Name: Hapalosiphon Nägeli ex Bornet and Flahault 1886

Category: Genus

Proposed as: gen. nov.

Etymology: N.L. masc. n. Hapalosiphon

Gender: masculine (stem: Hapalosiphon-)

Type species: Hapalosiphon pumilus Kirchner ex Bornet and Flahault 1886

Valid publication: Bornet É, Flahault C. Revision des Nostocacées hétérocystées contenues dans les principaux herbiers de France (Troisième fragment). Annales des Sciences Naturelles, Botanique, Septième série 1886; 5:51-129.

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

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Sommierella Borzì 1917	heterotypic synonym, validly published under the ICN (Botanical Code)

• Notes:
  • Nomenclatural type of the family Hapalosiphonaceae Elenkin 1916. Publication: Elenkin AA. O znachenii nastoyashchago i lozhnago vetvleniya u sinezelenykh vodoroslej v sem. Stigonemataceae. Izviestiia Imperatorskago Sankt-Peterburgskago botanicheskago sada 1916; 16:272-280.
  • Geitler (1925) assigned this genus to the family Stigonemataceae (Agardh ex Bornet and Flahault 1886) Borzì 1892. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • This taxon name is occasionally misprinted in some sources as: "Hapalosiphonis"; "Hapalosyphon".
  • Pittman et al. (1991) suggested the abbreviation "HPSF" 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: 11
Number of child taxa with a validly published name, including synonyms: 11
Total number of child taxa: 12

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Hapalosiphon cossyrensis (Borzì 1917) Komárek 2012	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon delicatulus West and West 1902	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon fontinalis (Linnaeus 1753) Bornet 1889	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon godwardii (Prasad and Srivastava 1964) Komárek 1989	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon intricatus West and West 1894	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon laminosus Hansgirg ex Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon pumilus Kirchner ex Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    "Hapalosiphon santannae" Lemes da Silva et al. 2010	not validly published	preferred name (not correct name)
    Hapalosiphon stuhlmannii Hieronymus 1895	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon subgelatinosus Gardner 1927	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon tenuis Gardner 1927	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon welwitschii West and West 1897	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Hapalosiphonaceae Elenkin 1916

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: 6408