Pulsellum teres (Jeffreys, 1883)

Jeffreys J. G. (1878-1885). On the mollusca procured during the H. M. S. "Lightning" and "Porcupine" expedition. Proceedings of the Zoological Society of London : Part 1 (1878): 393-416 pl. 22-23. Part 2 (1879): 553-588 pl. 45-46 [ottobre 1879]. Pa