Fotos: (1-3) The Academy of Natural Sciences, Philadelphia: HOLOTYPE de Drymaeus flexuosus megas Pilsbry, 1944, ANSP 179981, Huila, “Upper Magdalena Valley, near Suesa”, 03°15’N 075°15’W, ~ 400 m, A.A. Olsson leg., 1943
Fontes:
Descrição original: (como Drymaeus flexuosus megas Pilsbry, 1944) Pilsbry, H. A. (1944). Peruvian land Mollusca – II. The Nautilus. 57(4): 118-129, pl. 11., disponível online em https://www.biodiversitylibrary.org/page/8515578
página(s): 127, pl. 11 fig. 3
Breure, A. S. H. & Borrero, F. J. (2019). A review of Stenostylus Pilsbry, 1898 and Drymaeus Albers, 1850 (Mollusca: Gastropoda: Orthalicoidea: Bulimulidae) from Colombia, with description of new species. Folia Conchyliologica. 52: 1-79