Fotos: (1-3) Smithsonian National Museum of Natural History, HOLOTYPE USNM 517552, México, Província de Guerrero, “near Las Grutas de Cacahuamilpa”, coletor: Bourgeois, M. E., 20.3mm
Fontes:
Descrição original: (como Drymaeus perductorum Rehder, 1943) Rehder, H. A. (1943). Two new species of Drymaeus from Mexico. The Nautilus. 57(1): 28-29, pl. 6, figs. 6-10., disponível online em https://www.biodiversitylibrary.org/page/8515482
página(s): 29, pl. 6, figs. 6-9
Thompson, F. G. (2011). An annotated checklist and bibliography of the land and freshwater snails of México and Central America. Florida Museum of Natural History Bulletin. 50(1): 1-299