Name: Clastidium Kirchner 1880

Category: Genus

Proposed as: gen. nov.

Etymology: Clas.ti’di.um. L. neut. n. Clastidium, Name von ϰλαω „zerbrechen" abgeleitet

Gender, pronunciation: neuter (stem: Clastidi-), klas-TI-di-um

Type species: Clastidium setigerum Kirchner 1880

Valid publication: Kirchner O. Beiträge zur Algenflora von Württemberg. Jahreshefte des Vereins für vaterländische Naturkunde in Württemberg 1880; 36:155-203.

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

Taxonomic status: correct name

• Notes:
  • 🥇 Nomenclatural type of the family Clastidiaceae Drouet and Daily 1952. Publication: Drouet F, Daily WA. A synopsis of the coccoid Myxophyceae. Butler University Botanical Studies 1952; 10:220-223.
  • 🧕 Drouet and Daily (1952) assigned this genus to the family Clastidiaceae Drouet and Daily 1952. Publication: Drouet F, Daily WA. A synopsis of the coccoid Myxophyceae. Butler University Botanical Studies 1952; 10:220-223.
  • 🧕 Geitler (1925) assigned this genus to the family Dermocarpaceae Geitler 1925. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Ciastidium"; "Claiitidium"; "Clascridium"; "Clasiidium"; "Clasuidium"; "Clattidium"; "Elastidium".
  • 🎰 The BRCs most frequently used for deposits in this group are: TNS: 1.

Subdivision:

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

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Clastidium cylindricum Whelden 1947	validly published under the ICN (Botanical Code)	correct name
    Clastidium nepalense Komárek and Watanabe 1998	validly published under the ICN (Botanical Code)	correct name
    Clastidium rivulare (Hansgirg 1890) Hansgirg 1892	validly published under the ICN (Botanical Code)	correct name
    Clastidium setigerum Kirchner 1880	validly published under the ICN (Botanical Code)	correct name
    Clastidium sicyoideum Li 1984	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Chamaesiphonaceae Borzì 1878

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: 6443