Description
Orthoceras Pendant
Size: 2.5″
Orthoceres was one of the first members of the class Cephalopoda to appear in the fossil record. Cephalopods are fast moving predatory marine invertebrates. Living members of this group include squid, octopi and nautiloids. Orthoceres occupied an elongated straight cone shaped shell. This extinct group of ‘uncurled’ cephalopods first appeared during the Ordovician Period. A group of these evolved into a semi-