Crinoid: Agaricocrinus americanus (PRI 70601)

Description

Fossil specimen of the crinoid *Agaricocrinus americanus* from the Mississippian Edwardsville Formation of Montgomery County, Indiana (PRI 70601). Also present is a small, parasitic gastropod called *Palaeocapulus equilateralis.* Specimen is from the collections of the [Paleontological Research Institution](http://www.priweb.org), Ithaca, New York. Length of crinoid is approximtely 10 cm. Model by Emily Hauf.