what are some similarities between fossils of mammals and mammals we see today
All mammals, living or fossil, have a single bone, the dentary, on each side of the lower jaw, and all mammals, living or fossil, have three auditory ossicles or ear bones, the malleus, incus, and stapes.In some fossil reptiles the number and size of the bones of the lower jaw are reduced compared to living reptiles.ll mammals, living or fossil, have a single bone, the dentary, on each side of the lower jaw, and all mammals, living or fossil, have three auditory ossicles or ear bones, the malleus, incus, and stapes.