Description
Genus/species: Onychocrinus exculptus
Age: Mississippian/Osagean (approximately 345 million years)
Formation: Edwardsville
Location: Crawfordsville, Montgomery County, Indiana, USA
Matrix Dimensions: 3.5″ long x 2.9″ wide x 1.1″ thick
Weight: .43 lbs
https://geoclassics.com/product-category/fossils/crinoids/
