Dinosauria›Saurischia›Sauropodomorpha›Rebbachisauridae
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Amazonsaurus Amazonsaurus maranhensis Carvalho et al. 2003

/ˌæməzənˈsɔːrəs/
Early Cretaceous (Albian) · 119.6–106.3 Mya

Key Statistics

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

Where It Was Found

Country
Brazil
Region
Maranhão
Formation
Itapecuru
Dig sites
1
distinct collections
Recorded finds in Brazil. Present-day positions: the continents have moved since.

Overview

Amazonsaurus maranhensis is a sauropodomorph dinosaur known from the Early Cretaceous, roughly 119.6–106.3 million years ago. It was a herbivore. It is recorded as ground-dwelling and herding. Fossils have been recovered from Maranhão, Brazil. It was named by Carvalho et al. 2003. 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 Amazonsaurus maranhensis sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Amazonsaurus
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

These species share Amazonsaurus maranhensis'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
Psittacosaurus
Psittacosaurus mongoliensis
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coexisted–with
Atlascopcosaurus
Atlascopcosaurus loadsi
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coexisted–with
Erectopus
Erectopus superbus
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coexisted–with
Ouranosaurus
Ouranosaurus nigeriensis
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coexisted–with
Polacanthus
Polacanthus foxii
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same–clade
Ligabuesaurus
Ligabuesaurus leanzai
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same–clade
Astrophocaudia
Astrophocaudia slaughteri
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same–clade
Tambatitanis
Tambatitanis amicitiae
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