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
van der Schalie, H. (1948). The land and fresh-water mollusks of Puerto Rico. <em>Museum of Zoology, University of Michigan, Miscellaneous Publications.</em> no. 70: 1-134. (Ann Arbor).
page(s): 36 [details] Available for editors [request]
additional source
Baker, H. B. (1928). North American Veronicellidae. <em>The Nautilus.</em> 42(2): 43-47., available online at https://www.biodiversitylibrary.org/page/8518820
page(s): 46-47 [details]
additional source
Shuttleworth, R. J. (1854). Beiträge zur näheren Kenntniss der Land- und Süsswasser-Mollusken der Insel Portorico. <em>Mittheilungen der Naturforschenden Gesellschaft in Bern.</em> 1854 (314/316): 33-56., available online at https://biodiversitylibrary.org/page/11231275
page(s): 34 [details]