MolluscaBase eds. (2024). MolluscaBase. Plekocheilus episcopalis corticosus (G. B. Sowerby III, 1895). Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1263401 on 2024-03-29
original description(ofPlectostylus apolinari Pilsbry, 1935)Pilsbry, H. A. (1935). South American land and freshwater mollusks. 9. Colombian species. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 87: 83-88. page(s): 83, pl. 6 fig. 1-2 [details]