1.6" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Cedrelospermum This type of fish

This type of fish

First Appearance: ~521 million years ago

This mineral forms in the oxidised zones of copper ore deposits

ammonites ultimately vanished during the Cretaceous-Paleogene extinction event

Rebbachisaurus—meaning "Aït Rebbach lizard"—was a bold giant among sauropods from the Diplodocoidea family

1.6" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Cedrelospermum This type of fishLocation: 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,