MolluscaBase eds. (2024). MolluscaBase. Pinguiphaedusa hakonensis (Pilsbry, 1902). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1475592 on 2024-04-30
basis of recordMinato, H. (1988). A systematic and bibliographic list of the Japanese land snails. H. Minato, Shirahama, 294 pp., 7 pls. page(s): 60 [details]