Name: Radaisiella Geitler 1925

Category: Genus

Proposed as: gen. nov.

Etymology: Ra.da.i.si.el’la. N.L. fem. dim. n. Radaisiella, named after the genus Radaisia

Gender, pronunciation (Latin): feminine (stem: Radaisiell-), ra-da-i-si-EL-la

Type species: Radaisiella subimmersa (Setchell and Gardner 1918) Geitler 1925

Valid publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.

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

Taxonomic status: synonym

Correct name: Cyanoderma Weber-van Bosse 1887

• Synonyms:

  • Name	Kind
    Cyanoderma Weber-van Bosse 1887	heterotypic synonym, validly published under the ICN (Botanical Code)

• Notes:
  • 🧕 Geitler (1925) assigned this genus to the family Pleurocapsaceae Geitler 1925. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧕 Komarek and Golubic (1990) assigned this genus to the subfamily "Hydrococcoideae". Publication: Komárek J, Golubić S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Published by the Authors, Třeboň and Boston, 1990.
  • 🧕 Komarek et al. (1975) assigned this genus to the subfamily Hyelloideae Komárek et al. 1975. Publication: Komárek J, Ludvik J, Pokorny V. Cell structure and endospore formation in the blue-green alga Chroococcidiopsis. Arch. Hydrobiol. Suppl. 1975; 46:205-223.
  • 🚂 For the type species of this genus another name is in use, which is affiliated with the genus Cyanoderma Weber-van Bosse 1887. Publication: Komárek J, Anagnostidis K. Nomenclatural novelties in chroococcalean cyanoprokaryotes. Preslia, Praha 1995; 67:15-23.
  • ❗ Radaisiella 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).
  • 🎰 The BRCs most frequently used for deposits in this group are: UC: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 0
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
    Radaisiella subimmersa (Setchell and Gardner 1918) Geitler 1925	validly published under the ICN (Botanical Code)	synonym

Parent taxon: Hydrococcaceae Kützing 1843

Assigned by: Freese HM, Meier-Kolthoff JP, Sarda Carbasse J, Afolayan AO, Goker M. TYGS and LPSN in 2025: a Global Core Biodata Resource for genome-based classification and nomenclature of prokaryotes within DSMZ Digital Diversity. Nucleic Acids Res 2026; 54:D884-D891. 🇩🇪

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Record number: 17982