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estimación
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Datos curiosos
Tonganosaurus had a very long neck for its size, with neck bones shaped like those of Omeisaurus, another long-necked dinosaur.1
Its front legs were 80 percent as long as its back legs, which is a sign it was a more advanced sauropod.2
The thigh bone (femur) was straight and thick, and the shin bone (tibia) was 75 percent of its length.1
It lived in the Early Jurassic, about 184.5 million years ago, making it the oldest known mamenchisaurid by almost 15 million years.1
The only skeleton found was of an adult that was about 12 metres long, the length of a big bus.1
Its backbones (vertebrae) were solid and not hollow, which is a more primitive feature among sauropods.2
The fossils were discovered in 2007 by scientists from Chengdu University of Technology, after tips from local people.1

Para expertos en dinos
- Nome científico
- Tonganosaurus
- Bautizado por
- Li et al. 20103
- Grupo
- Pescozos longos
- Familia / clado
- Mamenchisauridae3
- Clasificación
- Sauropodomorpha > Sauropoda3
- Idade das rochas
- de 201 a 175 millóns de anos (Hettangian / Toarcian)3
- Formacións rochosas
- Yimen3
- Países
- China3
- Rexistros fósiles
- 1 na Paleobiology Database3
- Descubrimento
- Tonganosaurus was named by Li Kui, Yang Chun-Yan, Liu Jian, and Wang Zheng-Xin in 2010. The species name hei honors dinosaur scientist He Xinlu. The fossils were found in the Yimen Formation of Sichuan, China.12
- Aínda en debate
- Scientists are still debating the exact age of the Yimen Formation, so the precise date of Tonganosaurus is not fully settled.1
De onde veñen os datos
- Tonganosaurus (en.wikipedia.org)
- A NEW SAUROPOD FROM THE LOWER JURASSIC OF HUILI, SICHUAN, CHINA (vertpala.ac.cn)
- Tonganosaurus in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
Cada dato desta páxina ten un número que leva á súa fonte. Se nos equivocamos nalgo, sentímolo, somos fans dos dinos, non unha revista científica. Escríbenos a [email protected] e arranxámolo.
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