Dinosauria›Reptilia
Allosaurus Allosaurus jimmadseni Chure et al. 2006
/ˌæləˈsɔːrəs/
Late Jurassic · 157.9–143.1 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Habitat
ground-dwelling
Social
solitary
Where It Was Found
Country
United States
Regions
Wyoming · Colorado · Utah
Formation
Morrison
Dig sites
7
distinct collections
Overview
Allosaurus jimmadseni is a theropod dinosaur known from the Late Jurassic, roughly 157.9–143.1 million years ago. It was a carnivore. It is recorded as ground-dwelling and solitary. Fossils have been recovered from Wyoming, United States. It was named by Chure et al. 2006. The species is represented by 7 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~24%
confidence from occurrence count
Based on 7 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Allosaurus jimmadseni sits in deep time
Allosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Allosaurus jimmadseni's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology. Predator–prey pairs additionally have to have been dug up in the same place.