article: Middle Jurassic
links: Atlantic Ocean Liopleurodon Epoch (geology) Pangaea Plesiosaur Gondwana Tectonic Jurassic Mediterranean Paleo-Tethys Ocean Tritylodont Lower Jurassic Brachiosauridae Megalosaurus Ichthyosaur Laurasia Conifer Upper Jurassic North America Pliosaurus Cetiosaurus Rocky Mountains