Английская Википедия:Cyrtoceras

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Шаблон:Short description Шаблон:For Шаблон:Automatic taxobox

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

Шаблон:Reflist

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

Шаблон:Taxonbar


Шаблон:Paleo-Nautiloidea-stub