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Original drawing of Nemegtosaurus

long-neck giant

Nemegtosaurus

Say it like this: “NAY-meg-to-SAWR-us”

Nemegtosaurus mongoliensis

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

When
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
Named in
1971 · Nowinski, A.
Hip height
2.2 m · 7 ft
Length
12–13 m · 39–43 ft
Weight
20 tonnes
Found in
Mongolia · Nemegt
Food and walking
Herbivore · Four legs
Kind
long-neck giant · Sauropod
Family branch
Nemegtosauridae

The story in short

In 1971, A. Nowinski published the name Nemegtosaurus. The name honors a person tied to the fossil or its study.

Fossils referred to Nemegtosaurus date to the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from Mongolia, including the Nemegt Formation. It was a herbivore and walked on four legs.

Published estimates put Nemegtosaurus at a length near 12–13 m, hips about 2.2 m high, and a body mass around 20 tonnes.

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

Close relatives