Macrocrinus mundulus
Small slab of limestone with three individual specimens preserved. One calyx is still attached to the stem and one has part of the stem still attached. Excellent detail under magnification. From the famous Crawfordsville Quarries in Indiana.
Carboniferous, Mississippian, Keokuk Limestone
Crawfordsville, Indiana, USA
matrix 6.5 x 6cm
Largest crinoid 3.5 cm long
