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sharp-clawed runner
Martharaptor
Say it like this: “mar-thuh-RAP-tuhr”
Martharaptor greenriverensis
Martharaptor ate plants and walked on two legs. It lived in the Early Cretaceous. Bones have been found in the United States.
- When
- Early Cretaceous (Barremian) · roughly 125.8 to 121.4 million years ago
- Named in
- 2012 · Senter, P.; Kirkland, J. I.; DeBlieux, D. D.
- Hip height
- 0.9 m · 3 ft
- Length
- 2.9 m · 10 ft
- Weight
- 100 kg · 220 lb
- Found in
- the United States · Cedar Mountain
- Food and walking
- Herbivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Therizinosauria
The story in short
The genus Martharaptor dates to 2012, the year P. Senter and colleagues described it. The name honors a person tied to the fossil or its study.
It lived in the Early Cretaceous (Barremian), roughly 125.8 to 121.4 million years ago. Finds come from the United States, including the Cedar Mountain Formation. It was a herbivore and walked on two legs.
Published estimates put Martharaptor at a length near 2.9 m, hips about 0.9 m high, and a body mass around 100 kg.
On the family tree it sits in Therizinosauria, among the theropod dinosaurs.
Close relatives
Falcarius
Falcarius utahensis
Early Cretaceous (Barremian) · roughly 125.8 to 121.4 million years ago
Jianchangosaurus
Jianchangosaurus yixianensis
Early Cretaceous (Barremian) · roughly 125.8 to 121.4 million years ago
Kayrasaurus
Kayrasaurus changliensis
Early Cretaceous (Barremian) · roughly 125.8 to 121.4 million years ago