| This fossil crinoid double with the species Barycrinus asteriscus and Synbathocrinus swallovi  is from classical Crawfordsville site. It is a attractive association of two different Crinoid sepcies from Mississippian of Indiana. The Sea lilies crowns measure about 56 mm and 31 mm in length. | |||
| Location: | Crawfordsville, Indiana , USA | ||
| Size of Matrix: | about 137 x 61 mm | ||
| Age: | Lower Carboniferous , Mississippian, Osagean Stage, Edwardsville Formation (about 328 Ma) | ||