Brachiopod FossilsRoger Weller, geology instructor
wellerr@cochise.edu copyright
2008-R.Weller
Megastrophia concava-1
Silica Formation-Devonian
Medusa Portland Cement quarry, Silica, Ohio
width: 6.0 cm

Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.