Asterodermus platypterus, stingray Deinonychus This class includes crabs

This class includes crabs

They need to touch things in order to learn

Carcharodontosaurus lived the coastal plains of North Africa and western Morocco during the late Jurassic to early Cretaceous 100-95 million years ago

resulting in a different crystal shape

Bring inside during freezing temperatures

Asterodermus platypterus, stingray Deinonychus This class includes crabsAsterodermus platypterus was a ray species that lived during the Jurassic period (200 145 million years ago). This ray shared the seas with Ichthyosarus and Plesiosaurs. Fossils of Asterodermus have been found in Britain, France, and Germany. Asterodermus is classified in the family Rhinobatidae. Living members of this family are often called guitarfishes. The original of this specimen was found in the Jurassic beds of the Solenhofen Limestone,