Traits taxon details
original description
Heynemann, F. D. (1868). Die Nacktschnecken von der Prinzeninsel. <em>Malakozoologische Blätter.</em> 15: 32-39., available online at https://www.biodiversitylibrary.org/page/16223972 page(s): 32 [details]
basis of record
Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details] 
additional source
Semper, C. (1870-1885). <i>Reisen im Archipel der Philippinen, Theil 2. Wissenschaftliche Resultate. Band 3, Landmollusken</i>. Wiesbaden: Kreidel. [1-80, pls 1-7 (1870); 81-128 (1873); 129-168 (1874); 169-224 (1877); 225-264, pls 19–20, 22–23 (1880); 265–290, pl. 21 (1882); 291-327, pls 24–27 (1885)] (publication dates after Zool. Record)., available online at https://biodiversitylibrary.org/page/32630046 page(s): 19-20 [details]
additional source
Van Goethem, J. L. (1977). Révision systématique des Urocyclinae (Mollusca, Pulmonata, Urocylidae). <em>Annales du Musée Royal de l'Afrique Centrale, Sciences Zoologiques.</em> 218: XI + 355 pp., 720 figg., pl. 1-4. Tervuren. page(s): 101 [details]
additional source
Forcart, L. (1967). Studies on the Veronicellidae, Aperidae and Urocyclidae (Mollusca) of Southern Africa. <em>Annals of the Natal Museum.</em> 18(3): 505-570. page(s): 558 [details] Available for editors 
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