6 x 4.5 x 3.5 cm

Wilkes Formation

Toledo, Washington, USA

Oligocene/Miocene Epoch

38-23 million years ago

Coprolites are classified as trace fossils as opposed to body fossils, as they give evidence of animal behavior (diet in this case) rather than morphology.

Fossilized poop of unknown animal….thought to have been a turtle or large lizard.