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

• Synonyms:

  • Name	Kind
    Rivulariopsis (Kirchner 1898) Woronichin 1923	heterotypic synonym, validly published under the ICN (Botanical Code)

• 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; 366:1-10.
  • 🥇 Nomenclatural type of the family Calotrichaceae corrig. Cooke 1890. Publication: Cooke MC. Introduction to fresh-water algae with an enumeration of all the British species. Unknown publisher, London, 1890.
  • 🥇 Nomenclatural type of the family Calotricheae 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.
  • 🧕 Elenkin (1949) assigned this genus to the family Rivulariaceae Rabenhorst ex Bornet and Flahault 1886. Publication: Elenkin AA. Sinezeleniye vodorosli SSSR. Monografiya presnovodnykh i nazemnykh S'yanofiseaye, obnaruzhennykh v predelakh SSSR. Spetsial'naya (sistematicheskaya) chast', vyp. II. III. Hormogoneae (Geitl.) Elenk. (okonchaniye). Izdate'stvo Akademii Nauk SSSR, Moscow, 1949.
  • 🧕 Geitler (1925) assigned this genus to the family Rivulariaceae Rabenhorst ex Bornet and Flahault 1886. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧕 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 Rivulariaceae Rabenhorst ex Bornet and Flahault 1886. 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.
  • 🧕 Strunecky et al. (2023) assigned this genus to the family Rivulariaceae Rabenhorst ex Bornet and Flahault 1886. Publication: Strunecky O, Ivanova AP, Mares J. An updated classification of cyanobacterial orders and families based on phylogenomic and polyphasic analysis. J Phycol 2023; 59:12-51.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Alothrix"; "Caiothrix"; "Calcothrix"; "Callothrix"; "Calolhrix"; "Calothria"; "Calothricis"; "Calothris"; "Calothriz"; "Calothrlx"; "Caolothrix"; "Catothrix"; "Cfdothrix"; "Cnlothrix"; "Colothrix"; "Culothrix"; "Galothrix"; "Ialothrix"; "Jalothrix"; "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: 73
Number of child taxa with a validly published name, including synonyms: 79
Total number of child taxa: 82

