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Original drawing of Adamantisaurus

long-neck giant

Adamantisaurus

Say it like this: “AD-uh-MAN-tiss-OR-uhs”

Adamantisaurus mezzalirai

Adamantisaurus ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in Brazil.

When
Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago
Named in
2006 · Santucci, R. M.; Bertini, R. J.
Hip height
Not established
Length
13–18 m · 43–59 ft
Weight
5–14.4 tonnes
Found in
Brazil · Adamantina
Food and walking
Herbivore · Four legs
Kind
long-neck giant · Sauropod
Family branch
Aeolosaurini

The story in short

In 2006, R. M. Santucci and R. J. Bertini published the name Adamantisaurus. The name honors a person tied to the fossil or its study.

Fossils referred to Adamantisaurus date to the Late Cretaceous (Campanian · Maastrichtian), roughly 83.6 to 66 million years ago. Finds come from Brazil, including the Adamantina Formation. It was a herbivore and walked on four legs.

Published estimates put Adamantisaurus at a length near 13–18 m and a body mass around 5–14.4 tonnes.

On the family tree it sits in Aeolosaurini, among the sauropod dinosaurs.

Close relatives