Oliver, P.G. (1983). Notoficula Thiele, a neotenous genus of eratoid gastropod from Antarctica. Br. Antarct. Surv. Bull 61: 1-6.[details]
MolluscaBase eds. (2024). MolluscaBase. Notoficula signyensis P. G. Oliver, 1983. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=197314 on 2024-09-06
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]