Dinosauria›Ornithischia›Ornithopoda›Dryosauridae
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Elrhazosaurus Elrhazosaurus nigeriensis (Galton and Taquet 1982)

/ˌɛlɹeɪzəsˈɔːɹəs/ estimated
Early Cretaceous (Aptian) · 121.4–113.2 Mya

Key Statistics

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

Where It Was Found

Country
Niger
Region
Agadez
Formation
Elrhaz
Dig sites
1
distinct collections
Recorded finds in Niger. Present-day positions: the continents have moved since.

Overview

Elrhazosaurus nigeriensis is an ornithopod dinosaur known from the Early Cretaceous, roughly 121.4–113.2 million years ago. It was a herbivore. It is recorded as ground-dwelling and herding. Fossils have been recovered from Agadez, Niger. It was named by (Galton and Taquet 1982). 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 Elrhazosaurus nigeriensis sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Elrhazosaurus
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

These species share Elrhazosaurus nigeriensis'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
Megalosaurus
Megalosaurus bucklandii
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coexisted–with
Malawisaurus
Malawisaurus dixeyi
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coexisted–with
Microraptor
Microraptor zhaoianus
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coexisted–with
Psittacosaurus
Psittacosaurus lujiatunensis
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coexisted–with
Cathayornis
Cathayornis yandica
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same–clade
Planicoxa
Planicoxa venenica
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same–clade
Siamodon
Siamodon nimngami
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same–clade
Ratchasimasaurus
Ratchasimasaurus suranareae
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