Cyrtoceras

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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

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