Name: Geminocystaceae Tuji et al. 2021

Category: Family

Proposed as: fam. nov.

Etymology: Ge.mi.no.cys.ta’ce.ae. N.L. fem. pl. n. Geminocystaceae, the Geminocystis family

Pronunciation, gender: ge-mi-no-kys-TA-ke-a͡e, feminine

Type genus: Geminocystis Korelusová et al. 2009

Valid publication: Tuji A, Yamaguchi H, Kataoka T, Sato M, Sano T, Niiyama Y. Annamia dubia sp. nov. with a description of a new family, Geminocystaceae fam. nov. (Cyanobacteria). Fottea 2021; 21:100-109.

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

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Cyanobacteriaceae" Komárek et al. 2014	heterotypic synonym, not validly published

• Notes:
  • 🚃 The type genus of this family has alternatively been placed in the family Chroococcaceae Rabenhorst 1863. 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.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Gemonocystaceae".
  • 🎰 The BRCs most frequently used for deposits in this group are: CBFS: 5; PCC: 4; ATCC: 4; CALU: 3; BRNM: 2; UTEX: 1; C: 1; NIES: 1; FACHB: 1; CCAP: 1.

Subdivision:

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

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Annamia Nguyen 2013	validly published under the ICN (Botanical Code)	correct name
    "Cyanobacterium" Rippka and Cohen-Bazire 1983	not validly published	synonym
    Cyanobacterium Rippka and Cohen-Bazire 2022	validly published under the ICN (Botanical Code)	correct name
    Geminobacterium Ramos et al. 2017	validly published under the ICN (Botanical Code)	correct name
    Geminocystis Korelusová et al. 2009	validly published under the ICN (Botanical Code)	correct name
    Limnothece Zhang et al. 2024	validly published under the ICN (Botanical Code)	correct name
    Microcrocis Richter 1893	validly published under the ICN (Botanical Code)	correct name
    Picosynechococcus Komárek et al. 2020	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Chroococcales corrig. Ardissone 1886

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: 21453