Name: Petalonema Berkeley ex Correns 1889

Category: Genus

Proposed as: gen. nov.

Etymology: Gr. neut. n. nêma, a thread; N.L. neut. n. Petalonema

Gender: neuter (stem: Petalonemat-)

Type species: Petalonema alatum (Borzì ex Bornet and Flahault 1886) Correns 1889

Valid publication: Correns C. Über Dickenwachsthum durch Intussusception bei einigen Algenmembranen. Flora (Jena) 1889; 72:298-347.

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

Taxonomic status: correct name

• Notes:
  • Hoffmann et al. (2005) assigned this genus to the family Microchaetaceae Lemmermann 1907. 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 Scytonema Agardh ex Bornet and Flahault 1886. 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.
  • This taxon name is occasionally misprinted in some sources as: "Pctalonema"; "Peialonema"; "Pejlonema"; "Pelalonema"; "Peralonema"; "Petalanema"; "Petalenema"; "Petaloncma"; "Petalonenia"; "Petalouema"; "Petelonema".

Subdivision:

Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 1

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Petalonema alatum (Borzì ex Bornet and Flahault 1886) Correns 1889	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Scytonemataceae Frank 1886

Assigned by: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.

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Record number: 6423