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sharp-clawed runner · Doubtful name
Calamospondylus
Say it like this: “kal-uh-mo-SPON-dih-lus”
Calamospondylus oweni
Calamospondylus ate meat and walked on two legs. It lived in the Early Cretaceous. Bones have been found in the United Kingdom.
- When
- Early Cretaceous (Barremian) · roughly 125.8 to 121.4 million years ago
- Named in
- 1866 · Fox, W.
- Hip height
- Not established
- Length
- Not established
- Weight
- Not established
- Found in
- the United Kingdom · Wessex
- Food and walking
- Carnivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Coelurosauria
The story in short
Calamospondylus was formally named in 1866 by W. Fox.
Fossils referred to Calamospondylus date to the Early Cretaceous (Barremian), roughly 125.8 to 121.4 million years ago. Finds come from the United Kingdom, including the Wessex Formation. It was a carnivore and walked on two legs.
The fossils of Calamospondylus are too incomplete for a responsible length, hip height, or weight, so those fields are left blank on purpose.
On the family tree it sits in Coelurosauria, among the theropod dinosaurs.
Close relatives
Aniksosaurus
Aniksosaurus darwini
Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago
Aratasaurus
Aratasaurus museunacionali
Early Cretaceous (Albian) · roughly 113.2 to 100.5 million years ago
Bicentenaria
Bicentenaria argentina
Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago