Dinosauria›Saurischia
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Antarctosaurus Antarctosaurus wichmannianus Huene 1927
/ænˌtɑːrktoʊˈsɔːrəs/
Late Cretaceous (Maastrichtian) · 83.6–66 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Habitat
ground-dwelling
Social
herding
Where It Was Found
Countries
Argentina, Uruguay
Regions
Río Negro · Soriano
Formations
Anacleto · Asencio
Dig sites
2
distinct collections
Overview
Antarctosaurus wichmannianus is a sauropodomorph dinosaur known from the Late Cretaceous, roughly 83.6–66.0 million years ago. It was a herbivore. It is recorded as ground-dwelling and herding. Fossils have been recovered from Río Negro, Argentina and elsewhere. It was named by Huene 1927. 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 Antarctosaurus wichmannianus sits in deep time
Antarctosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Antarctosaurus wichmannianus'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.