Diagram of Oligocene Mammals including, Titanothere, Entelodont, Hyracodon, Uintathere, Hyaenodon. Shown in the diagram a six foot man drawn to the same scale as other figures. From the book Outline of History by Wells, published 1920.


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Photo credit: © Classic Image / Alamy / Afripics
License: Licensed
Model Released: No

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