MolluscaBase taxon details
original description
(of Helix umbilicaria Le Guillou, 1842) Le Guillou, E. (1842). Description de vingt-sept espèces d'hélices nouvelles. <em>Revue Zoologique.</em> 5: 136–141., available online at https://biodiversitylibrary.org/page/14714665
page(s): 137 [details]
basis of record
Vermeulen, J.J. & Whitten, A.J. (1998). Guide to the land snails of Bali, 164. Leiden: Backhuys.
page(s): 110, fig. 106 [details] Available for editors [request]
additional source
Benthem Jutting, W. S. S. van. (1950). Systematic studies on the non-marine Mollusca of the Indo-Australian Archipelago. II Critical revision of the Javanese pulmonate landshells of the families Helicarionidae, Pleurodontidae, Fruticicolidae and Streptaxidae. <em>Treubia.</em> 20: 381-505., available online at http://e-journal.biologi.lipi.go.id/index.php/treubia/article/view/2634/2270
page(s): 430 [details] Available for editors [request]