Sylvia S.Lee, E.E.Gaiser, Van de Vijver, Edlund, and S.A.Spauld. 2014
Mastogloia lacustris and M. calcarea are not as wide and elliptic. Mastogloia calcarea also has higher stria density. Mastogloia albertii has protracted, capitate apices.
(Grunow) Van Heurck 1880
Pavlov et al. 2016