Dinosauria › Reptilia
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Alectrosaurus
Alectrosaurus olseni (Gilmore 1933)
Late Cretaceous (Campanian) · 83.6–72.2 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Overview
Alectrosaurus olseni is a theropod dinosaur known from the Late Cretaceous, roughly 83.6–72.2 million years ago. It was a carnivore. It was named by (Gilmore 1933). The species is represented by 2 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~8%
fragmentary record
Confirmed
Inferred
Based on 2 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Alectrosaurus sits in deep time
Alectrosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Alectrosaurus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.