Fotos: (1-3) The Academy of Natural Sciences, Philadelphia: HOLOTYPE de ANSP 185112, Divisoria, Cordillera Azul, northeast of Tingo Maria, coll. W. Weyrauch, 20.3mm
Fontes:
Descrição original: (como Nenia (Columbinia) gracilis Pilsbry, 1949)Pilsbry, H. A. (1949). Peruvian land mollusks of the genus Nenia (Clausiliidae). Proceedings of the Academy of Natural Sciences of Philadelphia. 101: 215‑232, pl. 17‑22.
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Rosenberg G (2026). Malacology Collection at the Academy of Natural Sciences of Philadelphia. Academy of Natural Sciences. Occurrence dataset https://doi.org/10.15468/xp1dhx accessed via GBIF.org on 2026-02-17. https://www.gbif.org/occurrence/215815129