Sphenosuchus
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Sphenosuchus is an extinct genus of crocodylomorph from the Early Jurassic Elliot Formation of South Africa, discovered and described early in the 20th century. The skull is preserved very well but ot
Sideview of Sphenosuchus acutus skull as portrayed by the South African Museum
Facultative bipedalism
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A facultative biped is an animal that is capable of walking or running on two legs, as a response to exceptional or discretionary circumstances, while normally walking or running on four limbs or more
Sphenosuchus
…elements of the forelimb and isolated parts of the hind limb, the Sphenosuchus material is incomplete. It was probably quadrupedal, but may have been a facultative biped. Sphenosuchus was first thoroughly described in 1972 by the British palaeontologist Alick Walker, in a paper in the journal Nature. Walker suggested…
A capuchin monkey standing on two legs.
A chimpanzee standing on two legs.
The central bearded dragon (Pogona vitticeps), is capable of bipedalism.
A reconstruction of a Teratophoneus and Parasaurolophus running on two legs