Dianmeisaurus Shang & Li, 2015

Revised diagnosis

Postfrontal with a distinct constriction behind the orbit (also present in Anarosaurus, Honghesaurus, and Prosantosaurus); distal end of sacral ribs distinctly expanded (also present in Diandongosaurus and Qianxisaurus); interorbital septum extremely narrowed and distinctly shorter than the distance between external nares (a synapomorphy of Dianmeisaurus); skull table with deeply concave posterior margin (also present in Dawazisaurus and Diandongosaurus).