Name: Oxyphotobacteria (ex Gibbons and Murray 1978) Murray 1988

Category: Class

Proposed as: class. nov., nom. rev.

Etymology: Gr. masc. adj. oxys, acid or sour and in combined words indicating oxygen; Gr. neut. n. phôs (gen. phôtos), light; N.L. neut. pl. n. bacteria, plural of bacterium; N.L. neut. pl. n. Oxyphotobacteria, light-requiring bacteria that produce oxygen (not formed from a genus name)

Gender: neuter

Type order: Chroococcales Cavalier-Smith 2002

Effective publication: Murray RGE. The higher taxa, or, a place for everything..? In: Krieg NR, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 1., The Williams & Wilkins Co., Baltimore, 1984, p. 31-34.

IJSEM list: Anonymous. Validation list no. 25. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1988; 38:220-222.

Nomenclatural status: validly published under the ICNP, illegitimate name

Taxonomic status: synonym

Correct name: Cyanophyceae Schaffner 1909

• Synonyms:

  • Name	Kind
    Cyanophyceae Schaffner 1909	heterotypic synonym, validly published under the ICN (Botanical Code)
    Gloeobacteria Cavalier-Smith 2002	heterotypic synonym, validly published under the ICNP, rejected name
    Chroobacteria Cavalier-Smith 2002	homotypic synonym, validly published under the ICNP, rejected name
    Hormogoneae Cavalier-Smith 2002	heterotypic synonym, validly published under the ICNP, rejected name

• Notes:
  • Murray (1984) assigned this class to the phylum "Gracilicutes" Gibbons and Murray 1978 (Approved Lists 1980). Publication: Murray RGE. The higher taxa, or, a place for everything..? In: Krieg NR, Holt JG (eds), Bergey's Manual of Systematic Bacteriology, first edition, vol. 1, The Williams & Wilkins Co., Baltimore, 1984, p. 31-34.
  • The type order of this class has alternatively been placed in the class Chroobacteria Cavalier-Smith 2002. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
  • The type order of this class has alternatively been placed in the class "Cyanobacteria". Publication: Strunecký O, Ivanova AP, Mareš J. An updated classification of cyanobacterial orders and families based on phylogenomic and polyphasic analysis. Journal of Phycology 2023; 0:0.
  • Illegitimate according to Tindall (2014): "Neither of the names of these [type] orders has been validly published under the International Code of Nomenclature of Bacteria (Lapage et al., 1992), nor have the genus names on which they are based been validly published.". Publication: Tindall BJ. Names at the rank of class, subclass and order, their typification and current status: Supplementary information to Opinion 79. Judicial Commission of the International Committee on Systematics of Prokaryotes. Int J Syst Evol Microbiol 2014; 64:3599-3602.
  • The order Chroococcales Cavalier-Smith was validly published in 2002. However, this order is illegitimate because its type genus "Chroococcus" is not validly published under the Rules of the Bacteriological Code (1990 Revision). Publication: Parker CT, Tindall, B.j., Garrity, G.m. International Code of Nomenclature of Prokaryotes. Int J Syst Evol Microbiol 2019; 69:S1-S111.
  • This name was mentioned in a Request for an Opinion. Publication: Goker M. Solving the remaining problems with names of classes. Request for an Opinion. Int J Syst Evol Microbiol 2022; 72:5605.
  • Irregularly formed name (not formed from the stem of the name of the nomenclatural type). According to the List Editor of the IJSEM, the type order, "Chroococcales", has been previously established by Gibbons and Murray. However, the type order "Chroococcales" Gibbons and Murray is not validly published. Publication: Anonymous. Validation list no. 25. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1988; 38:220-222.

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Record number: 58