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Calothrix adscendens Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Calothrix aequalis Skuja 1937	validly published under the ICN (Botanical Code)	correct name
    Calothrix aeruginosa Woronichin 1926	validly published under the ICN (Botanical Code)	correct name
    Calothrix aestuarii Gayral and Mazancourt 1959	validly published under the ICN (Botanical Code)	correct name
    Calothrix allorgei Frémy 1945	validly published under the ICN (Botanical Code)	correct name
    Calothrix antarctica Fritsch 1912	validly published under the ICN (Botanical Code)	correct name
    Calothrix atricha Frémy 1930	validly published under the ICN (Botanical Code)	correct name
    Calothrix baileyi Copeland 1936	validly published under the ICN (Botanical Code)	correct name
    Calothrix balearica Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	synonym
    Calothrix bossei Frémy 1930	validly published under the ICN (Botanical Code)	correct name
    Calothrix braunii Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Calothrix breviarticulata West and West 1897	validly published under the ICN (Botanical Code)	correct name
    Calothrix brevissima West 1907	validly published under the ICN (Botanical Code)	correct name
    Calothrix capitata corrig. Uher 2007	validly published under the ICN (Botanical Code)	correct name
    Calothrix capitularis Uher 2007	inaccurate spelling (ICN [Botanical Code])	misspelling
    Calothrix castellii Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Calothrix cavernarum Copeland 1936	validly published under the ICN (Botanical Code)	correct name
    Calothrix charicola Copeland 1936	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 codicola 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 conica Gardner 1927	validly published under the ICN (Botanical Code)	correct name
    Calothrix consociata Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Calothrix contarenii (Zanardini 1840) Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Calothrix coriacea Copeland 1936	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 cylindrica Frémy 1924	validly published under the ICN (Botanical Code)	correct name
    Calothrix debii Bharadwaja 1963	validly published under the ICN (Botanical Code)	correct name
    Calothrix desertica Schwabe 1960	validly published under the ICN (Botanical Code)	synonym
    Calothrix desikacharyensis Vasishta 1964	validly published under the ICN (Botanical Code)	correct name
    Calothrix divergens Sant'Anna et al. 1992	validly published under the ICN (Botanical Code)	correct name
    Calothrix dolichomeres Skuja 1949	validly published under the ICN (Botanical Code)	correct name
    Calothrix dumus Villanueva and Casamatta 2019	validly published under the ICN (Botanical Code)	correct name
    Calothrix epiphytica West and West 1897	validly published under the ICN (Botanical Code)	correct name
    Calothrix evanescens Gardner 1927	validly published under the ICN (Botanical Code)	correct name
    Calothrix flamulorum Sant'Anna et al. 1992	validly published under the ICN (Botanical Code)	correct name
    Calothrix floccosa (Woronichin 1923) Geitler 1925	validly published under the ICN (Botanical Code)	correct name
    Calothrix foveolarum Ercegović 1932	validly published under the ICN (Botanical Code)	correct name
    Calothrix fritschii Bharadwaja 1935	validly published under the ICN (Botanical Code)	correct name
    Calothrix fusca Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Calothrix galpinii Cholnoky-Pfannkuche 1968	validly published under the ICN (Botanical Code)	correct name
    Calothrix geitleri Copeland 1936	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 ghosei Bharadwaja 1935	validly published under the ICN (Botanical Code)	correct name
    Calothrix gigas Copeland 1936	validly published under the ICN (Botanical Code)	correct name
    Calothrix gloeocola Skuja 1949	validly published under the ICN (Botanical Code)	correct name
    Calothrix gracilis Fritsch 1912	validly published under the ICN (Botanical Code)	correct name
    Calothrix inaequabilis Cado 1958	validly published under the ICN (Botanical Code)	correct name
    Calothrix intracellularis Vasishta 1963	validly published under the ICN (Botanical Code)	correct name
    Calothrix intricata Fritsch 1912	validly published under the ICN (Botanical Code)	correct name
    Calothrix juliana (Meneghini 1841) Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    "Calothrix lamellosa" Chu and Wu 1984	not validly published	preferred name (not correct name)
    "Calothrix limbata" Harvey 1863	not validly published	preferred name (not correct name)
    Calothrix linearis Gardner 1926	validly published under the ICN (Botanical Code)	correct name
    Calothrix longifila Taylor 1928	validly published under the ICN (Botanical Code)	synonym
    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 meneghiniana Dalla Torre and Sarnthein 1901	validly published under the ICN (Botanical Code)	synonym
    Calothrix micromeres Skuja 1937	validly published under the ICN (Botanical Code)	correct name
    Calothrix minima Frémy 1924	validly published under the ICN (Botanical Code)	correct name
    Calothrix minuscula Weber-van Bosse 1913	validly published under the ICN (Botanical Code)	correct name
    Calothrix mutnalensis Bongale 1986	validly published under the ICN (Botanical Code)	correct name
    Calothrix nidulans Setchell and Gardner 1924	validly published under the ICN (Botanical Code)	correct name
    Calothrix nodulosa Setchell and Gardner 1924	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 parva Ercegović 1925	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 rectangularis Setchell and Gardner 1918	validly published under the ICN (Botanical Code)	correct name
    Calothrix reptans Geitler 1933	validly published under the ICN (Botanical Code)	correct name
    Calothrix rhizosoleniae Lemmermann 1899	validly published under the ICN (Botanical Code)	correct name
    Calothrix robusta Setchell and Gardner 1918	validly published under the ICN (Botanical Code)	correct name
    Calothrix rosea Taylor 1928	validly published under the ICN (Botanical Code)	correct name
    Calothrix scytonemicola Tilden 1910	validly published under the ICN (Botanical Code)	correct name
    Calothrix simplex Gardner 1927	validly published under the ICN (Botanical Code)	correct name
    Calothrix simulans Gardner 1927	validly published under the ICN (Botanical Code)	correct name
    Calothrix stellaris Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Calothrix submarchica Archibald 1967	validly published under the ICN (Botanical Code)	correct name
    Calothrix tenella Gardner 1927	validly published under the ICN (Botanical Code)	correct name
    Calothrix turfosa Geitler 1933	validly published under the ICN (Botanical Code)	correct name
    Calothrix viguieri Frémy 1930	validly published under the ICN (Botanical Code)	correct name
    Calothrix violacea Jaag 1938	validly published under the ICN (Botanical Code), illegitimate name	in need of a replacement

Parent taxon: Calotrichaceae corrig. 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; 366:1-10.

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Record number: 6412