Sowerby, G. B. II. (1878). Monograph of the genus Margarita. In: Conchologia iconica, or illustrations of the shells of molluscous animals, vol. 20: pls 1-3 and unpaginated text. L. Reeve, London. [1878, no month date].
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Sowerby, G. B. II
1878
Monograph of the genus <i>Margarita</i>. In: <i>Conchologia iconica, or illustrations of the shells of molluscous animals</i>, vol. 20: pls 1-3 and unpaginated text. L. Reeve, London. [1878, no month date]