Authors Year Title
Furnish & Saunders 1971 Ammonoids from the Middle Chester Beech Creek Limestone, St. Clair County.
University of Kansas paleontological Contributions, 51: 1-14, fig.1-3, pl.1-2.
House 1971 The goniatite Wrinkle-Layer.
Smithsonian Contribution Paleobiol., 3: 23-32, fig.1-2, pl.1-3;
Korn 1988d Die Goniatiten des Kulmplattenkalkes (Cephalopoda, Ammonoidea; Unterkarbon; Rheinisches Schiefergebirge).
Geologie und Paläontologie in Westfalen, 11: 1-293, fig.1-88, pl.1-60; Münster.
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 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.