Fossil Pea Crab (Pinnixia galliheri) - California Peridot occurs in silica-deficient rocks

Peridot occurs in silica-deficient rocks such as volcanic basalt

Morton County

This fossil comes from the famous Fort Union Formation

This genus was first described in 1907 and is closely related to herrings and sardines

most commonly yellow

Fossil Pea Crab (Pinnixia galliheri) - California Peridot occurs in silica-deficient rocksSize: 3. 1 x 2. 8 x 1. 0 in. Crab Size: 1. 2 in. Weight: 6. 2 oz Age: Middle Miocene Fossil Type & Species: Compression & Pinnixia galliheri Location: Monterey Formation, Carmel, California This cute little one is a great example of the fossils found in the Monterey Formation. Because they lived in a coastal environment, they are often found alongside other fossil fish, pine cones, and palm fronds. The natural orange coloring is due to iron oxide