Conrad, T.A. (1847). Notes on shells, with descriptions of new genera and species. Journal of the Academy of Natural Sciences, Philadelphia Second Series 1: 213. Gearchiveerd op 6 april 2016.
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Conrad, T.A. (1847). Notes on shells, with descriptions of new genera and species. Journal of the Academy of Natural Sciences, Philadelphia Second Series 1: 213. Gearchiveerd op 6 april 2016.