Dell, R.K. (1954). The land Mollusca of Stewart and Solander islands. <em>Transactions of the Royal Society of New Zealand 82: 137-156.</em> page(s): 142 [details]
MolluscaBase eds. (2024). MolluscaBase. Ptychodon gadus Dell, 1954. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=851218 on 2024-04-26
original descriptionDell, R.K. (1954). The land Mollusca of Stewart and Solander islands. <em>Transactions of the Royal Society of New Zealand 82: 137-156.</em> page(s): 142 [details]