This Specimen has been sold.
Four Fossil Pea Crabs (Pinnixa) From California - Miocene
This is cluster of four of 8 million year old fossil "pea crabs", Pinnixa galliheri from the Monterey Formation of California. They show fine detail with carapace, legs and claws preserved in an orange coloration against the light colored shale. The red coloration is due to iron oxide.