Authors Year Title
Bisat 1924 The Carboniferous goniatites of the North of England and their zones.
Proceedings of the Yorkshire Geological Society, 20: 40-124, pl.1-10; Leeds.
Brown 1841 Description of some New Species of Fossil Shells, found chiefly in the Vale of Todmorden, Yorkshire.
Transactions Manchester Geological Society 1: 211-232, pl.7, London.
Hodson 1954 A new species of Dimorphoceras from the Homoceras Zone of the Irish Millstone Grit.
Annual Magazine of Natural History, Zoology, Botany, Geology., (12), vol.7: 362-366, fig.1-3; London.
Manger 1988 Phylogeny of the Carboniferous Ammonoid Family Dimorphoceratidae.
In: Wiedmann,J. & Kullmann,J. (Eds.), Cephalopods - Present and Past: 29-42, 6 text-figs., Stuttgart.
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;