Name: Xenococcus Thuret 1880

Category: Genus

Proposed as: gen. nov.

Etymology: Xe.no.coc.cus. N.L. masc. n. coccus, grain; N.L. masc. n. Xenococcus

Gender: masculine (stem: Xenococc-)

Type species: Xenococcus schousboei Thuret 1880

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Bornet É, Thuret G. Notes algologiques recueil d'observations sur les algues. Fasc. 2. G. Masson, Paris, 1880.

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

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Coleonema Schousboe ex Bornet and Thuret 1880	heterotypic synonym, validly published under the ICN (Botanical Code)

• Notes:
  • 🥇 Nomenclatural type of the family Xenococcaceae Ercegović 1932. Publication: Ercegovic A. Ekoloske i socioloske studije o litofitskim cijanoficejama sa jugoslovenske obale Jadrana. Rad Jugoslovenske Akademije Znanosti i Umjetnosti Zagreb 1932; 244:129-220.
  • 🧕 Boone et al. (2001) assigned this genus to the class "Cyanobacteria". Publication: Garrity GM, Holt JG. The Road Map to the Manual. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 119-166.
  • 🧕 Ercegovic (1932) assigned this genus to the family Xenococcaceae Ercegović 1932. Publication: Ercegovic A. Ekoloske i socioloske studije o litofitskim cijanoficejama sa jugoslovenske obale Jadrana. Rad Jugoslovenske Akademije Znanosti i Umjetnosti Zagreb 1932; 244:129-220.
  • 🧕 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.
  • 🧕 Hoffmann et al. (2005) assigned this genus to the family Xenococcaceae Ercegović 1932. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧕 Komarek et al. (2014) assigned this genus to the family Xenococcaceae Ercegović 1932. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
  • 🧕 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 Coleonema Schousboe ex Bornet and Thuret 1880. Publication: Bornet É, Thuret G. Notes algologiques recueil d'observations sur les algues. Fasc. 2. G. Masson, Paris, 1880.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Aenococcus"; "Xcuococcus"; "Xenacoccus"; "Xenacoceus"; "Xenecoccus"; "Xenococceus"; "Xenococcm"; "Xenococeus"; "Xenococus"; "Xenocoecus"; "Xenocoocus"; "Xenoeoccus"; "Xenoeoecus"; "Xeuococcus"; "Xmenococcus"; "Xonocowus".
  • 🎰 The BRCs most frequently used for deposits in this group are: FCME: 1; TNS: 1.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "XECO" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 18
Number of child taxa with a validly published name, including synonyms: 22
Total number of child taxa: 24

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Xenococcus acervatus Setchell and Gardner 1918	validly published under the ICN (Botanical Code)	correct name
    Xenococcus bicudoi Montejano et al. 1993	validly published under the ICN (Botanical Code)	correct name
    Xenococcus britannica Fritsch 1927	inaccurate spelling (ICN [Botanical Code])	misspelling
    Xenococcus candelariae Tavera and Komárek 1996	validly published under the ICN (Botanical Code)	correct name
    Xenococcus chaetomorphae Setchell and Gardner 1918	validly published under the ICN (Botanical Code)	correct name
    Xenococcus chroococcoides Fritsch 1929	validly published under the ICN (Botanical Code)	synonym
    Xenococcus cladophorae (Tilden 1900) Setchell and Gardner 1918	validly published under the ICN (Botanical Code)	correct name
    Xenococcus deformans Setchell and Gardner 1924	validly published under the ICN (Botanical Code)	correct name
    Xenococcus gilkeyae Setchell and Gardner 1918	validly published under the ICN (Botanical Code)	synonym
    Xenococcus kerneri Hansgirg 1887	validly published under the ICN (Botanical Code)	synonym
    "Xenococcus lajollai" Walter et al. 2017	not validly published	preferred name (not correct name)
    Xenococcus lamellosus Gold-Morgan et al. 1994	validly published under the ICN (Botanical Code)	correct name
    Xenococcus laysanensis Lemmermann 1905	validly published under the ICN (Botanical Code)	correct name
    Xenococcus luteoviolaceus Komárek and Watanabe 1998	validly published under the ICN (Botanical Code)	correct name
    Xenococcus minimus Geitler 1922	validly published under the ICN (Botanical Code)	correct name
    Xenococcus pallidus (Hansgirg 1889) Komárek and Anagnostidis 1995	validly published under the ICN (Botanical Code)	correct name
    Xenococcus pulcher Hollenberg 1939	validly published under the ICN (Botanical Code)	correct name
    Xenococcus pyriformis Setchell and Gardner 1918	validly published under the ICN (Botanical Code)	correct name
    Xenococcus rivularis (Hansgirg 1889) Geitler 1925	validly published under the ICN (Botanical Code)	synonym
    Xenococcus schousboei Thuret 1880	validly published under the ICN (Botanical Code)	correct name
    Xenococcus spongiosum Konstantinou et al. 2021	validly published under the ICN (Botanical Code)	correct name
    Xenococcus willei Gardner 1927	validly published under the ICN (Botanical Code)	correct name
    Xenococcus yellowstonensis Copeland 1936	validly published under the ICN (Botanical Code)	correct name
    Xenococcus yonedae Umezaki and Watanabe 1994	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Hyellaceae Borzi 1914

Assigned by: Parte AC, Sarda Carbasse J, Meier-Kolthoff JP, Reimer LC, Goker M. List of Prokaryotic names with Standing in Nomenclature (LPSN) moves to the DSMZ. Int J Syst Evol Microbiol 2020; 70:5607-5612.

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Record number: 6483