Roger Weller, geology instructor
wellerr@cochise.edu copyright 2011-R.Weller
Docinia-2
St. Marys Formation, Calvert Cliffs State Park, Maryland
This is how the shell was dug out, filled
with dirt and shells.
Width is 10 cm.
docinia
17
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Fossil and identification courtesy of Larry Hampton