Name: Alternantia Schiller 1954

Category: Genus

Proposed as: gen. nov.

Etymology: Al.ter.nan’ti.a. L. pres. part. alternans; N.L. fem. n. Alternantia

Gender, pronunciation: feminine (stem: Alternanti-), al-ter-NAN-ti-a

Type species: Alternantia serra Schiller 1954

Valid publication: Schiller J. Über Cyanophyceen aus kleinen künstlichen Wasserbecken und aus dem Ruster Kanal des Neusiedler Sees. Sitzungsberichte der Österreichischen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Klasse, Abteilung 1 1954; 163:109-139.

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

Taxonomic status: correct name

• Notes:
  • 🥇 Nomenclatural type of the family Alternantiaceae Schiller 1954. Publication: Schiller J. Über Cyanophyceen aus kleinen künstlichen Wasserbecken und aus dem Ruster Kanal aus Neusiedler Sees. Österr. Akad. Wiss., Math.-Naturwiss. Kl., Sitzungsber., Abt. I 1954; 163:109-139.
  • 🧕 Komarek and Anagnostidis (1986) assigned this genus to the family "Synechococcaceae". Publication: Komárek J, Anagnostidis K. Modern approach to the classification system of cyanophytes, 2 - Chroococcales. Algological Studies/Archiv für Hydrobiologie 1986; 43:157-226.
  • 🧕 Schiller (1954) assigned this genus to the family Alternantiaceae Schiller 1954. Publication: Schiller J. Über Cyanophyceen aus kleinen künstlichen Wasserbecken und aus dem Ruster Kanal des Neusiedler Sees. Sitzungsberichte der Österreichischen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Klasse, Abteilung 1 1954; 163:109-139.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Alternancia".

Subdivision:

Number of child taxa with a validly published and correct name: 3
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 5

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Alternantia geitleri Schiller 1954	validly published under the ICN (Botanical Code)	correct name
    "Alternantia quadriga" Schiller 1954	not validly published	preferred name
    "Alternantia ramifera" Schiller 1954	not validly published	preferred name
    Alternantia serra Schiller 1954	validly published under the ICN (Botanical Code)	correct name
    Alternantia tabularis Schiller 1954	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Cymatolegaceae Strunecký and Mareš 2023

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: 6458