MolluscaBase taxon details
original description
(of Opeas heurni Vernhout, 1914) Vernhout, J. H. (1914). The non-marine molluscs of Surinam. <em>Notes from the Leyden Museum.</em> 36: 1-46, pls. 1-2., available online at https://www.biodiversitylibrary.org/page/14021311
page(s): 19, 40, 43, pl. 1, fig. 9 [details]
basis of record
Massemin D., Lamy D., Pointier J.P. & Gargominy O. (2009). <i>Coquillages et escargots de Guyane</i>. Mèze: Biotope. 456 pp. [details]