Dinosauria › Reptilia › Theropoda › Ornithomimidae
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Archaeornithomimus

Archaeornithomimus asiaticus (Gilmore 1933)

Late Cretaceous (Campanian) · 89.8–72.2 Mya
Key Statistics
Diet
herbivore, omnivore
Locomotion
bipedal
inferred from clade
Overview

Archaeornithomimus asiaticus is a theropod dinosaur known from the Late Cretaceous, roughly 89.8–72.2 million years ago. It was a herbivore, omnivore. It was named by (Gilmore 1933). The species is represented by 3 recorded occurrences in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~11%
fragmentary record
Confirmed
Inferred
Based on 3 recorded occurrences in the Paleobiology Database.
Geologic Time

Where Archaeornithomimus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Archaeornithomimus
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

These species share Archaeornithomimus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.

coexisted–with
Centrosaurus
Centrosaurus apertus
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coexisted–with
Stegoceras
Stegoceras validum
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coexisted–with
Protoceratops
Protoceratops andrewsi
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coexisted–with
Hypacrosaurus
Hypacrosaurus stebingeri
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coexisted–with
Corythosaurus
Corythosaurus casuarius
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same–clade
Hesperornis
Hesperornis regalis
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same–clade
Ichthyornis
Ichthyornis dispar
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same–clade
Xixiasaurus
Xixiasaurus henanensis
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