	Authors	Year	Title
	Rilett	1963	A fossil Cephalopod from the Middle Ecca beds in the Klip River Coalfield near Dundee, Natal. Transactions of the Royal Society of South Africa, 37 (1): 73-74, pl.11.
	Teichert & Rilett	1974	Revision of Permian Ecca Series cephalopods, Natal, South Africa. The University of Kansas Paleontological Contributions, 68: 1-8, 2 figs., pl.1.