Jinchuanloong

Jinchuanloong (meaning "Jinchuan dragon") is an extinct genus of eusauropod sauropod dinosaurs from the Middle Jurassic Xinhe Formation of China. The genus contains a single species, Jinchuanloong niedu, known from a partial skeleton including a nearly complete skull.

== Discovery and naming == thumb|left|Jinchuanlong type locality (white star) The Jinchuanloong holotype specimen, JCMF 0132, was discovered as the result of fieldwork conducted in 2017 by Dr. Li Daqing in outcrops of the Xinhe Formation in the Jinchuan District, of Gansu Province in northwest China. The specimen consists of a well-preserved, nearly complete skull and articulated with the first five (including the - complex) and 29 of the posteriormost (toward the end) , some of which are preserved with associated . In the approximately gap between the neck and tail, there are preserved impressions of the and . The first three preserved caudals preserve only the . The remaining vertebrae are all articulated, exposed in right lateral view. Unfortunately, the caudal vertebrae were not yet collected at the time of their description in 2025, so protective fences were installed around them in the outcrop they are embedded in.