1.4" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Clam This osteoderm specimen represents a

This osteoderm specimen represents a tangible artifact from a pivotal moment in megafauna history

paddle-like plate atop its skull that distinguished it from other hadrosaurs

or other intense Earth movements that crack and reassemble the stone over time

Unakite forms through the metamorphism of granite

allowing them to be easily fossilized

1.4" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Clam This osteoderm specimen represents aLocation: Osgood Shale, Napoleon, Indiana Weight: 8. 2 Ounces Dimensions: 3. 7 Inches Tall, 2. 1 Inches Wide, 1. 2 Inches Thick (Matrix) Crinoid Dimensions are: 1. 4 Inches Tall, 0. 7 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,