MolluscaBase taxon details
original description
(of Bulimus (Otostomus) quadrifasciatus Angas, 1878) Angas, G. F. (1878). Descriptions of nine new species of land and marine shells from various localities. <em>Proceedings of the Zoological Society of London.</em> (1878): 310-318, pl. 18., available online at https://www.biodiversitylibrary.org/page/28511537
page(s): 312. pl. 18, figs. 2-3 [details]
original description
(of Bulimus (Otostomus) napo Angas, 1878) Angas, G. F. (1878). Descriptions of nine new species of land and marine shells from various localities. <em>Proceedings of the Zoological Society of London.</em> (1878): 310-318, pl. 18., available online at https://www.biodiversitylibrary.org/page/28511537
page(s): 312, pl. 18, figs. 4-5 [details]
From editor or global species database