We can divide the Jurassic Period into three key parts, known as epochs: the Early Jurassic, 201.4 million to 174.7 million years ago the Middle ... They were probably living right on the edge of the ...

During the Early Jurassic Period, the area was influenced by marine sedimentation from the ancient Tethys Ocean, transitioning to inland basins by the Middle Jurassic Period. "This new fossil ...