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sharp-clawed runner
Piatnitzkysaurus
Say it like this: “pee-uht-NITS-kee-SOR-uhs”
Piatnitzkysaurus floresi
Piatnitzkysaurus ate meat and walked on two legs. It lived in the Early Jurassic · Middle Jurassic. Bones have been found in Argentina.
- When
- Early Jurassic · Middle Jurassic (Toarcian · Aalenian) · roughly 184.2 to 170.9 million years ago
- Named in
- 1979 · Bonaparte, J. F.
- Hip height
- 1 m · 3 ft
- Length
- 4–4.3 m · 13–14 ft
- Weight
- 450 kg · 992 lb
- Found in
- Argentina · Cañadón Asfalto
- Food and walking
- Carnivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Piatnitzkysauridae
The story in short
In 1979, J. F. Bonaparte published the name Piatnitzkysaurus. The name honors a person tied to the fossil or its study.
Fossils referred to Piatnitzkysaurus date to the Early Jurassic · Middle Jurassic (Toarcian · Aalenian), roughly 184.2 to 170.9 million years ago. Finds come from Argentina, including the Cañadón Asfalto Formation. It was a carnivore and walked on two legs.
Published estimates put Piatnitzkysaurus at a length near 4–4.3 m, hips about 1 m high, and a body mass around 450 kg.
On the family tree it sits in Piatnitzkysauridae, among the theropod dinosaurs.