Irisosaurus
Sign in to saveIrisosaurus (meaning "iridescent lizard" after the iridescent clouds of Yunnan Province, China) is an extinct genus of sauropodiform sauropodomorph dinosaur, from the Fengjiahe Formation of China. The type species, Irisosaurus yimenensis was formally described in 2020. It was the sister taxon to Mussaurus.
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Irisosaurus (meaning "iridescent lizard" after the iridescent clouds of Yunnan Province, China) is an extinct genus of sauropodiform sauropodomorph dinosaur, from the Fengjiahe Formation of China. The type species, Irisosaurus yimenensis was formally described in 2020. It was the sister taxon to Mussaurus.
==Discovery and naming== The holotype, CVEB 21901, was found in the rocks of the Fengjiahe Formation in Yimen County, Yunnan, during the summer of 2018. In 2020, it was assigned to the new genus and species, Irisosaurus yimenensis, named after the county it was found and "the famous iridescent clouds of Yunnan Province" (; literally "south of colorful clouds", the likely origin of Yunnan's name).
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