1.4" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Rutiodon Fossils from these layers rival

Fossils from these layers rival those from Solnhofen in Germany and often share the characteristic of being the same color as the limestone matrix

they created the perfect conditions for silicification

mosasaurs vanished during the mass extinction at the end of the Cretaceous—own a piece of this incredible prehistoric legacy today

Plesioteuthis prisca is an extinct genus of cephalopod that lived during the Jurassic period

1.4" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Rutiodon Fossils from these layers rivalLocation: Osgood Shale, Napoleon, Indiana Weight: 4. 7 Ounces Dimensions: 4. 5 Inches Tall, 1. 9 Inches Wide, 1. 1 Inches Thick (Matrix) Crinoid Dimensions are: 1. 4 Inches Tall, 1. 1 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,