Name: "Actinobacteria" (ex Margulis 1974) Cavalier-Smith 2020

Category: Phylum

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

Gender: neuter

Type order: Actinomycetales Buchanan 1917 (Approved Lists 1980)

Original publication: Cavalier-Smith T, Chao EE. Multidomain ribosomal protein trees and the planctobacterial origin of neomura (eukaryotes, archaebacteria). Protoplasma 2020; 257:621-753.

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Actinomycetota Goodfellow 2021

• Synonyms:

  • Name	Kind
    "Actinobacteria" Goodfellow 2012	homotypic synonym, not validly published
    "Actinobacteriota" Whitman et al. 2018	homotypic synonym, not validly published
    Actinomycetota Goodfellow 2021	homotypic synonym, validly published under the ICNP
    "Actinobacteraeota" Oren et al. 2015	homotypic synonym, not validly published

• Notes:
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Acentobacteria"; "Acfinobacteria"; "Acinobacteria"; "Acitinobacteria"; "Acitnobacteria"; "Aclinobacteria"; "Acnitobacteria"; "Acnnobacteria"; "Acrimbacteria"; "Actbacteria"; "Actenobacteria"; "Actiizobacteria"; "Actinbacteria"; "Actinibacteria"; "Actinobacteiia"; "Actinobacterla"; "Actinobacteru"; "Actinobacteu"; "Actinobactew"; "Actinobactrria"; "Actinobacttria"; "Actinobacyteria"; "Actinobateria"; "Actinohacteria"; "Actinombacteria"; "Actinomicrobia"; "Actionbacteria"; "Actionobacteria"; "Actnobacteria"; "Actonobacteria"; "Adinobacteria"; "Antinobacteria".
  • ✏ The authority of the taxon name (Cavalier Smith) deliberately differs from the authors of the publication (Cavalier Smith and Chao).
  • 🧍 Cavalier-Smith and Chao (2020) actually proposed the genus name Actinomyces as nomenclatural type of the phylum. While the nomenclature of phyla was not formally regulated by the ICNP at that time, only classes and orders were used in practice as nomenclatural types of phyla. LPSN has thus changed the nomenclatural type to Actinomycetales, which is the logical choice. Publication: Harz CO. Actinomyces bovis, ein neuer Schimmel in den Geweben des Rindes. Deutsche Zeitschrift für Thiermedizin 1877; 5:125-140.
  • 🧍 The formation of this name was discussed in Judicial Opinion 129. Publication: Arahal et al. Judicial Opinion No. 129. Int J Syst Evol Microbiol 2024; 74:6064.

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Record number: 42981