Shuangmiaosaurus
Shuangmiaosaurus was a big, plant-eating dinosaur that lived in China about 100 million years ago. It walked on two legs and had a beak for snipping leaves and branches. This dinosaur was a cousin of the famous duck-billed hadrosaurs.14
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How big was it?
How long was it?
How tall was it?
hip height (reconstructed from jaws only)
How heavy was it?
as long as 8 dogs nose to tail🍌as long as 42 bananas end to endas heavy as 120 dogs🍉as heavy as 500 watermelons🎒as heavy as 3 whole school classes of kids🐻❄️as heavy as 6 polar bears🏃could run 100 metres in 14 seconds (the fastest human needs 9.6)How big was Shuangmiaosaurus compared to YOU?
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Fun facts
Shuangmiaosaurus is known from only a partial skull, including parts of the upper and lower jaws.1
The name Shuangmiaosaurus honors the village of Shuangmiao, where its fossils were found.1
This dinosaur was about 7.5 meters (25 feet) long and weighed around 2.5 tonnes (2.8 short tons).1
Shuangmiaosaurus had a special jaw joint where the maxilla and jugal bones met in a flat, butt-joint instead of a finger-in-recess connection.2
Some scientists think Shuangmiaosaurus was a basal hadrosauroid, closely related to the duck-billed dinosaurs, while others place it outside that group.1
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- Scientific name
- Shuangmiaosaurus
- Named by
- You et al. 20034
- Group
- Beaked plant-eaters
- Family / clade
- Hadrosauroidea4
- Classification
- Ornithischia > Ornithopoda > Iguanodontia4
- Age of the rocks
- 106 to 100 million years (Albian)4
- Rock formations
- Sunjiawan4
- Countries
- China4
- Fossil records
- 1 in the Paleobiology Database4
- Discovery
- Shuangmiaosaurus was named in 2003 by You Hailu, Ji Qiang, Li Jinglu, and Li Yinxian. The fossils were found in the Sunjiawan Formation in Liaoning, China.14
- Still debated
- Scientists are not sure whether Shuangmiaosaurus was a basal hadrosauroid or a more primitive iguanodontian dinosaur.1
Where the facts come from
- Shuangmiaosaurus (en.wikipedia.org)
- A New Hadrosauroid Dinosaur from the Mid-Cretaceous of Liaoning, China (onlinelibrary.wiley.com)
- Shuangmiaosaurus 3D Viewer - Rotate a Hadrosauroid Online - Free Tool Online (freetoolonline.com)
- Shuangmiaosaurus in The Paleobiology Database (CC BY 4.0): age, places, rock formations, classification.
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