original description
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 at https://www.biodiversitylibrary.org/page/22193096
page(s): 260, pl. 10, fig. 4 [details]
additional source
Crosse, H. (1890). Faune malacologique terrestre et fluviatile de l'Ile de la Trinité (Antilles). <em>Journal de Conchyliologie.</em> 38: 35-65, pl. 2. Paris., available online at https://www.biodiversitylibrary.org/page/15928526#page/41/
page(s): 59, pl. 2, fig. 10 [details]
additional source
Guppy, R. J. L. (1872). Third series of additions to the catalogue of the land and freshwater Mollusca of Trinidad: with a revised list of all the species. <em>Proceedings of the Scientific Association of Trinidad.</em> 2(1): 17-25., available online at https://www.biodiversitylibrary.org/page/54077973
page(s): 25 [details]
additional source
Guppy, R. J. L. (1875). On the occurrence of <i>Helix coactiliata</i> in Trinidad; with remarks on the distribution of the land and freshwater Mollusca of that island. <em>Proceedings of the Zoological Society of London.</em> 1875: 318-322., available online at https://www.biodiversitylibrary.org/page/28501545
page(s): 321 [details]
additional source
Guppy, R. J. L. (1875). A list of the land and freshwater shells of Trinidad, showing the distribution of the species. <em>The Quarterly Journal of Conchology.</em> 1(7): 109-110., available online at https://www.biodiversitylibrary.org/page/16283512
page(s): 110 [details]
additional source
Guppy, R. J. L. (1886). Remarks on the occurrence of <i>Diplommatina</i> in Trinidad. <em>Annals and Magazine of Natural History, 5th series.</em> 17(100): 385-386., available online at https://www.biodiversitylibrary.org/page/15688926
page(s): 386 [details]
additional source
Guppy, R. J. L. (1893). The land and freshwater Mollusca of Trinidad. <em>Journal of Conchology.</em> 7: 210-231., available online at https://www.biodiversitylibrary.org/page/31573704
page(s): 228 [details]
additional source
Bland, T. (1869). Notes on the land-shells of Trinidad, Grenada and Dominica, and also of Curacao and Buen Ayre, W. I. <em>American Journal of Conchology.</em> 4(4): 177-192., available online at https://www.biodiversitylibrary.org/page/16070286
page(s): 179 [details]
source of synonymy
Richling, I. (2004). Classification of the Helicinidae: Review of morphological characteristics based on a revision of the Costa Rican species and application to the arrangement of the Central American mainland taxa (Mollusca: Gastropoda: Neritopsina). <em>Malacologia.</em> 45(2): 195-440., available online at https://biodiversitylibrary.org/page/25129581
page(s): 379 [details]
From editor or global species database
Type locality the rocky islets called the Cotoras, in the Gulf of Paria, Trinidad [details]
From editor or global species database