MolluscaBase name details
original description
Sowerby, G. B. II. (1842). Monograph of the genus <i>Helicina</i>. In G. B. Sowerby II (ed.), <i>Thesaurus conchyliorum, or monographs of genera of shells</i>. Vol. 1 (1): 1–16, pls 1–3. London, privately published [May 1842]. , available online at https://www.biodiversitylibrary.org/page/11076187
page(s): 10, pl. 2, figs. 92–95 [details]
additional source
Petit, R. E. (2009). George Brettingham Sowerby, I, II & III: their conchological publications and molluscan taxa. <em>Zootaxa.</em> 2189: 1–218., available online at http://www.mapress.com/zootaxa/2009/f/z02189p218f.pdf [details]
additional source
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): 256 [details]
additional source
Kobelt, W. (1886). Die Landdeckelschnecken. <em>Semper C (Ed.) Reisen im Archipel der Philippinen. (2). Kreidel, Wiesbaden.</em> 4(2), 1–80., available online at https://biodiversitylibrary.org/page/11672705
page(s): 69, 70 [details]