Fotos: (1,2) Natural History Museum, London: SYNTYPE de Pseudohyalina umbratilis (Guppy, 1868), NHMUK 1875.2.8.10
Fontes:
Descrição original: (como Zonites umbratilis Guppy, 1868)Guppy, R. J. L. (1868). On the terrestrial mollusks of Dominica and Grenada, with an account of some new species from Trinidad. Annals and Magazine of Natural History. (4) 1: 429-442., disponível online em https://biodiversitylibrary.org/page/22248819
página(s): 440
Natural History Museum (2026). Natural History Museum (London) Collection Specimens. Occurrence dataset https://doi.org/10.5519/qd.25oo522a accessed via GBIF.org on 2026-07-11. https://gbif.org/occurrence/1826227710