Diadectes, reptile-like tetrapod Skull Pteranodon in the marine deposits of

in the marine deposits of the Edwardsville Formation

and branch are all original specimen material from which this cast was made

Allosaurus manus claw

and lobsters

a disused shale quarry noted for its astonishing fossil preservation

Diadectes, reptile-like tetrapod Skull Pteranodon in the marine deposits ofDiadectes was a genus of large, very reptile like tetrapods that lived during the Early Permian. It is one of the very first herbivorous tetrapods, and also one of the first fully terrestrial animals to attain large size. It was a heavily built animal, 1. 5 to 3 meters long, with a thick boned skull, heavy vertebrae and ribs, massive limb girdles and short, robust limbs. The nature of the limbs and vertebrae clearly indicate a terrestrial animal. Its