Look up · dinosaur 1049 of 1,425
long-neck giant
Quaesitosaurus
Say it like this: “kwee-SIET-o-SAWR-us”
Quaesitosaurus orientalis
Quaesitosaurus ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in Mongolia.
- When
- Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
- Named in
- 1983 · Kurzanov, S. M.; Bannikov, A. F.
- Hip height
- 1.8 m · 6 ft
- Length
- 23 m · 75 ft
- Weight
- 2.5 tonnes
- Found in
- Mongolia · Baruungoyot
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Nemegtosauridae
The story in short
In 1983, S. M. Kurzanov and A. F. Bannikov published the name Quaesitosaurus. The name means “extraordinary lizard.”
Fossils referred to Quaesitosaurus date to the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Mongolia, including the Baruungoyot Formation. It was a herbivore and walked on four legs.
Published estimates put Quaesitosaurus at a length near 23 m, hips about 1.8 m high, and a body mass around 2.5 tonnes.
On the family tree it sits in Nemegtosauridae, among the sauropod dinosaurs.