Name: Nostocophyceae Christensen 1978

Category: Class

Proposed as: class. nov.

Etymology: N.L. fem. pl. n. Nostocophyceae, the Nostoc class

Gender: feminine

Type genus: Nostoc Vaucher ex Bornet and Flahault 1886

Valid publication: Christensen T. Annotations to a textbook of phycology. Bot. Tidsskr. 1978; 73:65-70.

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

Taxonomic status: synonym

Correct name: Cyanophyceae Schaffner 1909

• Synonyms:

  • Name	Kind
    Chamaesiphonophyceae Hollerbach et al. 1953	heterotypic synonym, validly published under the ICN (Botanical Code)
    Chroococcophyceae Hollerbach et al. 1953	heterotypic synonym, validly published under the ICN (Botanical Code)
    "Pleurocapsophyceae" Starmach 1966	heterotypic synonym, not validly published
    Chamaesiphonophyceae Starmach 1966	heterotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    Hormogoneae Cavalier-Smith 2002	heterotypic synonym, validly published under the ICNP, rejected name, later homonym
    Cyanophyceae Schaffner 1909	heterotypic synonym, validly published under the ICN (Botanical Code)
    Oxyphotobacteria (ex Gibbons and Murray 1978) Murray 1988	heterotypic synonym, validly published under the ICNP, rejected name
    Chroobacteria Cavalier-Smith 2002	heterotypic synonym, validly published under the ICNP, rejected name
    Chroococcophyceae Starmach 1966	heterotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    Gloeobacteria Cavalier-Smith 2002	heterotypic synonym, validly published under the ICNP, rejected name

• Notes:
  • 🚃 The type genus of this class has alternatively been placed in the class Schizophyceae Warming 1890. Publication: Warming E. Handbuch der systematischen Botanik. Deutsche Ausgabe von Dr. Emil Knoblauch. Unknown Publisher, Berlin, 1890.
  • 🚃 The type genus of this class has alternatively been placed in 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.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Nostochophyceae".
  • ❗ Nostocophyceae is the correct name instead if this class is regarded as a separate class (i.e., if its nomenclatural type is not assigned to another class whose name is validly published, legitimate and not rejected and has priority).
  • 🧍 According to Silva (1980) this name is, as circumscribed in the Index Nominum Genericorum, equivalent to Cyanophyceae. Publication: Silva PC. Names of classes and families of living algae with special reference to their use in the Index Nominum Genericorum (Plantarum). Bohn, Scheltema & Holkema, Utrecht, 1980.

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Record number: 6074