Oliver, P.G. (1983). Notoficula Thiele, a neotenous genus of eratoid gastropod from Antarctica. Br. Antarct. Surv. Bull 61: 1-6.[details]
MolluscaBase eds. (2025). MolluscaBase. Notoficula signyensis P. G. Oliver, 1983. Accessed through: De Broyer, C.; Clarke, A.; Koubbi, P.; Pakhomov, E.; Scott, F.; Vanden Berghe, E. and Danis, B. (Eds.) (2025) Register of Antarctic Marine Species at: https://www.marinespecies.org/RAMS/aphia.php?p=taxdetails&id=197314 on 2026-01-15
De Broyer, C.; Clarke, A.; Koubbi, P.; Pakhomov, E.; Scott, F.; Vanden Berghe, E. and Danis, B. (Eds.) (2026). Register of Antarctic Marine Species. Notoficula signyensis P. G. Oliver, 1983. Accessed at: https://www.marinespecies.org/rams/aphia.php?p=taxdetails&id=197314 on 2026-01-15
original descriptionOliver, P.G. (1983). Notoficula Thiele, a neotenous genus of eratoid gastropod from Antarctica. Br. Antarct. Surv. Bull 61: 1-6.[details]
additional sourceEngl, W. (2012). <i>Shells of Antarctica</i>. Hackenheim: Conchbooks. 402 pp. [details]