Authors	Year	Title
Hind	1910	On four new Carboniferous nautiloids and a goniatite new to Great Britain. Proceedings of the Yorkshire Geological Society, 17: 97-109, pl.4-7.
Riley	1990	A global review of Mid-Dinantian ammonoid biostratigraphy. Courier Forschungsinstitut Senckenberg, 130: 133-143, 4 fig., Frankfurt a.M.
Work, Nassichuk & Richards	2000	Lower Viséan ammonoids from the Lower Mount Head Formation, East-Central British Columbia. Geological Survey of Canada Bulletin, 541: 1-71, 21 text-figs., 3 pls.