Guppy, R. J. L. (1867). Description of a new land-shell from Trinidad. <em>The Annals and Magazine of Natural History, 3rd Series.</em> 19: 260, pl. 10, fig. 4., available online athttps://www.biodiversitylibrary.org/page/22193096[details]
original descriptionGuppy, R. J. L. (1867). Description of a new land-shell from Trinidad. <em>The Annals and Magazine of Natural History, 3rd Series.</em> 19: 260, pl. 10, fig. 4., available online athttps://www.biodiversitylibrary.org/page/22193096[details]
additional sourceGuppy, R. J. L. (1867). Additions to the catalogue of the land and freshwater Mollusca of Trinidad. <em>Proceedings of the Scientific Association of Trinidad.</em> 1(2): 135-137., available online athttps://www.biodiversitylibrary.org/page/54074967 page(s): 136 [details]
additional sourceGuppy, R. J. L. (1895). On a landshell of the genus <i>Helicina</i> from Grenada and on the classification of the Helicinidae. <em>Proceedings of the Victoria Institute of Trinidad.</em> Pt. 2: 72-77., available online athttps://www.biodiversitylibrary.org/page/54372350 page(s): 74 [details]
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