Description
Cretaceous Turtle
- Turtle – Claw
- Late Cretaceous Age
- Hell Creek Formation
- Powder River County, Montana
- This well preserved claw measures 1.04″ long
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Here, the Hell Creek Formation is an intensively studied division of mostly Upper Cretaceous and some lower Paleocene rocks in North America.
In this case it is named for exposures studied along Hell Creek, near Jordan, Montana.
Because the climate was mild, the presence of crocodilians suggests a subtropical climate, with no prolonged annual cold. Similarly other vertebrates include dinosaurs, pterosaurs, champsosaurs, lizards, snakes, turtles, frogs and salamanders.
Photo of Hell Creek Formation By Anky-man, CC BY-SA 3.0
