Genus Cyanobacterium

Name: Cyanobacterium Rippka and Cohen-Bazire 2022

Category, proposed as: genus, gen. nov.

Etymology: Cy.a.no.bac.te’ri.um. Gr. masc. n. kyanos, a blue dye; Gr. neut. dim. n. baktêrion, a small rod; N.L. neut. n. Cyanobacterium, a small blue­green rod

Gender, pronunciation (Latin): neuter (stem: Cyanobacteri-), ky-a-no-bak-TE-ri-um

Type species: Cyanobacterium stanieri Rippka and Cohen-Bazire 2022

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Oren A, Mares J, Rippka R. Validation of the names Cyanobacterium and Cyanobacterium stanieri, and proposal of Cyanobacteriota phyl. nov. Int J Syst Evol Microbiol 2022; 72:5528. 🇮🇱

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 72, part 10 of the IJSEM. Int J Syst Evol Microbiol 2023; 73:5736.

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

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Cyanobacterium" Rippka and Cohen-Bazire 1983	homotypic synonym, not validly published

• Notes:
  • 🥇 Nomenclatural type of the phylum Cyanobacteriota Oren et al. 2022. Publication: Oren A, Mares J, Rippka R. Validation of the names Cyanobacterium and Cyanobacterium stanieri, and proposal of Cyanobacteriota phyl. nov. Int J Syst Evol Microbiol 2022; 72:5528. 🇮🇱
  • 🥇 Nomenclatural type of the phylum Cyanobacteriophyta corrig. Oren et al. 2022. Publication: Oren A, Mares J, Rippka R. Validation of the names Cyanobacterium and Cyanobacterium stanieri, and proposal of Cyanobacteriota phyl. nov. Int J Syst Evol Microbiol 2022; 72:5528. 🇮🇱
  • 🧕 Oren et al. (2022) assigned this genus to the family Geminocystaceae Tuji et al. 2021. Publication: Oren A, Mares J, Rippka R. Validation of the names Cyanobacterium and Cyanobacterium stanieri, and proposal of Cyanobacteriota phyl. nov. Int J Syst Evol Microbiol 2022; 72:5528. 🇮🇱
  • 🚋 The type species of this genus has alternatively been placed in the genus Geminocystis Korelusová et al. 2009. Publication: Walter JM, Coutinho FH, Dutilh BE, Swings J, Thompson FL, Thompson CC. Ecogenomics and Taxonomy of Cyanobacteria Phylum. Front Microbiol 2017; 8:2132. 🇧🇷
  • 🚋 The type species of this genus has alternatively been placed in the genus "Cyanobacterium" Rippka and Cohen-Bazire 1983. Publication: Rippka R, Cohen-Bazire G. The cyanobacteriales: a legitimate order based on the type strain Cyanobacterium stanieri? Ann Microbiol (Paris) 1983; 134B:21-36. 🇫🇷
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Cganobaclerium"; "Cganobacterium"; "Cyanabacterium"; "Cyanobaclerium"; "Cyanolmcterium"; "Cymwbacterium".
  • ✏ The authority of the taxon name (Rippka and Cohen Bazire) deliberately differs from the authors of the publication (Oren et al.).
  • 🎰 The BRCs most frequently used for deposits in this group are: ATCC: 1; PCC: 1; CBFS: 1.
  • 🧍 Name validly published under the ICNafp although it appeared in a Notification List. Publication: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 72, part 10 of the IJSEM. Int J Syst Evol Microbiol 2023; 73:5736.

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
    Cyanobacterium stanieri Rippka and Cohen-Bazire 2022	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Merismopediaceae Elenkin 1933

Assigned by: Pokorny J, Kastovsky J, Stenclova LM. Epitypification of Merismopedia tranquilla (Cyanobacteria) prompts phylogenetic reassessment of the genus and the description of two morphologically similar genera. J Phycol 2026; 0:0. 🇨🇿

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.16523Copy to clipboardLink copied to clipboard

Record number: 16523

• Previous versions:

  • Version	Date	JSON
    1	2026-03-31