MolluscaBase name details
basis of record
Clench, W. J. & Archer, A. F. (1931). Land shells from Lubang Island, Philippines. <em>Occasional Papers of the Boston Society of Natural History.</em> 5: 333-339, pl. 17., available online at https://www.biodiversitylibrary.org/page/34576677
page(s): 335, pl. 17, fig. 2 [details]