Reeve, L. A. (1859). Monograph of the genus Pirena. In: Conchologia iconica, or illustrations of the shells of molluscous animals, vol. 12: pls. 1-2 and unpaginated text. L. A. Reeve, London. [stated date: Nov. 1859].
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Reeve, L. A.
1859
Monograph of the genus <i>Pirena</i>. In: <i>Conchologia iconica, or illustrations of the shells of molluscous animals</i>, vol. 12: pls. 1-2 and unpaginated text. L. A. Reeve, London. [stated date: Nov. 1859]