Reeve, L. A. (1858-1859). Monograph of the genus
Crucibulum. In:
Conchologia Iconica, or, illustrations of the shells of molluscous animals, vol. 11, pl. 1-7 and unpaginated text. L. Reeve & Co., London. [stated dates: pls. 1-3, Dec. 1858; 4-7, Feb. 1859].