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sharp-clawed runner
Eustreptospondylus
Say it like this: “yoo-STREPT-o-spon-DY-luhs”
Eustreptospondylus oxoniensis
Eustreptospondylus ate meat and walked on two legs. It lived in the Middle Jurassic. Bones have been found in the United Kingdom.
- When
- Middle Jurassic (Callovian) · roughly 165.3 to 161.5 million years ago
- Named in
- 1964 · Walker, A. D.
- Hip height
- 1.7 m · 6 ft
- Length
- 7 m · 23 ft
- Weight
- 218–500 kg · 481–1,102 lb
- Found in
- the United Kingdom · Oxford Clay
- Food and walking
- Carnivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Megalosauridae
The story in short
In 1964, A. D. Walker published the name Eustreptospondylus.
Fossils referred to Eustreptospondylus date to the Middle Jurassic (Callovian), roughly 165.3 to 161.5 million years ago. Finds come from the United Kingdom, including the Oxford Clay Formation. It was a carnivore and walked on two legs.
Published estimates put Eustreptospondylus at a length near 7 m, hips about 1.7 m high, and a body mass around 218–500 kg.
On the family tree it sits in Megalosauridae, among the theropod dinosaurs.