-40%
Crionoid Stem Segment Fossil #00108
$ 7.91
- Description
- Size Guide
Description
Crinoid Stem Segment Fossil #00108.- Mississippian Period
- 375 to 320 million years ago.
- Self-collected Specimens
During most of this time Pennsylvania was covered by warm, shallow seas that provided the perfect conditions for crinoid growth colonization.