MolluscaBase name details
original description
(of Onchidium occidentale Guilding, 1824) Guilding L. (1824). Description of a new species of <i>Onchidium</i>. <em>Transactions of the Linnean Society of London.</em> 14(2): 322-324, pl. 9., available online at https://www.biodiversitylibrary.org/page/2358361
page(s): 323, pl. 9, figs. 9-12 [details]
basis of record
Breure, A. S. H., Roosen, M. T. & Ablett, J. D. (2022). Land and freshwater molluscs of mainland Ecuador: an illustrated checklist. <em>Iberus.</em> 40(1): 1-290.
page(s): 84, fig. 103 [details]