original description
Morlet L. (1886). Diagnoses Molluscorum novorum Tonkini. <em>Journal de Conchyliologie.</em> 34: 75-78., available online at https://www.biodiversitylibrary.org/page/16070966
page(s): 75 [details]
additional source
Heude, P. M. (1882-1890). Notes sur les mollusques terrestres de la vallée du Fleuve Bleu. <em>Mémoires concernant l'histoire naturelle de l'Empire chinois.</em> 1 (2): 2 + 1-87, pls. 12-21 [1882]; 1 (3): 89-132, pls. 22-32 [1885]; 1 (4): 125-188, pls. 33-43 [1890]., available online at https://www.biodiversitylibrary.org/page/34061405
page(s): 140, plate 38, fig. 8 [details]
From editor or global species database