Spectacular Crawfordsville Crinoids Association Plaque

Description: A spectacular assemblage featuring three species of the best-preserved crinoids found in the world. Crawfordsville crinoids are world famous for their variety of species and perfection of preservation. They are meticulously prepared by world class preparators using air abrasion techniques. The largest specimen with the 115 mm long stem is a quite rare Platycrinites brevinodus. The crown is 45 mm. The specimen adjacent to it is a Macrocrinus mundulus which 57 mm long, and shows an intact anal tube. The third specimen is a 25 mm Sarocrinus granilineus. This is a fine example of the variety of diverse crinoids to be found in the Crawfordsville deposits.