original description
(of Otopoma obtusum L. Pfeiffer, 1862) Pfeiffer, L. (1862). Diagnosen einiger neuen Landschnecken. <em>Malakozoologische Blätter.</em> 9 (6): 202-206 [November 1862]., available online at https://www.biodiversitylibrary.org/page/15860803
page(s): 202 [details]
additional source
Neubert, E. (2009). The continental malacofauna of Arabia and adjacent areas. VI. Pomatiidae of Arabia, Socotra and northeast Africa, with descriptions of new genera and species (Gastropoda: Caenogastropoda: Littorinoidea). Fauna of Arabia, 24: 47-127. Riyadh / Basel [10 May].
page(s): 58, Plate 2 a–d, Fig. 3 [details] Available for editors [request]
From editor or global species database
Type locality Zanzibar [erroneous] [details]