
Total number of child taxa: 16

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Calothrix balearica Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	synonym
    Calothrix braunii Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Calothrix brevissima West 1907	validly published under the ICN (Botanical Code)	correct name
    Calothrix clausa Setchell and Gardner 1930	validly published under the ICN (Botanical Code)	correct name
    Calothrix confervicola Agardh ex Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Calothrix crustacea Thuret ex Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Calothrix desertica Schwabe 1960	validly published under the ICN (Botanical Code)	synonym
    Calothrix epiphytica West and West 1897	validly published under the ICN (Botanical Code)	correct name
    Calothrix geitonos Skuja 1949	validly published under the ICN (Botanical Code)	correct name
    Calothrix genuflexa Philson 1939	validly published under the ICN (Botanical Code)	correct name
    "Calothrix limbata" Harvey 1863	not validly published
    Calothrix marchica Lemmermann 1914	validly published under the ICN (Botanical Code)	correct name
    Calothrix membranacea Schmidle 1901	validly published under the ICN (Botanical Code)	correct name
    Calothrix parietina Thuret ex Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Calothrix pilosa Harvey ex Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	synonym
    Calothrix scytonemicola Tilden 1910	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Calotrichaceae Cooke 1890

Assigned by: Saraf A, Suradkar A, Dawda HG, Gaysina LA, Gabidullin Y, Kumat A, Behere I, Kotulkar M, Batule P, Singh P. Phylogenetic complexities of the members of Rivulariaceae with the re-creation of the family Calotrichaceae and description of Dulcicalothrix necridiiformans gen nov., sp nov., and reclassification of Calothrix desertica. FEMS Microbiol Lett 2019; 366:0.

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Record number: 6412