Sea Urchin Fossils
Cochise College 
Photos of Fossils
Geology Home Page

Roger Weller, geology instructor   copyright 2011-R.Weller

Archaeocidaris aculeata-2

fossil sea urchin spines

Kaibab Formation-Permian
Tom's Creek road, Coconino National Forest, Arizona
largest:  2.8 cm


sea urchin                                                                                                                                                       douglascamp57  

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