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long-neck giant
Diamantinasaurus
Say it like this: “DEE-a-man-TEE-nuh-SOR-us”
Diamantinasaurus matildae
Diamantinasaurus ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in Australia.
- When
- Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago
- Named in
- 2009 · Hocknull, S. A.; White, M. A.; Tischler, T. R.; Cook, A. G.; Calleja, N. D.; Sloan, T.; Elliott, D. A.
- Hip height
- 3.1 m · 10 ft
- Length
- 16 m · 52 ft
- Weight
- 25 tonnes
- Found in
- Australia · Winton
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Diamantinasauria
The story in short
The genus Diamantinasaurus dates to 2009, the year S. A. Hocknull and colleagues described it. The name means “diamantina lizard.”
It lived in the Late Cretaceous (Cenomanian · Turonian), roughly 100.5 to 89.8 million years ago. Finds come from Australia, including the Winton Formation. It was a herbivore and walked on four legs.
Published estimates put Diamantinasaurus at a length near 16 m, hips about 3.1 m high, and a body mass around 25 tonnes.
On the family tree it sits in Diamantinasauria, among the sauropod dinosaurs.
Close relatives
Australotitan
Australotitan cooperensis
Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago
Sarmientosaurus
Sarmientosaurus musacchioi
Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago
Savannasaurus
Savannasaurus elliottorum
Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago