	Authors	Year	Title
	Liang & Guo	1982	Cephalopoda. Paleontological Atlas of East China. Volume of Late Paeozoic: 257-307, fig.1-90, pl.103-118; Beijing.
	Wang	1990	Late permian and Early Triassic ammonoid fauna from Fenghai, Yong'an, Fujian and their stratigraphic significance. Acta Paleontologica Sinica, 29 (6): 755-773, fig.1-7, pl.1-4; Beijing.