This image shows a portion of a mural depicting middle Eocene Wyoming approsimately 45 million years ago. The mural includes reconstructions of the primitive tapir Helaletes (lower left and center), the oxyaenid creodont Patriofelis (lower right), the brontothere Palaeosyops (upper middle), the adapid primate Notharctus (upper right), and the squirrel-like rodent Sciuravus (right of center).
Image Credit: J. Matternes for the National Museum of Natural History.