Name: Trichodesmium Ehrenberg ex Gomont 1892

Category: Genus

Proposed as: gen. nov.

Etymology: Tri.cho.des’mi.um. Gr. neut. n. desmion; N.L. neut. n. Trichodesmium, a bundle of hair

Gender, pronunciation: neuter (stem: Trichodesmi-), tri-k^ho-DES-mi-um

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
    Haliarachne Lemmermann 1899	heterotypic synonym, validly published under the ICN (Botanical Code)
    Pelagothrix Schmidt 1902	heterotypic synonym, validly published under the ICN (Botanical Code)
    "Trichodesmium" Ehrenberg 1830	homotypic synonym, not validly published

• 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. 🇺🇸
  • 🧕 Engler (1898) assigned this genus to the family Oscillatoriaceae Engler 1898. Publication: Engler A. Syllabus der Vorlesung über specielle und medicinisch-pharmaceutische Botanik. Eine Übersicht über das gesamte Pflanzensystem mit Berücksichtigung der Medicinl- und Nutzpflanzen (2nd edt.). Gebrüder Bontraeger, Berlin, 1898.
  • 🧕 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. 🇱🇺
  • 🚋 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. 1-1196.
  • 🚋 The type species of this genus has alternatively been placed in the genus Oscillatoria Vaucher ex Gomont 1892. Publication: Drouet F. Revision of the classification of the Oscillatoriaceae. Academy of Natural Sciences of Philadelphia, Monograph 1968; 15:1-370.
  • 🚋 The type species of this genus has alternatively been placed in the genus "Trichodesmium" Ehrenberg 1830. Publication: Ehrenberg CG. Neue Beobachtungen über blutartige Erscheinungen in Aegypten, Arabien und Sibirien, nebst einer Uebersicht und Kritik der früher bekannten. Annalen der Physik und Chemie 1830; 94:477-514.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Trichadesmium"; "Trichodbsmium"; "Trichodcsmium"; "Trichodeeaium"; "Trichodesimum"; "Trichodesmiura"; "Trichodesrnium"; "Trickadesmium"; "Trickodesmium"; "Tricliodesmium".
  • 🎰 The BRCs most frequently used for deposits in this group are: SP: 1.
  • 🧍 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: 7
Number of child taxa with a validly published name, including synonyms: 13
Total number of child taxa: 18

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    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 1908	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Trichodesmium contortum (Wille ex Kirchner 1898) Wille 1904	validly published under the ICN (Botanical Code)	synonym
    Trichodesmium erythraeum Ehrenberg ex Gomont 1892	validly published under the ICN (Botanical Code)	correct name
    Trichodesmium hildebrandtii corrig. Gomont 1892	validly published under the ICN (Botanical Code)	synonym
    Trichodesmium hildebrantii Gomont 1892	inaccurate spelling (ICN [Botanical Code])	misspelling
    Trichodesmium indicum (Hauck 1888) ex Lemmermann 1899	validly published under the ICN (Botanical Code)	correct name
    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	pro-correct name
    "Candidatus Trichodesmium miru" Delmont et al. 2021	inaccurate spelling	misspelling
    "Candidatus Trichodesmium nobis" Delmont et al. 2021	inaccurate spelling	misspelling
    "Candidatus Trichodesmium nostrum" corrig. Delmont et al. 2021	not validly published	pro-correct name
    Trichodesmium scoboideum Lucas 1919	validly published under the ICN (Botanical Code)	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: 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: 6339