Sea Cucumber Fossils
Cochise College 
Photos of Fossils
Geology Home Page

Roger Weller, geology instructor     copyright 2011-R.Weller

Archistrum welleri:  1
siderite concretion from Francis Creek Shale-Pennsylvanian
Pit 11, Mazon Creek, Kankakee County, Illinois
length of nodule:  7 cm

sea cucumber                                                                                                                                                                      63

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