Name: Trichodesmium Ehrenberg ex Gomont 1892

Category: Genus

Proposed as: gen. nov.

Etymology: Gr. neut. n. desmion; N.L. neut. n. Trichodesmium

Gender: neuter (stem: Trichodesmi-)

Type species: Trichodesmium erythraeum Ehrenberg ex Gomont 1892

Valid publication: Gomont M. Monographie des Oscillariées (Nostocacées Homocystées) deuxiéme partie -Lyngbyées. Annales des Sciences Naturelles, Botanique, Série 7 1892; 16:91-264.

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

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Xanthotrichum" Wille 1893	heterotypic synonym, not validly published
    Pelagothrix Schmidt 1902	heterotypic synonym, validly published under the ICN (Botanical Code)
    Xanthotrichum Wille ex Kirchner 1898	heterotypic synonym, validly published under the ICN (Botanical Code)
    Haliarachne Lemmermann 1899	heterotypic synonym, validly published under the ICN (Botanical Code)

• Notes:
  • Anagnostidis and Komarek (1988) assigned this genus to the family Phormidiaceae Anagnostidis and Komárek 1988. Publication: Anagnostidis K, Komárek J. Modern approach to the classification system of cyanophytes. 3. Oscillatoriales. Archiv für Hydrobiologie, Supplement 1988; 80:327-472.
  • 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 Phormidiaceae Anagnostidis and Komárek 1988. 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 Microcoleaceae Strunecký et al. 2013. 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 Microcoleaceae Strunecký et al. 2013. 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 Oscillatoria Vaucher ex Gomont 1892. Publication: Geitler L. Cyanophyceae. In: Rabenhorst L (eds), Kryptogamen-Flora von Deutschland, Österreich und der Schweiz. Ed. 2, Akademische Verlagsgesellschaft, Leipzig, 1932, p. 673-1196.
  • This taxon name is occasionally misprinted in some sources as: "Trichadesmium"; "Trichodcsmium"; "Trichodeeaium"; "Trichodesimum"; "Trichodesmiura"; "Trichodesrnium"; "Trickadesmium"; "Trickodesmium"; "Tricliodesmium".
  • Pittman et al. (1991) suggested the abbreviation "TRDM" 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: 6
Number of child taxa with a validly published name, including synonyms: 10
Total number of child taxa: 15

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Trichodesmium aureum" Hynes et al. 2012	not validly published	preferred name (not correct name)
    Trichodesmium brasiliense Sant'Anna et al. 2018	validly published under the ICN (Botanical Code)	correct name
    Trichodesmium clevei (Schmidt 1902) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    Trichodesmium contortum (Wille ex Kirchner 1898) Wille 1903	validly published under the ICN (Botanical Code)	correct name
    Trichodesmium erythraeum Ehrenberg ex Gomont 1892	validly published under the ICN (Botanical Code)	correct name
    Trichodesmium hildebrandtii Gomont 1892	validly published under the ICN (Botanical Code)	synonym
    Trichodesmium iwanoffianum Nygaard 1926	validly published under the ICN (Botanical Code)	synonym
    Trichodesmium lacustre Klebahn 1895	validly published under the ICN (Botanical Code)	synonym
    Trichodesmium lenticulare (Lemmermann 1899) Anagnostidis and Komárek 1988	validly published under the ICN (Botanical Code)	correct name
    "Candidatus Trichodesmium mirabile" corrig. Delmont et al. 2021	not validly published	preferred name (not correct name)
    "Candidatus Trichodesmium miru" Delmont et al. 2021	inaccurate spelling	misspelling (and no standing)
    "Candidatus Trichodesmium nobis" Delmont et al. 2021	inaccurate spelling	misspelling (and no standing)
    "Candidatus Trichodesmium nostrum" corrig. Delmont et al. 2021	not validly published	preferred name (not correct name)
    Trichodesmium tenue Wille 1904	validly published under the ICN (Botanical Code)	correct name
    Trichodesmium thiebautii Gomont 1892	validly published under the ICN (Botanical Code)	synonym

Parent taxon: Oscillatoriaceae Engler 1898

Assigned by: Engler A. Syllabus der Pflanzenfamilien. Vol. 2. Unknown Publisher, Berlin, 1898.

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Record number: 6339