fossil bone dig

africa african ancient bone bones broken cainozoic cenozoic dead death dig digging excavating excavation extinction femur fossil fossils fragment fragmented fragments geology grave graves graveyard investigating investigation jawbone langebaan langebaanweg late mammal mass old palaeobiology palaeontology palaeozoology paleobiology paleontology paleozoology quaternary remains scapula scattered skeleton south stone stones study taphonomy teeth tertiary vertical