lipless jaw

These plates and spines were fused to the underlying bones

5 meters in length and weighing approximately 40 to 50 kilograms

using its claws to forage in the soil

suggesting that it spent most of its time on dry land

Melanorosaurus readi Scale:1:20 lipless jawMelanorosaurus readi was a basal sauropodomorph dinosaur from the Late Triassic , specifically the Norian stage (approximately 220210 million years ago) , that inhabited southern Gondwana , in what is now South Africa . It has traditionally been considered one of the largest and most robust prosauropods , and occupies a key position in the evolutionary transition between early bipedal sauropodomorphs and the large quadrupedal sauropods of the