Ichthyosaurs

"While dinosaurs ruled the land, the ichthyosaurs, classified variously in the Ichthyosauria or in the Ichthyopterygia, shared the seas of the world with the other great groups of large marine reptiles, the plesiosaurs and mosasaurs."

Introduction to the Ichthyosauria

Eureptilia: Ichthyosauria

Ichthyosaurs