Named By: Scott A. Hocknull1 & Melville Wilkinson, Rochelle A. Lawrence, Vladislav Konstantinov, Stuart Mackenzie, Robyn Mackenzie - 2021.
Classification: Chordata, Reptilia, Dinosauria, Sauropoda, Titanosauria, Diamantinasauria.
Species: A. cooperensis (type).
Size: Femur of holotype individual 2.146 meters long. Full size particularly body length uncertain due to lack of other known body parts.
Known locations: Australia, Queensland - Winton Formation.
Time period: Cenomanian/Turonian of the Cretaceous.
Fossil representation: Partial post cranial remains including partial hips, scapula and limb bones.
the time of its description, Australotitan is
thought to possibly
represent the largest dinosaur known from the Australian
However, Australotitan has only been described
from partial limb and
hip bones, and while the femur of Australotitan
suggests that this
dinosaur was comparable to other titanosaurian
dinosaurs such a
in terms of size, full body length
for Australotitan remains a big question with no
The first fossils of Australotitan were recovered from the Winton Formation, one of the most prominent fossil bearing locations in Australia. Another titanosaurian dinosaur named Diamantinasaurus from the same formation has been considered to be a close relative of Australotitan.
- A new giant sauropod, Australotitan cooperensis gen. et sp. nov., from the mid-Cretaceous of Australia. - PeerJ. 9: e11317. - Scott A. Hocknull1 & Melville Wilkinson, Rochelle A. Lawrence, Vladislav Konstantinov, Stuart Mackenzie, Robyn Mackenzie - 2021.
- Second specimen of the Late Cretaceous Australian sauropod dinosaur Diamantinasaurus matildae provides new anatomical information on the skull and neck of early titanosaurs. - Zoological Journal of the Linnean Society: zlaa173. - Stephen F Poropat, Martin Kundrát, Philip D Mannion, Paul Upchurch, Travis R Tischler, David A Elliott - 2021.