(of)Angelin, N. P.; Lindstöm, G. (1880). Fragmenta silurica e dono Caroli Henrici Wegelin. Samson & Wallin, Stockholm, 39 pp., available online athttps://www.biodiversitylibrary.org/page/41310468 page(s): 16, pl. 2, figs 10-15 [details]
MolluscaBase eds. (2025). MolluscaBase. Pilina unguis (Lindström, 1880) †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1731201 on 2025-05-24
Marine Species Traits editorial board (2025). Marine Species Traits. Pilina unguis (Lindström, 1880) †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1731201 on 2025-05-24
original description(of)Angelin, N. P.; Lindstöm, G. (1880). Fragmenta silurica e dono Caroli Henrici Wegelin. Samson & Wallin, Stockholm, 39 pp., available online athttps://www.biodiversitylibrary.org/page/41310468 page(s): 16, pl. 2, figs 10-15 [details]