Cochise College
Photos of
FossilsRoger Weller, geology instructor
wellerr@cochise.edu
copyright 2005-R.Weller
Trilobites
Cryptolithus tesselatus-3
Martinsburg Formation-Devonian
Swatora Gap, Pennsylvania
also known as the
lace-collar trilobite-mold of trilobite
average width: 1.2 cm

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