Trilobite Fossils
Cochise College 
Photos of Fossils
Virtual Geology Museum      Hall of Fossils

Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu   copyright 2008-R.Weller

 
Cryptolithus tesselatus-1
Martinsburg Formation-Devonian
Swatora Gap, Pennsylvania

also known as the lace-collar trilobite
average width:  1.2 cm
 

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