Authors Year Title
Bisat 1950 The junction faunas of the Viséan and Namurian.
Transactions of the Leeds Geologists Association., 6 (3): 10-26, fig.1, pl.1,2; Kendal.
Moore 1930 Species of the Genus Dimorphoceras in the Bowland Shales.
Geological Magazine, 67: 162-168, fig.1-2;
Moore 1936 The Bowland Shales from Pendle to Dinckley.
Journal of the Manchester Geological Association,: 167-192, fig.1-3, pl.1-3; Manchester.
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;
Moore 1946 The Carboniferous goniatite genera Girtyoceras and Eumorphoceras.
Proceedings of the Yorkshire Geological Society, 25: 387-445, 31 figs., pl.22-27; Wakefield.