original description
(of Clypeolum planissimum Mousson, 1869) Mousson, A. (1869). Faune malacologique terrestre et fluviatile des îles Samoa, publiée d'après les envois de M. le Dr. E. Graeffe. Journal de Conchyliologie, 17: 323-390. Paris., available online at https://biodiversitylibrary.org/page/15662537
page(s): 378, pl. 15, fig. 9 [details]
basis of record
Eichhorst, T. E. (2016). <i>Neritidae of the world. Volume two</i>. <em>Harxheim: Conchbooks. Pp. 695-1366.</em>
page(s): 791. pl. 236 [details]
From editor or global species database
Type locality Samoa, in the mountains of Upolu up more tham 800 meters a. s. l. [details]