Columbia subject headings:
Adapidae--Evolution.
Lemurs--Evolution.
Lorises--Evolution.
Harvard subject headings:
Adapidae--Evolution.
Lemurs--Evolution.
Lorises--Evolution.
Paleontology--Eocene
Paleontology--Europe
Primates--Evolution
Princeton subject headings:
Adapidae--Evolution.
Lemurs--Evolution.
Lorises--Evolution.