Tyrannosaurus Rex Femur

Tyrannosaurus Rex Femur

Tyrannosaurus rex

Late Cretaceous (approx. 67 million years ago)

Hell Creek Formation, Butte Co., South Dakota

46½ x 16 x 8½ inches (118.1 x 40.6 x 21.6 cm), 48 inches (121.9 cm) tall on custom 360° rotating metal stand.

The well-preserved and nearly complete thigh bone (left femur) of a large adult Tyrannosaurus rex, with well-developed muscle scars and surface details. The natural coloration of the fossilized bone is a mottled dark brown, consistent with fossils originating from the Hell Creek Formation, and shows natural weathering on both ends.

The above is an abridged condition report. For a full condition report, please contact science@sothebys.com.