Fotos: (1-3) The Academy of Natural Sciences, Philadelphia: HOLOTYPE ANSP 179987, coll. Weyrauch, W., 1942, 27.5mm
Fontes:
Descrição original: 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. 18
D’Àvila S., Simone L. R. L., Oliveira L. F. Cappa De, Charles L. & Maestrati P. (2020). Rediscovery of Obeliscus agassizi Pilsbry, 1906 (Gastropoda, Subulinidae, Obeliscinae), annotated checklist of species of Obeliscus Beck, 1837 and first description of the anatomy for the genus. Zoosystema. 42(12): 159-172., disponível online em https://doi.org/10.5252/zoosystema20v42a12.
página(s): 167
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 2026-02-21. https://www.gbif.org/occurrence/215828293