Name: Phycisphaerae Fukunaga et al. 2010

Category: Class

Proposed as: class. nov.

Etymology: Phy.ci.sphae’rae. N.L. fem. n. Phycisphaera, type genus of the type order of the class; N.L. fem. pl. n. Phycisphaerae, the class of the order Phycisphaerales (nominative plural of Phycisphaera)

Gender: feminine

Type genus: Phycisphaera Fukunaga et al. 2010

Effective publication: Fukunaga Y, Kurahashi M, Sakiyama Y, Ohuchi M, Yokota A, Harayama S. Phycisphaera mikurensis gen. nov., sp. nov., isolated from a marine alga, and proposal of Phycisphaeraceae fam. nov., Phycisphaerales ord. nov. and Phycisphaerae classis nov. in the phylum Planctomycetes. J Gen Appl Microbiol 2009; 55:267-275.

IJSEM list: Euzeby JP. Validation list no. 131. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2010; 60:1-2.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🧕 Cavalier-Smith and Chao (2020) assigned this class to the infraphylum "Planctomycetia" Cavalier-Smith 2020. Publication: Cavalier-Smith T, Chao EE. Multidomain ribosomal protein trees and the planctobacterial origin of neomura (eukaryotes, archaebacteria). Protoplasma 2020; 257:621-753.
  • 🧕 Fukunaga et al. (2009) assigned this class to the phylum "Planctomycetes" Garrity and Holt 2001. Publication: Fukunaga Y, Kurahashi M, Sakiyama Y, Ohuchi M, Yokota A, Harayama S. Phycisphaera mikurensis gen. nov., sp. nov., isolated from a marine alga, and proposal of Phycisphaeraceae fam. nov., Phycisphaerales ord. nov. and Phycisphaerae classis nov. in the phylum Planctomycetes. J Gen Appl Microbiol 2009; 55:267-275.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Phycispherae".
  • 🎰 The BRCs most frequently used for deposits in this group are: KCTC: 8; DSM: 7; JCM: 6; VKM: 3; NBRC: 2; CECT: 1.
  • 🧍 Nomenclatural type changed from Phycisphaerales Fukunaga et al. 2010 based on new Rule 22. Publication: Oren A. Emendation of Rules 8, 15, 22, 25a, 30(3)(b), 30(4), 34a, and Appendix 7 of the International Code of Nomenclature of Prokaryotes. Int J Syst Evol Microbiol 2023; 73:6070.
  • 🧍 This name was mentioned in a Request for an Opinion. Rule 8 of the 2022 revision of the ICNP does not require that the name of a class validly published before 1 January 2012 be formed from the stem of the name of the type genus of the type order of the class plus the ending ia. This class name is orthographically correct (nominative plural of a 1st declension feminine noun). Publication: Goker M. Solving the remaining problems with names of classes. Request for an Opinion. Int J Syst Evol Microbiol 2022; 72:5605.
  • 🧍 In the effective publication, the etymology is erroneously given as follows: N.L. fem. n. Phycisphaera, type genus (sic) of the class; -ae ending to denote a class N.L. fem. pl. n. Phycisphaerae, the Phycisphaera class. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.
  • 🧍 The type order Phycisphaerales has been provided at the time of request for valid publication of the name. Publication: Euzeby JP. Validation list no. 131. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2010; 60:1-2.

Subdivision:

Number of child taxa with a validly published and correct name: 3
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Phycisphaerales Fukunaga et al. 2010	validly published under the ICNP	correct name
    Sedimentisphaerales Spring et al. 2018	validly published under the ICNP	correct name
    Tepidisphaerales Kovaleva et al. 2015	validly published under the ICNP	correct name

Parent taxon: Planctomycetota Garrity and Holt 2021

Assigned by: Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056.

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Record number: 4779