Name: Cayeuxia Frollo 1938

Category: Genus

Proposed as: gen. nov.

Etymology: N.L. n. Cayeuxia

Type species: Cayeuxia piae Frollo 1938

Valid publication: Frollo MM. [Title pending]. Bull. Soc. Géol. France, ser. 5 1938; 8:270.

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

Taxonomic status: synonym

Correct name: Rivularia (Roth 1797) Agardh ex Bornet and Flahault 1886

• Synonyms:

  • Name	Kind
    Zonotrichites Bornemann 1887	heterotypic synonym, validly published under the ICN (Botanical Code)
    Rivularia (Roth 1797) Agardh ex Bornet and Flahault 1886	heterotypic synonym, validly published under the ICN (Botanical Code), conserved name

• Notes:
  • 🧕 Dragastan (1971) assigned this genus to the family "Codiaceae". Publication: Dragastan O. New Algae in the Upper Jurassic and Lower Cretaceous in the Bicaz Valley, East Carpathians (Romania). Rev Esp Micropalaeontol 1971; 3:155-192.
  • 🧕 Dragastan (1985) assigned this genus to the family Scytonemataceae Frank 1886. Publication: Dragastan O. Review of Tethyan Mesozoic Algae of Romania. In: Toomey DF, Nitecki MH (eds), Paleoalgology. Contemporary research and applications, Springer-Verlag, Berlin Heidelberg, 1985, p. 101-161.
  • 🧕 Liu et al. (2021) assigned this genus to the order Nostocales corrig. Borzì 1914. Publication: Liu L, Wu Y, Bao H, Jiang H, Zheng L, Chen Y. Diversity and systematics of Middle-Late Ordovician calcified cyanobacteria and associated microfossils from Ordos Basin, North China. Journal of Paleontology 2021; 95:1-23.
  • 🚂 For the type species of this genus another name is in use, which is affiliated with the genus Rivularia (Roth 1797) Agardh ex Bornet and Flahault 1886. Publication: Dragastan O. Review of Tethyan Mesozoic Algae of Romania. In: Toomey DF, Nitecki MH (eds), Paleoalgology. Contemporary research and applications, Springer-Verlag, Berlin Heidelberg, 1985, p. 101-161.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Cageuxzia"; "Cayeuria"; "Cayeuzia".
  • ❗ Cayeuxia is the correct name instead if this genus is regarded as a separate genus (i.e., if its nomenclatural type is not assigned to another genus whose name is validly published, legitimate and not rejected and has priority).

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 6
Total number of child taxa: 7

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Cayeuxia americana Johnson 1961	validly published under the ICN (Botanical Code)	orphaned species
    Cayeuxia anae Dragastan 1971	validly published under the ICN (Botanical Code)	synonym
    Cayeuxia atanasiui Dragastan 1971	validly published under the ICN (Botanical Code)	synonym
    Cayeuxia elliottii Dragastan 1971	validly published under the ICN (Botanical Code)	orphaned species
    Cayeuxia kurdistanensis Elliott 1957	validly published under the ICN (Botanical Code)	synonym
    "Cayeuxia mediterranea" Herak 1967	not validly published	synonym (and no standing)
    Cayeuxia piae Frollo 1938	validly published under the ICN (Botanical Code)	synonym

Parent taxon: [Garwoodiaceae]

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Record number: 43377