Orthoceras

CollectA Orthoceras Authentic Prehistoric Cephalopod Fossil Replica for Inspiring Curiosity and Learning

Orthoceras, meaning straight horn, was one of the largest cephalopodnautiloids with a long conical shell. They, too, were carnivore and lived inthe Middle Ordovician 470,458 Million years ago in the seas that are now theBaltic States and Sweden.