Sowerby, G. B. II. (1835-1836).
Ranella. In:
The Conchological Illustrations; or coloured figures of hitherto unfigured Recent shells. London, privately published. Parts 84-85, figs. 1-8 [15 Sept. 1835], 88-89, figs. 9-15 [31 Oct. 1835], 92-93, figs. 16-22 [Jan. 1836]. index + catalogue, 8 pp [Jan. 1836].