Calamospondylus
- Other Names: Aristosuchus
- Pronunciation: KAL-oh-moh-SPON-dil-us
- Translation: Reed Vertebra
- Order: Saurischia
- Suborder: Theropoda
- Infraorder: Coelurosauria (not confirmed)
- Family: Coeluridae
- Height: 3 feet (.9 meters)
- Length: 6.6 feet (2 meters)
- Period: Early Cretaceous
- Description: Carnivore, Bipedal
- Notes: A small meat-eater of uncertain identity; originally knownas Aristosuchus. Found on the Isle of Wight, this dinosaur isdistinguished by small toes but relatively large claws on its hands.Its most unusual feature is its pubic bone, the "foot" of whichis considerably larger than that of most other carnivores, suggestingthat Calamospondylus had a large belly.