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Cyrtoceras

From Wikipedia, the free encyclopedia

For the plant species also known as Cyrtoceras elegans, see Hoya celebica.

Cyrtoceras
Temporal range: Middle Ordovician–Middle Devonian[1] [dead link]
Digital life restoration of "Cyrtoceras sp"
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Nautiloidea
Order: †Oncocerida
Genus: †Cyrtoceras
Conrad, 1838
Type species
†Cyrtoceras minneapolis
Whiteaves, 1890
Species[2]
  • †Cyrtoceras manitobense Whiteaves, 1890
  • †Cyrtoceras minneapolis Clarke, 1897

Cyrtoceras is an extinct genus of oncoceridan nautiloids that lived from the middle Ordovician to the middle Devonian, in Africa, Europe, North America and South America.

References

  1. ^ Teiichi KOBAYASHI (1987). "The Ancestry of the Cephalopoda: From Helcionella to Plectronoceras". Proceedings of the Japan Academy, Series B: Physical and Biological Sciences. 63 (5): 135–138. Bibcode:1987PJAB...63..135K. doi:10.2183/pjab.63.135.
  2. ^ "Cyrtoceras". Global Biodiversity Information Facility. Retrieved 6 November 2021.

Sources

  • Fossils (Smithsonian Handbooks) by David Ward
  • Fossils (A Golden Guide from St. Martin's Press) by Frank H. T. Rhodes, Paul R. Shaffer, Herbert S. Zim, and Raymond Perlman
  • Aquagenesis: The Origin and Evolution of Life in the Sea by Richard Ellis

External links


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This page was last edited on 16 March 2024, at 21:36
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