Amargasaurus Amargasaurus cazaui Salgado and Bonaparte 1991
/əˌmɑːrɡəˈsɔːrəs/
Early Cretaceous (Barremian) · 125.8–121.4 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Habitat
ground-dwelling
Social
herding
Where It Was Found
Country
Argentina
Region
Neuquén
Formation
La Amarga
Dig sites
2
distinct collections
Overview
Amargasaurus cazaui is a sauropodomorph dinosaur known from the Early Cretaceous, roughly 125.8–121.4 million years ago. It was a herbivore. It is recorded as ground-dwelling and herding. Fossils have been recovered from Neuquén, Argentina. It was named by Salgado and Bonaparte 1991. The species is represented by 2 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~8%
confidence from occurrence count
Based on 2 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Amargasaurus cazaui sits in deep time
Amargasaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Amargasaurus cazaui'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.