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beaked plant-eater
Shuangmiaosaurus
Say it like this: “shwahng-MYOW-SAWR-us”
Shuangmiaosaurus gilmorei
Shuangmiaosaurus ate plants and walked on two or four legs. It lived in the Early Cretaceous · Late Cretaceous. Bones have been found in China.
- When
- Early Cretaceous · Late Cretaceous (Albian · Cenomanian) · roughly 113.2 to 93.9 million years ago
- Named in
- 2003 · You, H.; Ji, Q.; Li, J.; Li, Y.
- Hip height
- Not established
- Length
- 7.5 m · 25 ft
- Weight
- 2.5 tonnes
- Found in
- China · Sunjiawan
- Food and walking
- Herbivore · Two or four legs
- Kind
- beaked plant-eater · Ornithopod
- Family branch
- Hadrosauromorpha
The story in short
The genus Shuangmiaosaurus dates to 2003, the year H. You and colleagues described it. The name honors a person tied to the fossil or its study.
It lived in the Early Cretaceous · Late Cretaceous (Albian · Cenomanian), roughly 113.2 to 93.9 million years ago. Finds come from China, including the Sunjiawan Formation. It was a herbivore and could move on two or four legs.
Published estimates put Shuangmiaosaurus at a length near 7.5 m and a body mass around 2.5 tonnes.
On the family tree it sits in Hadrosauromorpha, among the ornithopod dinosaurs.
Close relatives
Bactrosaurus
Bactrosaurus johnsoni
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Claosaurus
Claosaurus agilis
Late Cretaceous (Coniacian · Santonian) · roughly 89.8 to 83.6 million years ago
Eolambia
Eolambia caroljonesa
Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago