Formation: Edwardsville Formation
Location: Crawfordsville, Indiana
Size: Gastropod is 1.5 inches long
This is a great specimen of a Platyceras gastropod from the Edwardsville Formation of Indiana. This gastropod, in life, affixed itself to a living crinoid and fed off the excrement from the echinoderm. In doing so, it cleaned up the environment so the crinoid could keep living. The large fossil has great color and contrast and is well showcased on the small plate of matrix. This is a very nice gastropod specimen from the Mississippian.
A Certificate of Authenticity from EXTINCTIONS is included with this specimen.