original description
Möllendorff, O. F. von. (1887). Von den Philippinen. II. Die Insel Cebu. <em>Jahrbücher der Deutschen Malakozoologischen Gesellschaft.</em> 14: 235–283., available online at https://www.biodiversitylibrary.org/page/15886780#page/249/mode/1up
page(s): 259-260, pl. 8, figs. 1-1b [details]
additional source
Möllendorff, O. F. von. (1898-1905). Wissenschaftliche Resultate, Achter Band, Landmollusken. Ergänzungen und Berichtigungen zum III. Bande: Die Landmollusken. <em>in Semper, C. (Ed.) Reisen im Archipel der Philippinen.</em> 1-268, 33 pls. [publication dates after Zoological Record: pp. 1-50, 1898; 51-98, 1899; 99-146, 1901; 147-224, 1902 by Möllendorff; pp. 225-268, 1905 by Kobelt & Winter]., available online at https://biodiversitylibrary.org/page/12911626
page(s): 12-13, pl. 1, fig. 13 [details]
additional source
Möllendorff, O. F. von. (1898). Verzeichnis der auf den Philippinen lebenden Landmollusken. <em>Abhandlungen der Naturforschenden Gesellschaft zu Görlitz.</em> 22: 26-208., available online at https://biodiversitylibrary.org/page/58468236
page(s): 31 [details]
Lectotype SMF 43052, geounit Cebu Island [details]
Nontype SMF 43055, geounit Cebu Island [details]
Paralectotype SMF 43053, geounit Cebu Island [details]
From editor or global species database
Additional information Mollendorff (1887: 259) and Mollendorff (1898: 31) list mut./var. minor Mldff. Shell dimensions are provided on 1887: 159. [details]