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): 11, pl. 2, fig. 91 [details]
additional source
Smith, E. A. (1894). On the land-shells of the Sulu Archipelago. <em>The Annals and Magazine of Natural History.</em> Series 6, 13: 48–60., available online at https://www.biodiversitylibrary.org/page/19242388
page(s): 59 [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
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): 72 [details]