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

Tympanuchus Tympanuchus stirtoni Miller 1944

/tˈɪmpɐnˌʌtʃəs/ estimated
Late Cretaceous (Burdigalian) · 18.5–16.3 Mya

Key Statistics

Diet
granivore
Locomotion
flight
Habitat
flying

Where It Was Found

Country
United States
Region
South Dakota
Formation
Batesland
Dig sites
1
distinct collections
Recorded finds in United States. Present-day positions: the continents have moved since.

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 is recorded as flying. Fossils have been recovered from South Dakota, United States. 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%
confidence from occurrence count
Based on 1 recorded occurrence in the Paleobiology Database.

Geologic Time

Where Tympanuchus stirtoni sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Tympanuchus
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

These species share Tympanuchus stirtoni'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.

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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