MolluscaBase name details
original description
Sowerby, G. B. II. (1866). Second monograph of the genus <i>Helicina</i>, including the genera <i>Trochatella</i>, <i>Lucidella</i>, <i>Helicina</i>, <i>Schiascheila</i> [sic!] and <i>Alcadia</i>, of authors. In G. B. Sowerby II (ed.), <i>Thesaurus conchyliorum, or monographs of genera of shells</i>. Vol. 3 (24-25): 277-302, pls 266-278. London, privately published. , available online at https://www.biodiversitylibrary.org/page/15940704
page(s): 295, pl. 277, fig. 431 [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]
source of synonymy
Iredale, T. (1941). A basic list of the land Mollusca of Papua. <em>The Australian Zoologist.</em> 10(1): 51-94, pls. 3-4 [19 December 1941]., available online at https://biodiversitylibrary.org/page/39881296 [details]