Order Oscillatoriales

Name: Oscillatoriales Cavalier-Smith 2002

Category: Order

Proposed as: ord. nov.

Etymology: Os.cil.la.to.ri.a’les. N.L. fem. n. Oscillatoria, type genus of the order; L. fem. pl. n. suff. -ales, ending to denote an order; N.L. fem. pl. n. Oscillatoriales, the Oscillatoria order

Pronunciation (Latin), gender: os-kil-la-to-ri-A-les, feminine

Type genus: Oscillatoria Vaucher ex Gomont 1892

Valid 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. 🇬🇧

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 52, part 1 of the IJSEM. Int J Syst Evol Microbiol 2002; 52:293-295.

Nomenclatural status: validly published under the ICNP, rejected name

Taxonomic status: synonym

Correct name: Oscillatoriales Schaffner 1922

Synonyms:

Name	Kind
Oscillatoriales Schaffner 1922	homotypic synonym, validly published under the ICN (Botanical Code)
"Oscillariaceae" Bennett and Murray 1889	heterotypic synonym, inaccurate spelling
Aerosakkonematales Lefler et al. 2024	heterotypic synonym, validly published under the ICN (Botanical Code)
"Oscillariales" corrig. Bennett and Murray 1889	heterotypic synonym, not validly published
Oscillatoriales Copeland 1936	homotypic synonym, validly published under the ICN (Botanical Code), illegitimate name

Notes:
- 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Oacillatoriales"; "Orcillatoriales"; "Osciflatoriales"; "Oscilfatoriales"; "Oscilillatoriales"; "Oscillaferiales"; "Oscillaforiales"; "Oscillaioriales"; "Oscillaloriales"; "Oscillaroriales"; "Oscillateriales"; "Oscillatertales"; "Oscillatonales"; "Oscillatorales"; "Oscillatortiales"; "Oscillutoriales"; "Oscinatoriales"; "Oscitlatoriales"; "Osecillatoriales"; "Oseiilatoriales"; "Osoillatariales"; "Osoillaturiales"; "Oszillatoriales".
- 🧍 Cyanobacteria validly published under the bacteriological code. Publication: Oren A, Arahal DR, Christensen H, Goker M, Manaia CM, Moore ERB. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2025 Revision). Int J Syst Evol Microbiol 2026; 76:6979. 🇮🇱
- 🧍 Rejected Name (Judicial Commission, Opinion 79 suppl.; IJSEM 64: 3599–3602). 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 type genus "Oscillatoria" does not appear on the Approved Lists of Bacterial Names, and has not been validly published since 1 January 1980. Consequently, Oscillatoriales Cavalier-Smith 2002 is illegitimate. Publication: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Parent taxon: Chroococcophyceae Hollerbach et al. 1953

Assigned by: LPSN automated production system. The following publication is only one of the sources consulted. It may or may not mention this taxon name. — Aleksovski B, Krstić S, Guiry MD. The names of phyla and classes of blue-green algae (cyanobacteria, cyanophytes) and a typified name: Cyanobacteriophyta Oren, Mareš et Rippka. Fottea 2025; 25:212-217. 🇮🇪

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Record number: 5006

This LPSN page was printed on 2026-09-12 23:56:07

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Order Oscillatoriales