	Authors	Year	Title
	Nassichuk	1975	Carboniferous ammonoids and stratigraphy in the Canadian Arctic Archipelago. Bulletin of the Geological Survey of Canada, 237: 1-240, fig.1-57, tab.1-33, pl.1-18; Ottawa.
	Rehor & Rehorová	1972	Makrofauna uhlonosného karbonu Ceskoslovenské cásti Hornoslezske Pánve. Profil, 1972: 1-137, pl.1-64; Ostrava.