Trionyx, Turtle, Hell Creek Formation, Montana Protoceratops naturally occurring polymorphs of calcium

naturally occurring polymorphs of calcium carbonate

Very few specimens of this animal have been obtained

was found in Boulder

and given the name Ornithocephalus Munsteri

erectus populations occupied these sites seasonally

Trionyx, Turtle, Hell Creek Formation, Montana Protoceratops naturally occurring polymorphs of calciumFrom the Hell Creek Formation, Cretaceous Age of Montana. TRIONYX is an extremely rarte soft shell turtle. Complete articulated specimen such as this one are EXTREMELY RARE. This specimen is from the Hell Creek Formation, Cretaceous Age of Montana. Trionyx is a soft shelled aquatic turtle which still lives today but dates back to the Jurassic age. Modern trionychid turtles are found today in North America, Africa and Asia. This specimen is a replica