Traits taxon details
original description
(of ) 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): 72, pl. 2, fig. 2a, b [details]
basis of record
Bartsch, P. (1938). A synopsis of the Philippine land mollusks of the subgenus <i>Ryssota</i>. <em>Proceedings of the Biological Society of Washington.</em> 51: 101-119 [19 May]., available online at https://www.biodiversitylibrary.org/page/34510092 page(s): 113-114 [details]
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