Name: Trichormus (Ralfs ex Bornet and Flahault 1886) Komárek and Anagnostidis 1989

Category: Genus

Proposed as: gen. nov.

Etymology: Trich.or’mus. N.L. masc. n. Trichormus, a hair-like necklace

Gender, pronunciation (Latin): masculine (stem: Trichorm-), trik^h-OR-mus

Type species: Trichormus variabilis (Kützing ex Bornet and Flahault 1886) Komárek and Anagnostidis 1989

16S rRNA gene: Analyse FASTA

Valid publication: Komárek J, Anagnostidis K. Modern approach to the classification system of Cyanophytes 4 - Nostocales. Algological Studies 1989; 56:247-345.

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

Taxonomic status: correct name

• Notes:
  • 🧕 Hoffmann et al. (2005) assigned this genus to the family Nostocaceae Eichler 1886. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115. 🇱🇺
  • 🧕 Komarek and Golubic (1990) assigned this genus to the subfamily "Anabaenoideae". Publication: Komarek J, Golubic S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Unknown Publisher, Unknown City, 1990.
  • 🧕 Komarek et al. (2014) assigned this genus to the family Nostocaceae Eichler 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 Aphanizomenaceae corrig. Elenkin 1938. 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. 🇨🇿
  • 🚋 The type species of this genus has alternatively been placed in the genus Anabaena Bory ex Bornet and Flahault 1886. Publication: Bornet É, Flahault C. Revision des Nostocacées hétérocystées contenues dans les principaux herbiers de France (quatrième et dernier fragment). Annales des Sciences Naturelles, Botanique, Septième Série 1886; 7:177-262.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Fichormus"; "Tfichormus"; "Trfchormus"; "Trichomus"; "Trichonnus"; "Trichormua"; "Triehormus"; "Trihormus".
  • 🧍 Pittman et al. (1991) suggested the abbreviation "TRCM" 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: 36
Number of child taxa with a validly published name, including synonyms: 36
Total number of child taxa: 39

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Trichormus anomalus (Fritsch 1949) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus antarcticus (Fritsch 1912) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus arvensis (Rao 1937) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus azollae (Strasburger 1884) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus botulus (Margalef 1951) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus catenula corrig. (Kützing 1849) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus catenulus (Kützing 1849) Komárek and Anagnostidis 1989	inaccurate spelling (ICN [Botanical Code])	misspelling
    Trichormus cycadearum (Reinke ex Tilden 1897) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus cylindrospermoides (Subba Raju 1963) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus doliolum (Bharadwaja 1935) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus ellipsosporus (Fritsch 1949) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus fertilissimus (Rao 1937) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus gelatinicola corrig. (Ghose 1924) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus gelatinicolus (Ghose 1924) Komárek and Anagnostidis 1989	inaccurate spelling (ICN [Botanical Code])	misspelling
    Trichormus gunnerae (Reinke ex Merker 1889) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus hallensis (Bornet and Flahault 1886) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus hansgirgii (Schmidle 1900) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    "Trichormus incurvus" Allman 1843	not validly published	preferred name
    Trichormus indicus Komárek 2012	validly published under the ICN (Botanical Code)	correct name
    Trichormus isocystoides (Welsh 1964) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus kashiensis (Bharadwaja 1935) Komárek 2012	validly published under the ICN (Botanical Code)	correct name
    Trichormus khannae (Skuja 1949) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus luteus (Gardner 1927) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus minor (Laloraya and Mitra 1972) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus naviculoides (Fritsch 1949) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus parvus (Philson 1939) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus polysporus (Tarnavschi and Mitroiu 1957) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus portoricensis (Gardner 1927) Komárek 2012	validly published under the ICN (Botanical Code)	correct name
    Trichormus propinquus (Setchell and Gardner 1919) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus pseudovariabilis (Woronichin 1929) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus randhawae (Venkataraman 1958) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus reverdattoanus (Popova and Degterieva 1935) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus rotundosporus (Hollerbach 1935) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus steloides (Canabaeus 1929) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus subtropicus (Gardner 1927) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus subvariabilis (Archibald 1967) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus tenuis (West 1907) Komárek 2012	validly published under the ICN (Botanical Code)	correct name
    Trichormus thermalis (Vouk 1916) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name
    Trichormus variabilis (Kützing ex Bornet and Flahault 1886) Komárek and Anagnostidis 1989	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Nodulariaceae Elenkin 1916

Assigned by: Saraf A, Blondet E, Boullie A, Criscuolo A, Gugger M. Insight on the heterocyte patterning and the proheterocyte division in the toxic cyanobacterium Kaarinaea lacus gen. nov., sp. nov., and its genomic potential for natural products. Harmful Algae 2025; 142:102792. 🇫🇷

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Record number: 6473