	Authors	Year	Title
	House	1965	A study in the Tornoceratidae: the succession of Tornoceras and related genera in the North American Devonian. Phil. Transactions of the Royal Society of London, Ser.B Biological Science, No.763 Vol.250: 79-130, fig.1-19, pl.1-11; London.
	House	1978	Devonian amonoids from the Appalachians and their bearing on international zonation and corelation. Special Papers Paleontology, 21: 1-70, fig.1-12, pl.1-10; London.