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4 Million Years Ago
Large Bone Crushing Dog Skull with base
The Skhul skulls show much variation in the expression of modern traits
this distribution of Mesosaurus supports the understanding that these great continents were once joined together
Hunsruck Slate
Diplocaulus magnicornis Dimorphodon 4 Million Years AgoDiplocaulus was an aquatic amphibian that grew up to 3 feet in length. Unlike most of the other reptiles and amphibians of the time, Diplocaulus was completely adapted to a water environment. They had tiny legs of little use, a boomerang shaped head and a long slender body. They also possessed a long, powerful tail that propelled them through the water, while the broad, flat head may have acted to guide the animal. The location of the eyes and