MolluscaBase taxon details
original description
(of Helix plagioptycha Shuttleworth, 1854) 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): 37-38 [details]
original description
(of Helix ierensis Guppy, 1868) Guppy, R. J. L. (1868). Further additions to the catalogue of the land and freshwater Molluska of Trinidad. <em>Proceedings of the Scientific Association of Trinidad.</em> 1(5):237-245., available online at https://www.biodiversitylibrary.org/page/54075248#page/305/
page(s): 242 [details]
basis of record
Thompson, F. G. (2011). An annotated checklist and bibliography of the land and freshwater snails of México and Central America. <em>Florida Museum of Natural History Bulletin.</em> 50(1): 1-299. [details] Available for editors [request]
additional source
Espinosa, J. A. & Robinson, D. G. (2021). Annotated checklist of the terrestrial mollusks (Mollusca: Gastropoda) from Hispaniola Island. <em>Novitates Caribaea.</em> 17: 71–146., available online at http://www.novitatescaribaea.do/index.php/novitates/article/view/250
page(s): 129 [details] Available for editors [request]