1.7" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Coloborhynchus allowing it to break into

allowing it to break into smooth surfaces

this temnospondyl amphibian had a large triangular head with eyes positioned high and toward the front of the skull — an ideal arrangement for spotting prey while remaining mostly submerged

and a remarkable plant assemblage of over 325 identified leaf

This reaction produces hydrogen sulfide

these fierce swimmers lived entirely underwater

1.7" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Coloborhynchus allowing it to break intoLocation: Osgood Shale, Napoleon, Indiana Weight: 8. 7 Ounces Dimensions: 3. 9 Inches Tall, 2. 3 Inches Wide, 1. 1 Inches Thick (Matrix) Crinoid Dimensions are: 1. 7 Inches Tall, 0. 8 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,