The changes ill the anatomy of the jaws that took place as mammal-like reptiles evolved into mammals were characterized by an increase in the size of the temporalis muscle and the dentary bone and a reduction in the size of the postdentary bones (i.
These bones, which retained the same basic relationships in mammals as they did in mammal-like reptiles, are the malleus, incus, and stapes.
By noting that the southern beech tree, certain mammal-like reptiles known as Dicynodonts and other Australian flora and fauna are found only on Gondwana continents, scientists have determined that these continents were once linked .
the scientists say the most significant discoveries among the 3 tons of rock trucked from the Canadian site to Columbia and Harvard are 12 skulls and jaws of mammal-like reptiles known as Tritheledonts.
One of the paleontologist's best weapons in the creation-versus-evolution debate is a family of mammal-like reptiles called Tritylodonts, which clearly show the movement from bones in the lower jaw of reptiles to the ears of mammals.