Rank Genus | ||
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Similar Nautiloid, Oncocerida, Gomphoceras, Tarphycerida, Endoceras | ||
Cyrtoceras elegans is a synonym for Hoya celebica, a plant species
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
Cyrtoceras Wikipedia(Text) CC BY-SA