Pelecypod (Clam)
Fossils
Roger Weller, geology instructor
wellerr@cochise.edu copyright 2011-R.Weller
Arca scapharca-1
St. Marys Formation, Calvert Cliffs State Park, Maryland

arca
18
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Fossil and identification courtesy of Larry Hampton