Estonioceras

Estonioceras, from Estonia and Ancient Greek κέρας (kéras), meaning "horn", is an extinct genus of tarphyceridan nautiloids from the Ordovician of Europe.

Sources

• Dinosaur Encyclopedia by Jayne Parsons
• Fossils (Smithsonian Handbooks) by David Ward

External links

• Estonioceras in the Paleobiology Database