Localidade tipo: “Department of Cajamarca, province of Jaen, Chaupo, at 6000 ft. elevation”
Nome original: Isomeria anodonta Pilsbry, 1949
Fotos: The Academy of Natural Sciences, Philadelphia: HOLOTYPE ANSP 165202, “Chaupo, at 6000 ft. elevation, province of Jaen, Department of Cajamarca”, coll. M. A. Carriker, 1933, 39.5mm
Fontes:
Descrição original: Pilsbry, H. A. (1949). New species of Isomeria and Helicina. The Nautilus. 62(3): 99–101, pl. 6, figs. 3-4., disponível online emhttps://biodiversitylibrary.org/page/8519644
página(s): 100, pl. 6, figs. 3, 3a
Solem, A. (1966). Neotropical land snail genera Labyrinthus and Isomeria (Pulmonata, Camaenidae). Fieldiana: Zoology. 50: 1-226., disponível online emhttps://biodiversitylibrary.org/page/2780997
página(s): 153