Dinosauria›Ornithischia›Silesauridae
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Eucoelophysis Eucoelophysis baldwini Sullivan and Lucas 1999

/juːkˈoʊləfəsˌɪs/ estimated
Late Triassic (Norian) · 227.3–205.7 Mya

Key Statistics

Diet
herbivore
Locomotion
Unknown
Habitat
ground-dwelling
Social
herding

Where It Was Found

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

Overview

Eucoelophysis baldwini is a dinosaur known from the Late Triassic, roughly 227.3–205.7 million years ago. It was a herbivore. It is recorded as ground-dwelling and herding. Fossils have been recovered from New Mexico, United States. It was named by Sullivan and Lucas 1999. 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 Eucoelophysis baldwini sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Eucoelophysis
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

These species share Eucoelophysis baldwini'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.

predator–prey
Camposaurus
Camposaurus arizonensis
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predator–prey
Gojirasaurus
Gojirasaurus quayi
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coexisted–with
Plateosaurus
Plateosaurus gracilis
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coexisted–with
Efraasia
Efraasia minor
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coexisted–with
Plateosaurus
Plateosaurus engelhardti
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coexisted–with
Plateosaurus
Plateosaurus trossingensis
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coexisted–with
Macrocollum
Macrocollum itaquii
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same–clade
Tawa
Tawa hallae
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