1.6" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Drotops Fossil Importance: Provides insight into

Fossil Importance: Provides insight into Cambrian life

Brazilian amethyst ranges in color from soft lavender to deep

meaning “blood

they serve as important index fossils for dating marine rock layers

showing long

1.6" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Drotops Fossil Importance: Provides insight intoLocation: Osgood Shale, Napoleon, Indiana Weight: 2. 1 Ounces Dimensions: 2. 5 Inches Tall, 1. 2 Inches Wide, 0. 9 Inches Thick (Matrix) Crinoid Dimensions are: 1. 6 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,