Abrotocrinus coreyi
Phylum Echinodermata, Class Cladida, Family Staphylinocrinidae
Geological Time: Lower Mississippian Osagean Stage (345 m.y.a)
Size: Crown: 27 mm long by 18 mm wide, stem: 38 mm;on a 66 mm by 80 mm matrix
Fossil Site: Crawfordsville, Indiana
 Description:
A fine example of an Inadunate Cladid crinoid (Family Staphylinocrinidae)
known as Abrotocrinus coreyi from the famous Crawfordsville crinoid
beds showing an extensive section of attached stem. Preservation on
this specimen is remarkably complete, down to the fine pinnules on
the arms. This is fine example of the type, well positioned on its
siltstone matrix. |
