Fossil Hunter is a novel written by Canadian science fiction author Robert J. Sawyer. The sequel to Far-Seer, it is the second book of the Quintaglio Ascension Trilogy. The book depicts an Earth-like world on a moon which orbits a gas giant, inhabited by a species of highly evolved, sentient Tyrannosaurs called Quintaglios, among various other creatures from the late cretaceous period, imported to this moon by aliens 65 million years prior to the story.