Pterosaur Bone With Crocodile Toothmarks Reveals Flying Reptiles Weren T Safe From Aquatic Attack

Pterosaur skeletons often show considerable fusion. In the skull, the sutures between elements disappeared. In some later pterosaurs, the backbone over the shoulders fused into a structure …

The largest pterosaur (Quetzalcoatlus, wonderfully named for the Aztec winged serpent god) had a wing span from eleven to twelve meters long (about forty feet). The wing's main support was an …

Pterosaur's hip sockets were oriented facing slightly upwards, and the head of the femur (thigh bone) was only moderately inward facing, suggesting that pterosaurs had a semi-erect stance. It …