MolluscaBase taxon details
original description
(of Helix bactricola Guppy, 1868) Guppy, R. J. L. (1868). On the terrestrial mollusks of Dominica and Grenada, with an account of some new species from Trinidad. <em>Annals and Magazine of Natural History.</em> (4) 1: 429-442., available online at https://biodiversitylibrary.org/page/22248819 page(s): 440-441 [details]
basis of record
Robinson, D. G., Fields, A. & Zimmerman, F. J. (2004). The terrestrial malacofauna of Trinidad and Tobago. <em>Interim report.</em> 1-21. page(s): 15 [details] Available for editors [request]
additional source
Baker, H. B. (1925). The Mollusca collected by the University of Michigan-Williamson Expedition in Venezuela, Part III: Pupillidae to Oleacinidae. <em>Occasional Papers of the Museum of Zoology, University of Michigan.</em> 156: 1-56, pls. 6-11., available online at https://deepblue.lib.umich.edu/bitstream/handle/2027.42/56595/OP156.pdf?sequence=1&isAllowed=y page(s): 4-5, pl. 7, fig. 30 [details]
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