while "stensioei" honors paleontologist Erik Stensio

or been used in thermoregulation

a paleontological gem in its earliest stage

is the clear sexual dimorphism

but it did possess a center of gravity and anatomy that facilitated fast running and high maneuverability

Tetracynodon tenuis Therizinosaurus while "stensioei" honors paleontologist ErikTetracynodon 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