original description
Pfeiffer, L. (1849). Description of twenty-nine new species of <i>Helicina</i>, from the collection of H. Cuming, Esq. <em>Proceedings of the zoological Society of London.</em> 16 (187-188) [“1848”]: 119–125. London [25 April]., available online at https://www.biodiversitylibrary.org/page/12861983
page(s): 121 [details]
original description
(of Helicina barbata Guppy, 1864) Guppy, R. J. L. (1864). Descriptions of new species of fluviatile and terrestrial operculate Mollusca from Trinidad. <em>The Annals and Magazine of Natural History, 3rd series.</em> 14: 243-248., available online at https://www.biodiversitylibrary.org/page/15623690
page(s): 247-248 [details]
additional source
Rutherford, M. G. (2011). Land snails from the Five-Island Archipelago, north-west Trinidad, West Indies. <em>Living World, Journal of the Trinidad and Tobago Field Naturalists' Club.</em> 2011: 42-45. [details] Available for editors [request]
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]
additional source
Simpson, C. T. (1897). <i>Helicina dysoni</i>. <em>The Nautilus.</em> 11(2): 13-14., available online at https://www.biodiversitylibrary.org/page/1774656 [details]
source of synonymy
Smith, E. A. (1896). A list of the land and freshwater Mollusca of Trinidad. <em>Journal of Conchology.</em> 8: 231-251, pl. 8, London., available online at https://www.biodiversitylibrary.org/page/31980809#page/253/mode/1up
page(s): 250; note: With Helicina barbata Guppy, 1864 as a synonym [details]
From editor or global species database
Type locality Cumana, Honduras [details]
From editor or global species database
From other sources