Crinoid: Actinocrinites gibsoni (PRI 78779)

Description

Fossil crinoid *Actinocrinites gibsoni* from the Carboniferous (Mississippian) Edwardsville Formation of Montgomery County, Indiana (PRI 78779). A feeding gastropod, *Platyceras* (*Orthonychia*) *equilaterum*, is associated with this specimen (PRI 78780). Specimen is from the research collection of the [Paleontological Research Institution](http://www.priweb.org), Ithaca, New York. Length of crinoid is approximately 10 cm. Model by Emily Hauf.