Mikkelsen, P.M. & R. Bieler. 1992. Biology and comparative anatomy of three new species of commensal Galeommatidae, with a possible case of mating behavior in bivalves. Malacologia 34(1-2): 1-24. Available electronically.
Mikkelsen & Bieler, 1992. Malacologia 34(1-2): 2, figs. 1, 4, 7-13, 23, 33.