Name: Hydrococcus Kützing 1833

Category: Genus

Proposed as: gen. nov.

Etymology: Hy.dro.coc’cus. N.L. masc. n. coccus, grain; N.L. masc. n. Hydrococcus, a coccus living in water

Gender, pronunciation: masculine (stem: Hydrococc-), hy-dro-KOK-kus

Type species: Hydrococcus rivularis Kützing 1833

Valid publication: Kützing FT. Beitrag zur Kenntniss über die Entstehung und Metamorphose der niedern vegetabilischen Organismen, nebst einer systematischen Zusammenstellung der hieher gehörigen niedern Algenformen. Linnaea 1833; 8:335-384.

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

Taxonomic status: correct name

• Notes:
  • 🥇 Nomenclatural type of the family Hydrococcaceae Kützing 1843. Publication: Kützing FT. Phycologia generalis oder Anatomie, Physiologie und Systemkunde der Tange. Mit 80 farbig gedruckten Tafeln, gezeichnet und gravirt vom Verfasser. F.A. Brockhaus, Leipzig, 1843.
  • 🧕 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 Entophysalis Kützing 1843. Publication: Drouet F. New Species and Transfers in Myxophyceae. American Midland Naturalist 1943; 30:671-674.
  • 🚋 The type species of this genus has alternatively been placed in the genus Oncobyrsa Agardh 1827. Publication: Meneghini G. Monographia Nostochinearum italicarum addito specimine de Rivulariis. Memorie della Reale Accademia delle Scienze di Torino, Series 2 1842; 5:1-143.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Aydrococcus"; "Flydrococcus"; "Hjdrococcus"; "Hydrecoccus"; "Hydroccccus"; "Hydrococctis"; "Hydrococeus"; "Hydrocoecus"; "Hydroooccus"; "Hygdrococcus"; "Ilydrococcus".
  • 😡 This taxon name is a homonym of "Hydrococcus" Link 1833.

Subdivision:

Number of child taxa with a validly published and correct name: 7
Number of child taxa with a validly published name, including synonyms: 8
Total number of child taxa: 8

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Hydrococcus brebissonii (Meneghini 1842) Kützing 1847	validly published under the ICN (Botanical Code)	synonym
    Hydrococcus cesatii Rabenhorst 1860	validly published under the ICN (Botanical Code)	correct name
    Hydrococcus ericetorum Kützing 1845	validly published under the ICN (Botanical Code)	correct name
    Hydrococcus marinus Grunow 1861	validly published under the ICN (Botanical Code)	correct name
    Hydrococcus pisiformis (Hudson 1778) Link 1833	validly published under the ICN (Botanical Code)	correct name
    Hydrococcus pruniformis (Linnaeus 1753) Link 1833	validly published under the ICN (Botanical Code)	correct name
    Hydrococcus rivularis Kützing 1833	validly published under the ICN (Botanical Code)	correct name
    Hydrococcus ulvaceus Kützing 1843	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: 6448