Knight J.B., Cox L.R., Keen A.M., Batten R.L., Yochelson E.L. & Robertson R. (1960). Systematic descriptions [Archaeogastropoda], In R.C. Moore (ed.),
Treatise on Invertebrate Paleontology. Part I. Mollusca 1. Geological Society of America and Kansas University Press: I169-I310.