"Yunxiansaurus" is the informal name given to an as-yet undescribed genus of dinosaur from the late Cretaceous. It was a sauropod which lived in what is now China. The suggested "type species", "Yunxiansaurus hubei", was coined by chinese paleontologist Zhou in 2005. The fossils of "Yunxiansaurus" were found near the Nanyang Prefecture. The name appears in The Dinosaur Egg Fossils in Nanyang, China, but as the dinosaur has never been formally described, it remains a nomen nodum.

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