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Monotypic taxon: Subclass "Nostocophycideae" Hoffmann, Komárek & Kaštovský (2005), nom. inval., orth. inval. (prokaryote)
 Entity: 

Authorship

SN2000 author citation:  L. Hoffmann et al., 2005, nom. bot. nov., nom. prov., orth. imperf.
Original name, rank & spelling:  Hoffmann, L., Komárek, J. & Kaštovský, J. 2005. Algological Studies 117 (Cyanobacterial Research 6): tbl. 3 (p. 111: "subcl. ...").

Attributes

Botanical name, by original use (: nom. bot. nov.) Ref: S.J. Brands (comp.), 1989-present. Syst. Nat. 2000: 20 Feb 2026 ("-phycidae").
Incorrect termination of typified name (orth. inval.: orth. imperf.) [ICBN/ICN, 2012: Art. 16.3 (phylum-subclass)] Ref: S.J. Brands (comp.), 1989-present. Syst. Nat. 2000: 20 Feb 2026 ("-phycidae").
Provisional name (nom. inval.: nom. provis.) [ICBN/ICN, 2012: Art. 36.1(b)] Ref: L. Hoffmann et al. 2005. Algological Studies 117 (Cyanobacterial Research 6): 109 ("nom. prov."). [new] [implicit]

Types

Type, by inference: Nostoc (Genus) Vaucher ex Bornet & Flahault (1886) Ref: L. Hoffmann et al., 2005: tbl. 3 (p. 111). [new] [implicit]

Variants

Different rank: Nostocophyceae (Class)
Correct spelling: Nostocophycidae (Subclass) Hoffmann, Komárek & Kaštovský (2005), nom. inval. Ref: L. Hoffmann et al., 2005: 109; 21 Feb 2026. [inferred]

Synonyms

Synonymous name: Hormogoneae (Class) Cavalier-Smith 2002 nom. illeg., nom. rej.
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Last updated: 28 Aug 2026