Biology:Holcodiscidae

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Short description: Extinct family of ammonites

Holcodiscidae
Temporal range: Cretaceous
Holcodiscidae - Spitidiscus species.JPG
Spitidiscus species from Alpes-de-Haute-Provence
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Superfamily: Desmoceratoidea
Family: Holcodiscidae
Spath, 1923
Synonyms
  • Astieridiscidae
    Tzankov & Breskovski, 1982;
  • Metahoplidae
    Tzankov & Breskovski, 1982

Holcodiscidae is an ammonite family placed in the superfamily Desmoceratoidea.[1][2]

Description

Moderately involute with rounded, rectangular, or depressed whorl section; straight or sinuous, fine, dense ribs typically continuing over venter and may be periodically truncated by oblique, enlarged ribs, with or without umbilical, lateral and ventrolateral tubercles. Suture rather simple.[2][3]

Genera

Distribution

Fossils of species within this family have been found in the Cretaceous sediments in Argentina, Austria, Bulgaria, Chile, Colombia, the Czech Republic, Czechoslovakia, France, Hungary, Italy, Mexico, Morocco, Portugal, Romania, Slovakia, Spain and Russia.[1][2]

References

  1. 1.0 1.1 "Holcodiscidae". Paleobiology Database. https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=131208. Retrieved 30 December 2021. 
  2. 2.0 2.1 2.2 Wright, C. W. with J.H. Callomon and M.K. Howarth (1996), Mollusca 4 Revised, Cretaceous Ammonoidea, vol. 4, in Treatise on Invertebrate Paleontology, Part L (Roger L. Kaesler et al. eds.), Boulder, Colorado: The Geological Society of America & Lawrence, Kansas: University of Kansas Press, p. 48.
  3. Tzankov, V. & Breskovski, S. (1982), "Volume et contenu de la famille Holcodiscidae Spath, 1924," C.R. Acad. bulg. Sci., 35, 4, 491-93.

External links

Wikidata ☰ Q16745633 entry