Crassispira unicolor (G. B. Sowerby I 1834)

Description: English: Crassispira unicolor (Sowerby I, 1834) ; family Pseudomelatomidae. Date: 1843. Source: Conchologia iconica, or, Illustrations of the shells of molluscous animals; Reeve, Lovell, Brooks, Vincent, Reeve, Frederic, Sowerby, G. B. (George Brettingham), Taylor, John Edward, Reeve Benham & Reeve, Savill, Edwards and Co., Spottiswoode & Co. Vincent Brooks, Day & Son, ; vol.1 (1843) pl. XI # 92. Author: G.B. Sowerby I.