5.seven.a dozen Tibia
New proximal head of the tibia is significantly longer similarly to aetosaurs; Parrish ( 1986 ) suggested that lengthened tibial head is good synapomorphy from the latest aetosaurs. Such aetosaur tibiae, new proximal body of your tibia for the Roentgen. callenderi is separated by a great ridge to your one or two equivalent size of a little concave medial and lateral condyles (Data 10l–o). The fresh proximal surfaces of your medial and horizontal condyles is actually concave, and you may a distinct lip is available where in fact the a couple condyles meet. New proximal lead of tibia try significantly offered mediolaterally cousin to the diameter of one’s shaft for the finest expansion medially (Profile 10n).