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Taxon: Genus †Umkomasia H.H.Thomas (1931) (plant)
 Entity: 

Authorship

SN2000 author citation:  H.H. Thomas, 1931, gen. caelebs [inflorescences]
Original name without included species:  Thomas, H.H. 1931. Ann. Bot. (London) 45, Oct 1931: 663.
Original inclusion of species:  Thomas, H.H. 1933. Philos. Trans. Roy. Soc. Lond. (B) 222, 31 May 1933: 203 ("gen. nov."). ≡

Attributes

Name of a fossil-taxon [ICBN/ICN, 2012: Arts. 1.2, 11.1, 11.7 (part/life-history stage/preservational state)] Ref: E.R. Farr & G. Zijlstra (eds.), 1996-present. ING: 9 Feb 1996 ("Female inflorescence").
Validly published name, without included nominal species (gen. caelebs) [ICBN/ICN, 2012: Art. 38.12 Ex.20] Ref: S.J. Brands (comp.), 1989-present. Syst. Nat. 2000: 17 Apr 2023.

Types

Type of: †Umkomasiaceae (Family) Petriella (1981), nom. cons. prop. Ref: A.B. Doweld, 2001: XVI (footnote §§). [implicit]

Synonyms

Synonymous name: †Karibacarpon (Genus) Lacey (1976) Ref: PBDB: 29 Jan 2020.
Synonymous name: †Pilophorosperma (Genus) H.H.Thomas (1933) Ref: PBDB: 24 Mar 2020.
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Last updated: 21 Sep 2025