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Taxon: Class Actinomycetes Krassilnikov 1949 (Approved Lists 1980) (prokaryote)
 Entity: 

Authorship

SN2000 author citation:  N.A. Krassilnikov, 1949/1980, nom. approb.
Original name:  Krassilnikov, N.A. 1949. Opredelitelv Bakterii i Actinomicetov. Akademii Nauk SSSR, Moscow.

Attributes

Type order: not designated (nom. illeg.: sine typo) [ICNP, 2022: Rules 22, 27(3) ([sub]class; <2023)] Ref: J.P. Euzéby, 1997-present: [23 Oct 2005].
Approved name (Approved Lists: nom. approb.) [ICNP, 2019: Rules 24a, 33b] Ref: Approved Lists, 1980.
Orthographically correct name [ICNP, 2022: Rule 8 (class: not -ia; <2012)] Ref: LPSN, 2020-present. LPSN: [28 Nov 2025] ("orthographically correct (nominative plural of a 3rd declension masculine noun)").

Types

Type, by subsequent designation: Actinomycetales (Order) Buchanan 1917 (Approved Lists 1980) Ref: B.J. Tindall, 2014: 3600. [new]
Type genus, by inclusion within designated type: Actinomyces (Genus) Harz 1877 (Approved Lists 1980) Ref: LPSN, 2020-present: [28 Nov 2025].

Synonyms

Accepted name: Actinobacteria (Phylum) Garrity and Holt 2001 Ref: L. Margulis & K.V. Schwartz, 1998: 98.
Junior objective synonym: Actinobacteria (Class) Stackebrandt et al. 1997 nom. illeg. Ref: LPSN, 2020-present: [28 Nov 2025].
Synonymous name (objective): Actinobacteria (Class) Stackebrandt et al. 1997 nom. illeg. Ref: LPSN, 2020-present: [9 Dec 2025] ("homotypic").
Current name: Actinobacteria (Class) Stackebrandt et al. 1997 nom. illeg. Ref: P.M. Kirk et al. (eds.), 2008: 8, 9.
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Last updated: 28 Aug 2026