Name: Chroococcidium Geitler 1933

Category: Genus

Proposed as: gen. nov.

Etymology: Chro.o.coc.ci’di.um. N.L. masc. n. Chroococcus, a cyanobacterial genus; N.L. neut. n. Chroococcidium, an organism similar to Chroococcus

Gender, pronunciation: neuter (stem: Chroococcidi-), k^hro-o-kok-KI-di-um

Type species: Chroococcidium gelatinosum Geitler 1933

Valid publication: Geitler L. Diagnosen neuer Blaualgen von den Sunda-Inseln. Archiv für Hydrobiologie, Supplement 1933; 12:622-634.

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

Taxonomic status: correct name

• Notes:
  • 🥇 Nomenclatural type of the family Chroococcidiaceae Geitler 1933. Publication: Geitler L. Diagnosen neuer Blaualgen von den Sunda-Inseln. Arch. Hydrobiol. Suppl. 1933; 12:622-634.
  • 🥇 Nomenclatural type of the subfamily Chroococcidioideae 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.
  • 🧕 Geitler (1933) assigned this genus to the family Chroococcidiaceae Geitler 1933. Publication: Geitler L. Diagnosen neuer Blaualgen von den Sunda-Inseln. Archiv für Hydrobiologie, Supplement 1933; 12:622-634.
  • 🧕 Komarek et al. (1975) assigned this genus to the subfamily Chroococcidioideae 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.
  • 🧕 Strunecky et al. (2023) assigned this genus to the family Pleurocapsaceae Geitler 1925. Publication: 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.
  • 🚋 The type species of this genus has alternatively been placed in the genus Chroococcopsis Geitler 1925. Publication: Bourrelly P. Les algues d'eau douce. Initiation à la systématique. Tome III: Les Algues bleues et rouges. Les Eugléniens, Peridiniens et Cryptomonadines. Boubée & Cie, Paris, 1970.
  • 🧍 Komarek et al. (2014) treated Hyellaceae as synonym of the younger Pleurocapsaceae but assigned this genus to Hyellaceae in the hierarchical classification. Publication: Komárek J, Kastovsky J, Mares J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
  • 🧍 See also Geitler and Ruttner (1936). Publication: Geitler L, Ruttner F. Die Cyanophyceen der deutschen limnologischen Sunda-Expedition, ihre Morphologie, Systematik und Ökologie. Zweiter Teil. Archiv für Hydrobiologie, Tropische Binnengewässer 1936; 14:371-483.

Subdivision:

Number of child taxa with a validly published and correct name: 1
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
    Chroococcidium gelatinosum Geitler 1933	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Hydrococcaceae Kützing 1843

Assigned by: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.

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Record number: 6225