Here is a wonderfull crinoid fossil of the species Macrocrinus mundulus from the classical site of Crawfordsville in Indiana. The crinoid shows a inflated and detailed preservation . Also the anal tube is well preserved. Measured around the curve is this crinoid approximately 76 mm long.
|Crawfordsville, Indiana , USA|
|Size Plate:|| about 79 x 44 mm|
|Age:||Permian, Mississippian, Edwardsville Formation|