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Taxon: Genus "Methanomonas" Orla-Jensen 1909 nom. nud. (prokaryote)
 Entity: 

Authorship

SN2000 author citation:  O. Jensen, 1909, nom. nud., nom. praeinit.
Original name, rank & spelling:  Jensen, O. 1909. Centralbl. Bakteriol. (Abt. 2) 22 (11/13): 311; 326, 334. ≡
Description/Diagnosis in English:  Breed, R.S., Murray, E.G.D. & Hitchens, A.P. 1948. Bergey's Man. Determ. Bacteriol. (ed. 6): 179 ("Orla-Jensen"). ≡
Subsequent publication:  Orla-Jensen, S. 1921. J. Bacteriol. 6 (3), May 1921: 270. [nom. nud.]. ≡

Attributes

Effectively, but not validly, published name (nom. inval.) [ICNP, 2019: Rule 25, App. 7 (IJSEM)] Ref: LPSN, 2020-present. LPSN: [11 May 2026].
Pre-starting-point name (nom. inval.[: praeinit.]) [ICNP, 2022: Rules 23a Note 3, 24a (<1980)] Ref: S.J. Brands (comp.), 1989-present. Syst. Nat. 2000: 11 May 2026.
Nomen nudum (nom. nud.) [ICNP, 2019: App. 7 (c), Chap. 4 B(4)] Ref: LPSN, 2020-present. LPSN: [11 May 2026] ("This taxon lacks a discernible description (protologue).").

Types

Type of: Methanomonadaceae (Family) Breed et al. 1957 nom. inval. Ref: LPSN, 2020-present: [11 May 2026].
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Last updated: 28 Aug 2026