Columbia subject headings:
Anthropology, Prehistoric.
Fossil hominids.
Geology, Stratigraphic.
Human evolution.
Harvard subject headings:
Anthropology, Prehistoric.
Fossil hominids.
Geology, Stratigraphic.
Human evolution.
Paleoanthropology.
Princeton subject headings:
Anthropology, Prehistoric.
Fossil hominids.
Geology, Stratigraphic.
Human evolution.