	Authors	Year	Title
	Currie	1954	Scottish Carboniferous Goniatites. Transactions of the Royal Society. Edinburgh, 62, part 2 (No.14): 527-602, fig.1-9, 1tab., pl.1-4; Edinburgh.
	Moore	1939	The goniatite genus Dimorphoceras and its development in the British Carboniferous. Proceedings of the Yorkshire Geological Society, 24 (2): 103-128, fig.1-21, pl.15;