Descrição original: Da Costa, S. I. (1906). Descriptions of new species of Drymaeus, Amphicyclotus, and Neocyclotus from South and Central America. Proceedings of the Malacological Society of London. 7: 7-10, pl. 1., disponível online em https://www.biodiversitylibrary.org/page/15797418
página(s): 9, pl. 1, figs 7–8
Breure, Bram & Borrero, Francisco. (2019). A review of Stenostylus Pilsbry, 1898 and Drymaeus Albers, 1850 (Mollusca: Gastropoda: Orthalicoidea: Bulimulidae) from Colombia, with description of new species. Folia Conchyliologica, Cédric Audibert, 2019, página(s) 1-79