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sharp-clawed runner
Tralkasaurus
Say it like this: “TRAL-kuh-SOR-us”
Tralkasaurus cuyi
Tralkasaurus ate meat and walked on two legs. It lived in the Late Cretaceous. Bones have been found in Argentina.
- When
- Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago
- Named in
- 2020 · Cerroni, M. A.; Motta, M. J.; Agnolín, F. L.; Aranciaga Rolando, A. M.; Brissón Egli, F.; Novas, F. E.
- Hip height
- 1.1 m · 4 ft
- Length
- 4 m · 13 ft
- Weight
- 300 kg · 661 lb
- Found in
- Argentina · Huincul
- Food and walking
- Carnivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Abelisauridae
The story in short
The genus Tralkasaurus dates to 2020, the year M. A. Cerroni and colleagues described it.
Fossils referred to Tralkasaurus date to the Late Cretaceous (Cenomanian · Turonian), roughly 100.5 to 89.8 million years ago. Finds come from Argentina, including the Huincul Formation. It was a carnivore and walked on two legs.
Published estimates put Tralkasaurus at a length near 4 m, hips about 1.1 m high, and a body mass around 300 kg.
On the family tree it sits in Abelisauridae, among the theropod dinosaurs.
Close relatives
Abelisaurus
Abelisaurus comahuensis
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Chenanisaurus
Chenanisaurus barbaricus
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
Dryptosauroides
Dryptosauroides grandis
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago