Referred specimen
USNM 4734
Allosaurus fragilis
Open the Allosaurus fragilis profileFacts
- Catalog number
- USNM 4734
- Institution
- National Museum of Natural History, Smithsonian Institution (USNM)
- Year found
- 1883
- Found by
- Marshall P. Felch
- Locality
- Garden Park, near Cañon City, Colorado
- Formation
- Morrison Formation
What this specimen preserves
Referred specimen: USNM 4734
- Preserved
- Partial
- Reconstructed
- Unknown / not recorded
Region by region (table)
| Region | State |
|---|---|
| Skull | Preserved |
| Mandible | Preserved |
| Teeth | Unknown / not recorded |
| Cervical vertebrae | Preserved |
| Dorsal vertebrae | Preserved |
| Sacrum | Unknown / not recorded |
| Caudal vertebrae | Partial |
| Ribs | Unknown / not recorded |
| Gastralia | Unknown / not recorded |
| Scapula / shoulder girdle | Unknown / not recorded |
| Humerus | Preserved |
| Forearm (radius / ulna) | Unknown / not recorded |
| Hand (manus) | Preserved |
| Pelvis | Preserved |
| Femur | Preserved |
| Tibia / fibula | Unknown / not recorded |
| Foot (pes) | Preserved |
Excavation history
A nearly complete skeleton collected by Felch at Garden Park from 1883, the basis of Gilmore's 1920 osteology; proposed as neotype of A. fragilis.