Name: Homoeothrix (Thuret ex Bornet and Flahault 1887) Kirchner 1898

Category: Genus

Proposed as: gen. nov.

Etymology: Ho.moe.o’thrix. Gr. fem. n. thrix, hair; N.L. fem. n. Homoeothrix, an organism resembling a hair

Gender, pronunciation: feminine (stem: Homoeotrich-), ho-mo͡e-O-t^hriks

Type species: Homoeothrix juliana (Meneghini 1841) Kirchner 1898

Valid publication: Kirchner O. Schizophyceae. In: A. Engler KP (eds), Die natürlichen Pflanzenfamilien. I. Teil, Abt. 1a, Wilhelm Engelmann, Leipzig, 1898, p. 45-92.

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

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Amphithrix Kützing ex Bornet and Flahault 1886	heterotypic synonym, validly published under the ICN (Botanical Code)
    "Leptochaete" Borzì 1882	heterotypic synonym, not validly published
    Tapinothrix Sauvageau 1892	heterotypic synonym, validly published under the ICN (Botanical Code)
    Leptochaete Borzì ex Bornet and Flahault 1886	heterotypic synonym, validly published under the ICN (Botanical Code), rejected name

• Notes:
  • 🥇 Nomenclatural type of the family Homoeotrichaceae Elenkin 1949. Publication: Elenkin AA. Monographia algarum Cyanophycearum aquidulcium et terrestrium in finibus URSS inventarum. Pars specialis (Systematica), Fasc. II. III. Hormogoneae (Geitl.) Elenk. Sumptibus Academiae Scientarum URSS, Mosqua & Leningrad, 1949.
  • 🧕 Elenkin (1949) assigned this genus to the family Homoeotrichaceae Elenkin 1949. 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.
  • 🧕 Komarek et al. (2014) assigned this genus to the family Homoeotrichaceae Elenkin 1949. 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 (or affected by an OCR error) in some sources as: "Eomoeothrix"; "Hammothrix"; "Hamoeothrix"; "Hmnoeothrix"; "Hnmoeothrix"; "Hoimeothrix"; "Homaeothrix"; "Homeeothrix"; "Homocothrix"; "Homoeothria"; "Homoeothrir"; "Homoeothriz"; "Homoeotrix"; "Homogothrix"; "Homosothrix"; "Homovothrix"; "Homveothrix"; "Honmeothrix"; "Honoeothrix"; "Hornoeothrix"; "Ilomoeothrix"; "Zomoeothrix".
  • 🧍 Pittman et al. (1991) suggested the abbreviation "HTRX" 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: 39
Number of child taxa with a validly published name, including synonyms: 45
Total number of child taxa: 50

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Homoeothrix aequalis Fritsch and Rich 1924	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix africana West 1912	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix articulata Starmach 1960	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix auraria corrig. Obuchova 1965	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix aurarius Obuchova 1965	inaccurate spelling (ICN [Botanical Code])	misspelling
    Homoeothrix balearica (Bornet and Flahault 1886) Lemmermann 1907	validly published under the ICN (Botanical Code)	synonym
    Homoeothrix batrachospermorum Skuja 1964	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix bornetii (Sauvageau 1892) Mabille 1954	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix brevis Kufferath 1914	validly published under the ICN (Botanical Code)	synonym
    Homoeothrix caespitosa (Rabenhorst 1873) Kirchner 1898	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix calcarea Li 1994	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix cartilaginea (West 1907) Lemmermann 1910	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix costaricense Kufferath 1929	inaccurate spelling (ICN [Botanical Code])	misspelling
    Homoeothrix costaricensis corrig. Kufferath 1929	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix crustacea Woronichin 1923	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix crustacea (Borzì ex Bornet and Flahault 1886) Margalef 1953	validly published under the ICN (Botanical Code), illegitimate name, later homonym	synonym
    Homoeothrix crustacea Woronichin 1926	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Homoeothrix desikacharyensis Vasishta 1964	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix endophytica (Lemmermann 1896) Lemmermann 1907	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix flagelliformis Vozzhennikova 1953	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix fusca corrig. Starmach 1934	validly published under the ICN (Botanical Code)	synonym
    Homoeothrix globulus Woronichin 1932	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix gloeophila Starmach 1960	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix gracilis (Hansgirg 1892) Komárek and Kováčik 1987	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix hansgirgii (Schmidle 1900) Lemmermann 1907	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix janthina (Bornet and Flahault 1886) Starmach 1959	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix juliana (Meneghini 1841) Kirchner 1898	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix kannae Komárek and Kováčik 1987	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix kwangtungensis Ley 1947	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix lyngbyoides Li 1984	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix margalefii Komárek and Kalina 1965	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix minuta Seckt 1922	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix moniliformis Vasishta 1964	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix mucicola An 1992	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix nordstedtii (Bornet and Flahault 1886) Komárek and Kann 1973	validly published under the ICN (Botanical Code)	synonym
    Homoeothrix pearsalli Godward 1937	inaccurate spelling (ICN [Botanical Code])	misspelling
    Homoeothrix pearsallii corrig. Godward 1937	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix poljanskii Muzafarov 1952	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix rivularis (Hansgirg 1892) Komárek and Kann 1973	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix rubra (Crouan 1867) Kirchner 1898	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix santolii Wawrik 1962	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix schizothrichoides Muzafarov 1959	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix simplex Woronichin 1932	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix stagnalis (Hansgirg 1892) Komárek and Kováčik 1987	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix subtilis Skuja 1964	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix varians Geitler 1928	validly published under the ICN (Botanical Code)	correct name
    Homoeothrix violacea (Bornet and Flahault 1886) Komárek and Kann 1973	validly published under the ICN (Botanical Code)	correct name
    "Homoeothrix woronichini" Margalef 1953	inaccurate spelling	misspelling
    "Homoeothrix woronichinii" corrig. Margalef 1953	not validly published	synonym
    Homoeothrix zavattarii Marchesoni 1939	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Microcoleaceae (Hansgirg 1892) Strunecký et al. 2013

Assigned by: 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. 🇨🇿

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Record number: 6503