Data: Below are 4 pictures of a shell I found on a Califorina Beach. Can you help Identify it?
I do beleive it is a fossit.

thank you,

Send Ideas to: Donna

Identified:

Discussions:

• Looks like Crassodama multirugosa (Gale, 1928). I have found them on California beaches.
  Vowels got a bit mixed-Crassadoma is the genus for the northern Pacific scallops that grow up into irregular, attached forms.--Dr. David C

• It sure looks like a well worn Purple Hinged Scallop valve to me.
  (Crassadoma gigantea (Gray, 1825) ...Dan Y.

• I agree with Dan... it's a purple-hinged rock scallop, Crassadoma gigantea ...Rick H

• Looks like an upper valve of a Hinnites. Whether it is fossil or just an old valve that has been buried in mud for a while, i can't say. ...Paul M.

• Looks like Crassodama multirugosa (Gale, 1928). I have found them on California beaches. ...
  Peggy W.