| Estonioceras Temporal range: Ordovician | |
|---|---|
 | |
| Estonioceras, found in the uppermost layer in Stora stenbrottet at Mt. Kinnekulle, Sweden | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | †Tarphycerida |
| Family: | †Estonioceratidae |
| Genus: | †Estonioceras Noetling, 1883 |
| Species | |
|
Estonioceras imperfectum (Quenstedt, 1845) | |
Estonioceras, named after the country Estonia and Ancient Greek: κέρας, romanized: kéras, lit. '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