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): 124-125 [details]
original description
(of Helicina vernalis Morelet, 1849) Morelet, A. (1849). <i>Testacea novissima insulae Cubanae et Americae Centralis</i>, Pars I. Paris: Baillière. 31 pp. , available online at http://biodiversitylibrary.org/page/11485052
page(s): 20 [details]
original description
(of Helicina chiapensis L. Pfeiffer, 1856) Pfeiffer, L. (1856). Neue Mexicanische Landschnecken. <em>Malakozoologische Blätter.</em> 3: 229-237., available online at https://www.biodiversitylibrary.org/page/15865196
page(s): 237 [details]
original description
(of Helicina vernalis verapazensis A. J. Wagner, 1905) Wagner, A. J. (1905). Helicinenstudien, Monographie der genera <i>Palaeohelicina</i> A. J. Wagner und <i>Helicina</i> Lamarck. <em>Denkschriften der Kaiserlichen Akademie der Wissenschaften Mathematisch-Naturwissenschaftliche klasse.</em> 78: 203-248, plates 10-14., available online at https://www.biodiversitylibrary.org/page/7223800
page(s): 234, pl. XIII, fig. 14 [details]
original description
(of Helicina tenuis pittieri A. J. Wagner, 1910) Wagner, A. J. (1907-1911). Die Familie der Helicinidae. In: Küster, H. C. & Kobelt, W., Eds., Systematisches Conchylien-Cabinet von Martini und Chemnitz, Neue Folge. <em>Ersten Bandes, achtzehnte Abtheilung, zweiter Theil.</em> 1-72, pls 1-12 (1907), 73-160, pls 13-30 (1908), 161-248, pls 31-48 (1909), 249-328, pls 49-66 (1910), 329-391, pls 67-70 (1911). Nürnberg (Bauer & Raspe)., available online at https://biodiversitylibrary.org/page/52348872
page(s): 303-304, pl. 60, fig. 24 [details]
From editor or global species database