(pronounced NOTH-oh-sawrs) Nothosaurs were fish-eating reptiles with four flipper-like limbs. They lived both on land and in the water during the Triassic period . These streamlined swimmers were not dinosaurs. Nothosaurs had webbed feet, and elongated bodies and necks. Nothosaurs (Order Nothosauria) includes the family Nothosauridae (Nothosaurus, ...