Keywords: Phenacodus primaevus.JPG Skeleton of Phenacodus primaevus an early Eocene mammal took the foto on the Muséum national d'Histoire naturelle Paris 2007-01 Ghedo Cc-by-sa-2 5 Collections of Galerie de paléontologie et d'anatomie comparée blurry Phenacodus Condylarthra fossils Eocene fossils |