Estonioceras
| 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: | † Noetling, 1883  | 
| Species | |
|   Estonioceras imperfectum (Quenstedt, 1845)  | |
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
 
