McGraths Flat is an Australian research site containing fossils and other evidence of animals and plants that existed in Miocene Australia. Located in central New South Wales, specimens at the site are in an exceptional state of preservation, described in paleontology as a Konservat-Lagerstätten, deposited in unusual conditions that record microscopic details of soft tissues and delicate structures. Fossil evidence of animals with soft bodies, unlike the bones of mammals and reptiles, is rare in Australia, and discoveries at McGraths' Flat have revealed unknown species of invertebrates such as insects and spiders.