2013f-625 560 africa alaska amphibians analysis anatomy anthropology archaeology argentina atlanticocean australopithecines biodiversity biology bluebabe(steppebison) coevolution congresses dinosaurs dna earthsciences east evolution evolution(biology) evolutionarypaleobiology fairbanksregion fossil fossilhominids fossilmollusks fossils general geographicaldistribution geography geology gn283 history hominidae humananatomy lifesciences marinebiology mollusks mollusquesfossiles morphology paleodontology paleoecology paleontologicalexcavations paleontology paleopathology paläobiologie paléobiologie polymerasechainreaction qu58a541 saurischia sauropods science science(general) southamerica southern steppebison stratigraphic stratigraphicgeology vertebrates zoology