Protognathosaurus
It was a sauropod found at Dashanpu in Sichuan in what is present-day China . 
<triplet> Dashanpu <subj> Sichuan <obj> located in the administrative territorial entity <subj> China <obj> country <triplet> Sichuan <subj> China <obj> country <triplet> China <subj> Sichuan <obj> contains administrative territorial entity