Look up · dinosaur 828 of 1,425
long-neck giant
Mongolosaurus
Say it like this: “mong-GO-lo-SAWR-us”
Mongolosaurus haplodon
Mongolosaurus ate plants and walked on four legs. It lived in the Early Cretaceous. Bones have been found in China.
- When
- Early Cretaceous (Aptian · Albian) · roughly 121.4 to 100.5 million years ago
- Named in
- 1933 · Gilmore, C. W.
- Hip height
- Not established
- Length
- 16 m · 52 ft
- Weight
- Not established
- Found in
- China · On Gong
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Somphospondyli
The story in short
Mongolosaurus was formally named in 1933 by C. W. Gilmore. The name means “mongolia lizard.”
Fossils referred to Mongolosaurus date to the Early Cretaceous (Aptian · Albian), roughly 121.4 to 100.5 million years ago. Finds come from China, including the On Gong Formation. It was a herbivore and walked on four legs.
Published estimates put Mongolosaurus at a length near 16 m.
On the family tree it sits in Somphospondyli, among the sauropod dinosaurs.
Close relatives
Abdarainurus
Abdarainurus barsboldi
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Angolatitan
Angolatitan adamastor
Late Cretaceous (Coniacian) · roughly 89.8 to 85.7 million years ago
Arkharavia
Arkharavia heterocoelica
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago