Sowerby, G. B. I. (1846). Monographs of the genera Orbicula, Crania, Hipponyx and Thecidium. In G. B. Sowerby II (ed.), Thesaurus conchyliorum, or monographs of genera of shells. Vol., 1 (7): 365-371, pl. 73. London, privately published. [27 Nov 1846].
380309
Sowerby, G. B. I
1846
Monographs of the genera <i>Orbicula, Crania, Hipponyx</i> and <i>Thecidium</i>. In G. B. Sowerby II (ed.), <i>Thesaurus conchyliorum, or monographs of genera of shells</i>. Vol., 1 (7): 365-371, pl. 73. London, privately published. [27 Nov 1846]