MolluscaBase taxon details
original description
(of Helicina (Ceratopoma) Möllendorff, 1893) Möllendorff, O. F. von. (1893). Materialien zur Fauna der Philippinen. XI. Die Insel Leyte. <em>Bericht der Senckenbergischen Naturforschenden Gesellschaft.</em> 1892/1893: 51-154., available online at https://www.biodiversitylibrary.org/page/9661736
page(s): 139 [details]
basis of record
Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]
additional source
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): 644 [details]
additional source
Eichhorst, T. E. (2016). <i>Neritidae of the world. Volume two</i>. <em>Harxheim: Conchbooks. Pp. 695-1366.</em> [details]