Dinosauria›Reptilia
Allosaurus Allosaurus amplus (Marsh 1879)
/ˌæləˈsɔːrəs/
Late Jurassic (Tithonian) · 154.8–143.1 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Overview
Allosaurus amplus is a theropod dinosaur known from the Late Jurassic, roughly 154.8–143.1 million years ago. It was a carnivore. It was named by (Marsh 1879). The species is represented by 1 recorded occurrence in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~5%
fragmentary record
Confirmed
Inferred
Based on 1 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Allosaurus amplus sits in deep time
Allosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Allosaurus amplus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.