- Length
- 1.8 m
- Diet
- Meat-eater
- When
- Late Jurassic155 to 145 million years ago
- Fossils found in
- USA
- Named by
- Marsh (1879)
- Family tree
- Dinosauria › Saurischia › Theropoda › Neotheropoda › Tetanurae › Avetheropoda › Coelurosauria
Small theropods. Small two-legged dinosaurs, many feathered, the group that includes birds. See all 60
Lived at the same time
- Barosaurus · same country
- Camptosaurus · same country
- Dryosaurus · same country
- Gargoyleosaurus · same country
- Haplocanthosaurus · same country
- Hesperosaurus · same country
- Marshosaurus · same country
- Othnielia · same country
Other small theropods
- Juravenator Late Jurassic
- Guanlong Late Jurassic
- Nqwebasaurus Mid Jurassic
- Ornitholestes Late Jurassic
- Archaeopteryx Late Jurassic
- Anchiornis Late Jurassic
- Compsognathus Late Jurassic
- Proceratosaurus Mid Jurassic
Source: Coelurus in the Natural History Museum Dino Directory, read 12 November 2026. Sizes are the museum's estimates for a typical adult. "Lived at the same time" lists dinosaurs whose dates overlap, which does not always mean they met.