	Authors	Year	Title
	Ruzhencev	1978	Assel'skie ammonoidei na Pamire. Paleontologicheskiy Zhurnal, 1978 (1): 36-52, fig.1-13, pl.3,4; Moskva.
	Zhou	1987	First discovery of Asselian ammonoid fauna in China. Acta Paleontologica Sinica, 26 (2): 130-148, fig.1-11, pl.1-6; Beijing.