Dinosauria›Saurischia›Sauropodomorpha›Brachiosauridae
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Sonorasaurus Sonorasaurus thompsoni Ratkevich 1998

/sˌɑːnɔːɹɐsˈɔːɹəs/ estimated
Late Cretaceous (Cenomanian) · 106.3–93.9 Mya

Key Statistics

Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Habitat
ground-dwelling
Social
herding

Where It Was Found

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

Overview

Sonorasaurus thompsoni is a sauropodomorph dinosaur known from the Late Cretaceous, roughly 106.3–93.9 million years ago. It was a herbivore. It is recorded as ground-dwelling and herding. Fossils have been recovered from Arizona, United States. It was named by Ratkevich 1998. 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 Sonorasaurus thompsoni sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Sonorasaurus
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

These species share Sonorasaurus thompsoni'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.

coexisted–with
Tenontosaurus
Tenontosaurus tilletti
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coexisted–with
Deinonychus
Deinonychus antirrhopus
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coexisted–with
Carcharodontosaurus
Carcharodontosaurus saharicus
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coexisted–with
Spinosaurus
Spinosaurus aegyptiacus
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coexisted–with
Sauropelta
Sauropelta edwardsorum
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same–clade
Rebbachisaurus
Rebbachisaurus garasbae
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same–clade
Nopcsaspondylus
Nopcsaspondylus alarconensis
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same–clade
Itapeuasaurus
Itapeuasaurus cajapioensis
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