Reeve. "
On new species of Pleurotoma, Clavatula, and Mangelia."
 ; Proceedings of the Zoological Society of London pt.
9-11 (1841-1843)
Reeve. "On new species of Pleurotoma, Clavatula, and Mangelia." ; Proceedings of the Zoological Society of London pt. 9-11 (1841-1843)
Clavus beckii