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244-million-year-old Marine Reptile with the World's Longest Tail Discovered in Yunnan

May 09, 2022

Honghesaurus, a new species of Pachypleurosauroidae, has the longest tail known in the world and the earliest in China.

A fossil of a marine reptile called Honghesaurus dating back 244 million years is on display, May 9, 2022. (Photo: China News Service/Sun Zifa)

Line-drawing of the whole Honghesaurus. (Photo provided to China News Service)

Line-drawing of girdles, limbs and vertebrae of Honghesaurus. (Photo provided to China News Service)

Skull and mandible of Honghesaurus. (Photo provided to China News Service)

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