a paleontological gem in its earliest stage

Approximate measurements of the Yutyrannus: Scale 1:35 Assembly kit

is the clear sexual dimorphism

or been used in thermoregulation

in a subtropical climate

Tetracynodon tenuis Therizinosaurus a paleontological gem in itsTetracynodon tenuis was a small therapsid of the cynodont group that lived during the Late Permian Period and possibly briefly survived the mass extinction event that marked the boundary with the Triassic , approximately 252 million years ago. Its fossils have been found in South Africa, a region that has provided much evidence of the transition from mammal like reptiles to the first mammals. Tetracynodon represents one of the earliest cynodonts and