World Register of Marine Species (WoRMS)
Benthocardiella orbicula A. W. B. Powell, 1930
MolluscaBase eds. (2026). MolluscaBase. Benthocardiella orbicula A. W. B. Powell, 1930. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=504953 on 2026-08-30
Powell, A. W. B. (1930). New species of New Zealand Mollusca from shallow-water dredgings. Part 2. Transactions and Proceedings of the New Zealand Institute. 61: 536-546. [Published 29 November 1930].