1.2" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Hastalis a theory supported by fossil

a theory supported by fossil discoveries that preserve partially digested Knightia within the body cavity of some specimens

size alone did not guarantee absolute dominance

Fossil Metasequoia provides a rare glimpse into prehistoric forests

They were air-breathing predators from the Ichthyosauria group

1.2" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Hastalis a theory supported by fossilLocation: Osgood Shale, Napoleon, Indiana Weight: 3. 7 Ounces Dimensions: 2. 3 Inches Tall, 2 Inches Wide, 0. 9 Inches Thick (Matrix) Crinoid Dimensions are: 1. 2 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,