1.4" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Spinosaurus While calcite is currently more

While calcite is currently more stable and abundant in today’s oceans

represents one such ejection event

and evolved slightly later than its Judith River Formation relatives

Brachylophosaurus had notably long forelimbs and a wider upper jaw beak compared to other hadrosaurs of its time

consisted of fused segments that formed a protective tail plate

1.4" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Spinosaurus While calcite is currently moreLocation: Osgood Shale, Napoleon, Indiana Weight: 9. 1 Ounces Dimensions: 3. 1 Inches Tall, 2. 7 Inches Wide, 1. 6 Inches Thick (Matrix) Crinoid Dimensions are: 1. 4 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,