Dinosauria › Reptilia › Galliformes › Theropoda › Phasianidae
Silhouette of Tympanuchus

Tympanuchus

Tympanuchus stirtoni Miller 1944

Late Cretaceous (Burdigalian) · 18.5–16.3 Mya
Key Statistics
Diet
granivore
Locomotion
bipedal
inferred from clade
Overview

Tympanuchus stirtoni is a theropod dinosaur known from the Late Cretaceous, roughly 18.5–16.3 million years ago. It was a granivore. It was named by Miller 1944. 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 Tympanuchus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Tympanuchus
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

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

same–clade
Ortalis
Ortalis pollicaris
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same–clade
Boreortalis
Boreortalis laesslei
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same–clade
Miortyx
Miortyx teres
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same–clade
Cyrtonyx
Cyrtonyx cooki
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