Name: Hydrococcaceae Kützing 1843

Category: Family

Proposed as: fam. nov.

Etymology: N.L. fem. pl. n. Hydrococcaceae, the Hydrococcus family

Gender: feminine

Type genus: Hydrococcus Kützing 1833

Valid 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.

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

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Scopulonemataceae Ercegovic 1932	heterotypic synonym, validly published under the ICN (Botanical Code)
    Endonemataceae Pascher ex Elenkin 1935	heterotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    "Exococcaceae" Stizenberger 1860	heterotypic synonym, not validly published
    Endonemataceae Pascher ex Schmidt 1937	heterotypic synonym, validly published under the ICN (Botanical Code), illegitimate name

• Notes:
  • Hoffmann et al. (2005) assigned this family to the order Chroococcales Schaffner 1922. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • Hoffmann et al. (2005) assigned the genus Chroococcidium Geitler 1933 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • Hoffmann et al. (2005) assigned the genus Cyanosaccus Lukas and Golubić 1981 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • Hoffmann et al. (2005) assigned the genus Hyella Bornet and Flahault 1888 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • Hoffmann et al. (2005) assigned the genus Podocapsa Ercegović 1931 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • Hoffmann et al. (2005) assigned the genus Solentia Ercegović 1927 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • Hoffmann et al. (2005) assigned the genus Radaisia Sauvageau 1895 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • Hoffmann et al. (2005) assigned the genus Cyanoderma Weber-van Bosse 1887 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • Hoffmann et al. (2005) assigned the genus Pleurocapsa Thuret 1885 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • Hoffmann et al. (2005) assigned the genus "Ercegovicia" to this family. — Hoffmann et al. (2005) assigned the genus "Pascherinema" to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • Komarek and Golubic (1990) assigned the genus Oncobyrsa Agardh 1827 to this family. Publication: Komarek J, Golubic S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Unknown Publisher, Unknown City, 1990.
  • Komarek and Golubic (1990) assigned the subfamily "Hydrococcoideae" to this family. — Komarek and Golubic (1990) assigned the subfamily "Pascherinematoideae" to this family. — Komarek and Golubic (1990) assigned the subfamily "Podocapsoideae" to this family. Publication: Komarek J, Golubic S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Unknown Publisher, Unknown City, 1990.
  • The type genus of this family has alternatively been placed in 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.
  • This taxon name is occasionally misprinted in some sources as: "Ilydrococcaceae".
  • Silva (1980) notes that as circumscribed in the Index Nominum Genericorum, this family includes Exococcus, the type of Exococcaceae Stizenberger 1860; Hyella, the type of Hyellaceae Borzì 1914; Dermocarpa, the type of Dermocarpaceae Geitler 1925; Pleurocapsa, the type of Pleurocapsaceae Geitler 1925, a superfluous name initially applied to a family that included Hyella; Podocapsa Ercegović 1931, a later homonym and the type of the family name Podocapsaceae Ercegović 1932, which is not in accordance with the rules of the ICN; Scopulonema, the type of Scopulonemataceae Ercegović 1932; and Xenococcus, the type of Xenococcaceae Ercegović 1932. Hydrococcaceae in the Index Nominum Genericorum has essentially the same circumscription as Hyellaceae in Bourrelly (1970, p. 336), which was incorrectly named since it included Hydrococcus. According to Silva (1980), Geitler (1942, p. 85) was incorrect in applying the name Scopulonemataceae to a family that included Hydrococcus. Publication: Silva PC. Names of classes and families of living algae with special reference to their use in the Index Nominum Genericorum (Plantarum). Bohn, Scheltema & Holkema, Utrecht, 1980.

Subdivision:

Number of child taxa with a validly published and correct name: 10
Number of child taxa with a validly published name, including synonyms: 11
Total number of child taxa: 12

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Askenasya Möbius 1887	validly published under the ICN (Botanical Code)	correct name
    Brachynema Ercegović 1931	validly published under the ICN (Botanical Code)	correct name
    Dalmatella Ercegović 1929	validly published under the ICN (Botanical Code)	correct name
    Endonema Pascher 1929	validly published under the ICN (Botanical Code)	correct name
    "Exococcus" Nägeli 1847	not validly published	preferred name (not correct name)
    Hormathonema Ercegović 1929	validly published under the ICN (Botanical Code)	correct name
    Hydrococcus Kützing 1833	validly published under the ICN (Botanical Code)	correct name
    Myxohyella Geitler 1925	validly published under the ICN (Botanical Code)	correct name
    Onkonema Geitler 1933	validly published under the ICN (Botanical Code)	correct name
    Radaisiella Geitler 1925	validly published under the ICN (Botanical Code)	correct name
    Scopulonema Ercegović 1930	validly published under the ICN (Botanical Code)	synonym
    Tryponema Ercegović 1929	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Pleurocapsales Geitler 1925

Assigned by: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.

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Record number: 6115