	Authors	Year	Title
	Manger & Pareyn	1979	New Carboniferous dimorphoceratid ammonoids from Algeria and Arkansas. Journal of Paleontology, 53 (3): 657-665, fig.1-3, pl.1.
	Moore	1958	Dimorphoceratidae from the Upper Visean shales of County Leitrim, Eire. Proceedings of the Yorkshire Geological Society, 31 (3): 219-226, fig.1,2, pl.14.