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© 2026 Dinosauria Tree. Educational resource, not a formal taxonomic authority.

Classification and estimates may change as evidence develops.

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genus · 1 represented species

Argentinosaurus

Argentinosaurus is a dinosaur genus represented here by Argentinosaurus huinculensis.

Explore this branch Parent: Titanosauria

1Direct child groups

1Countries represented

97–93.5 MaDataset range

Definition

Evolutionary importance

Argentinosaurus is a dinosaur genus represented here by Argentinosaurus huinculensis.

A clade contains an ancestor and all of its descendants. The exact membership of Argentinosaurus can differ between published analyses, particularly where fossils are incomplete or character interpretations change.

Name meaning: Reliable information is currently unavailable.

Branch structure

Immediate descendants

Argentinosaurus huinculensis

Representative taxa

Dinosaurs in this branch

Side-view life reconstruction of Argentinosaurus huinculensis

Art by Nobu Tamura · CC BY 3.0

Cretaceous

Argentinosaurus huinculensis

An immense but very incompletely known titanosaur from Argentina's Huincul Formation. Its enormous back vertebrae and partial sacrum establish gigantic size, while most familiar full-body proportions remain reconstructed from relatives.

herbivore~33 m

Distribution

Geographic record

Argentina

Country-level summary of represented seed records, not a complete range map.

Scientific uncertainty

No specific uncertainty note is currently recorded. This does not mean every interpretation is settled.

Sources

Further reading

Introduction to the Dinosauria Dinosaur Paleobiology