Eric Walker added New-found oldest primate ancestor watched the dinosaurs die to a number of topics

Eric Walker added Scientists describe earliest primate fossils | UW News to Purgatorius

Eric Walker added Purgatorius - Wikipedia to Purgatorius

Eric Walker added a number of links to Purgatorius, and added Purgatorius to Plesiadapiformes

Eric Walker added Purgatorius and Plesiadapiformes - Wikipedia to Plesiadapiformes, and added Plesiadapiformes to Primates