original description
Bartsch, P. (1918). Classification of the Philippine operculate land shells of the family Helicinidae, with a synopsis of the species and subspecies of the genus <i>Geophorus</i>. <em>Journal of the Washington Academy of Sciences.</em> 8 (20): 643-657 [4 December]., available online at https://biodiversitylibrary.org/page/2035705
page(s): 653-654 [details]
From editor or global species database
Type locality :from Caramoan on the south end of the Caramoan peninsula in Ambos Camarines, Luzon" [details]