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beaked plant-eater · Doubtful name
Mandschurosaurus
Say it like this: “man-CHOOR-o-SAWR-us”
Mandschurosaurus amurensis
Mandschurosaurus ate plants and walked on two or four legs. It lived in the Late Cretaceous. Bones have been found in China.
- When
- Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
- Named in
- 1930 · Riabinin, A. N.
- Hip height
- Not established
- Length
- 8–11.2 m · 26–37 ft
- Weight
- 1.5–2 tonnes
- Found in
- China · Yuliangzi
- Food and walking
- Herbivore · Two or four legs
- Kind
- beaked plant-eater · Ornithopod
- Family branch
- Hadrosauridae
The story in short
The genus Mandschurosaurus dates to 1930, the year A. N. Riabinin described it. The name honors a person tied to the fossil or its study.
It lived in the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from China, including the Yuliangzi Formation. It was a herbivore and could move on two or four legs.
Published estimates put Mandschurosaurus at a length near 8–11.2 m and a body mass around 1.5–2 tonnes.
On the family tree it sits in Hadrosauridae, among the ornithopod dinosaurs.
Close relatives
Aquilarhinus
Aquilarhinus palimentus
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Arstanosaurus
Arstanosaurus akkurganensis
Late Cretaceous (Santonian · Campanian) · roughly 85.7 to 72.2 million years ago
Barsboldia
Barsboldia sicinskii
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago