original description
(of Cyclostoma desciscens L. Pfeiffer, 1851) Pfeiffer, L. (1853). Description of forty-three new species of Cyclostomacea, from the collection of H. Cuming, Esq. <em>Proceedings of the Zoological Society of London.</em> 19 (234) [“1851”]: 242–251. London [26 July]., available online at https://biodiversitylibrary.org/page/30680508
page(s): 243 [details]
original description
(of Cyclostoma souleyetianum Petit de la Saussaye, 1850) Petit de la Saussaye, [S.]. (1850). Notice sur le genre <i>Cyclostoma</i>, et catalogue espèces appartenant à ce genre. <em>Journal de Conchyliologie.</em> 1(1): 36-55, pls 3-4., available online at https://www.biodiversitylibrary.org/page/25135835
page(s): 52, pl. 3 fig. 6 [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): 93, Plate 16 a–c, Fig. 10 [details] Available for editors [request]
From editor or global species database
Type locality Yemen: Socotra Archipelago, Abd el-Kuri [details]
From editor or global species database