1.5" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Coral Reef These fossils are significant for

These fossils are significant for paleobotanists

Physical Characteristics:

and long-standing popularity as a gemstone

combined with excellent swimming ability and keen predatory instincts

1.5" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Coral Reef These fossils are significant forLocation: Osgood Shale, Napoleon, Indiana Weight: 2. 2 Ounces Dimensions: 2. 7 Inches Tall, 1. 6 Inches Wide, 0. 9 Inches Thick (Matrix) Crinoid Dimensions are: 1. 5 Inches Tall, 0. 9 Inches Wide The Item Pictured is the one you will receive. Holocystites Sp Silurian in age (420 million years old) Holocystites is an extinct genus of echinoderms belonging to the class Cystoidea and sub phylum Blastozoa. These organisms thrived during the Paleozoic Era,