Artist's reconstruction of Pierolapithecus catalaunicus, an ancient ape that may have been the last common ancestor of modern great apes. [Image AAAS/Science/Illustration by Todd Marshall]



Artist's reconstruction of Pierolapithecus catalaunicus, an ancient ape that may have been the last common ancestor of modern great apes. [Image courtesy of Meike Kohler]



Another possible reconstruction of Pierolapithecus catalaunicus. [Image courtesy of Meike Kohler]



Another possible reconstruction of Pierolapithecus catalaunicus. [Image courtesy of Meike Kohler]



Another possible reconstruction of Pierolapithecus catalaunicus. [Image courtesy of Meike Kohler]



Complete bones and large bone fragments of the P. catalunicus skeleton. [Image Science]



The face of Pierolapithecus catalaunicus. Panel D shows sections of the skulls of Pierolapithecus catalaunicus (green) and three other ancient hominoids. Pierolapithecus has a primitive, sloping profile, although other features of its skull are similar to those of modern great apes. [Image Science]



Ribs and vertebrae of P. catalunicus. [Image Science]



Comparisons of mid-lumbar vertebrae and portions of the third fingers. [Image Science]