Authors Year Title
Bisat 1928 The Carboniferous goniatite zones of England and their continental equivalents.
Congrès de Stratigraphie Carbonifère, Heerlen 1927, C.R.B.: 117-133, pl.6, 6a; Liège.
Moore 1930 Species of the Genus Dimorphoceras in the Bowland Shales.
Geological Magazine, 67: 162-168, fig.1-2;
Moore 1946 The Carboniferous goniatite genera Girtyoceras and Eumorphoceras.
Proceedings of the Yorkshire Geological Society, 25: 387-445, 31 figs., pl.22-27; Wakefield.
Moore 1950 The Genus Sudeticeras and its Distribution in Lancashire and Yorkshire.
Journal of the Manchester Geologists Association., 1950 (2): 31-50, pl.1-3; Manchester.
Moore 1952 Notes on the genera Prolecanites and Epicanites with description of two new species.
Liverpool and Manchester Geological Journal, 1 (1): 71-76, fig.1-4, pl.7; Liverpool.