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providing flexibility and enabling defensive behaviors
They might have stood on their hind legs to reach higher plants and could run bipedally to avoid predators
Paleontologists estimate that Megalodon’s bite force exceeded 18 tons
a breakthrough that provided protection
Accompanying these fish in the laminated limestone are remains of an entire aquatic ecosystem
1.2" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Cobalt providing flexibility and enabling defensiveLocation: Osgood Shale, Napoleon, Indiana Weight: 3. 7 Ounces Dimensions: 2. 3 Inches Tall, 2 Inches Wide, 0. 9 Inches Thick (Matrix) Crinoid Dimensions are: 1. 2 Inches Tall, 0. 7 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,