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Diandongosaurus
Diandongosaurus was a small marine reptile that swam in the warm seas of China during the Triassic Period. It had a long body and sharp teeth for catching fish. It was only about as long as a ruler!12
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Datos curiosos
Diandongosaurus had a snout that was not pinched, and the part of its skull in front of the eye was longer than the part behind the eye.2
Its skull had a small opening on top (the supratemporal fenestra) that was smaller than its eye socket.2
The bones that form the forehead (frontals) and the top of the skull (parietals) were fused together into single pieces.2
Its collar bone (clavicle) had a forward-pointing projection, which is unusual.2
The toe bones (ungual phalanxes) of its hind feet were extremely flattened from top to bottom, possibly helping it paddle.2
The only known complete skeleton of Diandongosaurus was found in a famous fossil site called the Guanling Formation, which preserves many Triassic sea creatures.1
Cazamitos
Mito: Some people might think Diandongosaurus was a dinosaur because it lived long ago and had a long tail.
Verdade: Diandongosaurus was not a dinosaur. It was a marine reptile called an eosauropterygian, a group that includes ancestors of plesiosaurs.1
Para expertos en dinos
- Nome científico
- Diandongosaurus
- Bautizado por
- Shang et al. 20113
- Grupo
- Réptiles mariños
- Familia / clado
- Eosauropterygia3
- Clasificación
- Sauropterygia3
- Idade das rochas
- de 244 a 243 millóns de anos ()3
- Formacións rochosas
- Guanling3
- Países
- China3
- Rexistros fósiles
- 1 na Paleobiology Database3
- Descubrimento
- Diandongosaurus was named in 2011 by Chinese paleontologists Qing-Hua Shang, Xiao-Chun Wu, and Chun Li. They described it from a complete, articulated skeleton found in the Guanling Formation of Yunnan Province.12
- Aínda en debate
- Scientists are not sure exactly how Diandongosaurus is related to other marine reptiles. Some studies suggest it might be a close cousin of both nothosaurs and pachypleurosaurs, but its exact place in the family tree is still debated.2
De onde veñen os datos
- Diandongosaurus (en.wikipedia.org)
- A new eosauropterygian from Middle Triassic of eastern Yunnan Province, southwestern China (vertpala.ac.cn)
- Diandongosaurus 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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