Carcinosoma newlini Arthropod Fossil

This large Silurian fossil is of a Carcinosoma newlini eurypterid. Fossil was found in the Kokomo Limestone of Indiana and is housed at the Indiana State Museum (Indianapolis). Creature swam the seas that covered the state in the Late Silurian Period.

Note: there is a shadow across the fossil causing one side to be darker than the other.

Learn more about this type creature on Wikipedia.

Learn more about the Indiana State Museum at their web site.