World Register of Marine Species (WoRMS)
Spectamen tryphenense (A. W. B. Powell, 1930)
MolluscaBase eds. (2026). MolluscaBase. Spectamen tryphenense (A. W. B. Powell, 1930). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1424525 on 2026-08-30
Powell, A. W. B. (1930). New species of New Zealand Mollusca from shallow-water dredgings. Part 1. Transactions and Proceedings of the New Zealand Institute. 60: 532-543. [Published 31 March 1930].