1.4" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Spinosaurus illustrating ancient ecosystems and highlighting

illustrating ancient ecosystems and highlighting the complex relationships between plants and their environment

represents one such ejection event

They were nonetheless capable of rearing onto their hind legs to access elevated vegetation and could sprint bipedally to evade predators

with feathered wings and skeletal remains that tell a story of evolution

1.4" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Spinosaurus illustrating ancient ecosystems and highlightingLocation: 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,