History of Discovery
In 1903, geologist William Hamilton Ferguson was mapping the rocky coastal outcrops a few kilometres west of Inverloch and uncovered the first dinosaur fossil ever discovered in Australia.
75 years later, the exploration and excavation of the Dinosaur Cove site was conducted by teams of volunteers overseen by Thomas H. Rich and Patricia Rich. The dinosaur taxa, Leaellynasaura amicagraphica and Timimus hermani, are named for the children of the Riches', Tim and Leaellyn. Heavy mining equipment and dynamite was used to blast away overlying strata to uncover the fossiliferous rock layers in the cliff face.
In the 1980s and 90s Dinosaur Cove yielded hypsilophodontid-like dinosaurs as Leaellynasaura amicagraphica and Atlascopcosaurus loadsi, and a Coelurosaur, as well as fragments of what may be a caenagnathid (relatives of the Oviraptors). One fossil from this diverse taxa, collectively called the "polar dinosaurs of Australia", has been interpreted as showing possible adaptations to vision in low light conditions and possibly were warm-blooded; this has been suggested as an explanation for how some of these dinosaurs foraged for food during the polar winter months. It is worth noting that although these dinosaurs lived at polar latitudes, the Cretaceous climate was significantly milder than today, so temperatures within the Antarctic and Arctic Circles were vastly different to the climate at these latitudes today, because the lopsided arrangements of the continents made sea currents and monsoon winds blow across the polar areas and not round and round them, and so stopped cold pools from developing around the poles.
An astragalus bone of an ancient relative of Allosaurus was discovered at the site, making it the first discovery in the southern hemisphere.
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