Keywords: Arctocyon primaevus.JPG Skull of Arctocyon primaevus a Paleocene mammal took the foto on the Muséum national d'Histoire naturelle Paris 2007-01 Ghedo Cc-by-sa-2 5 blurry Collections of Galerie de paléontologie et d'anatomie comparée Arctocyon Condylarthra fossils Paleocene Vertebrata fossils |