	Authors	Year	Title
	Becker	2000	Palaeobiogeographic relationships and diversity of Upper Devonian ammonoids from Western Australia. Records of the Western Austraslian Museum Supplement, 58: 385-401, 7 figs.
	House	1962	Observations on the ammonoid succesion of the North American Devonian. Journal of Paleontology, 36: 247-284, fig.1-15, tab.1-3, pl.43-48; Tulsa, Okla.
	House, Gordon & Hlavin	1986	Late Devonian ammonoids from Ohio and adjacent states. Journal of Paleontology, 60: 126-144, fig.1-7, tab.1-3; Tulsa, Okla.
	Miller & Flower	1936	A Sporadoceras from America. Journal of Geology, 44: 751-757, fig.1; Chicago, Ill.
	Miller	1938	Devonian ammonoids of America. Special Papers, Geological Society of America, 14: 1-262, fig.1-41, pl.1-39; Baltimore.
	Petter	1959	Goniatites dévoniennes du Sahara. Publ. Serv. Carte géol. Algérie, n.s., Paléont., 2: 1-313, fig.1-58, pl.1-26; Alger.