Orthoceras
Description
Orthoceras, meaning straight horn, was one of the largest cephalopod nautiloids with a long conical shell. They, too, were carnivore and lived in the Middle Ordovician 470,458 Million years ago in the seas that are now the Baltic States and Sweden.
- Diet: Carnivorous
- Period: Ordovician
- Size: 7.7cm x 13cm
