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.
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Knight, J. B.; Cox, L. R.; Keen, A. M.; Batten, R. L.; Yochelson, E. L.; Robertson, R.
1960
Systematic descriptions [Archaeogastropoda
Treatise on Invertebrate Paleontology. Part I. Mollusca