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 (Retorquata) funcki costaricensis 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): 233, pl. XIII, fig. 12 a−c [details]
original description
(of Helicina funcki parvidens Pilsbry, 1920) Pilsbry, H. A. (1920). Costa Rican land and freshwater mollusks. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 72 (1): 2−10.
page(s): 3 [details]
additional source
Ancey, C. F. (1897). Note on two species of <i>Helicina</i>. <em>The Nautilus.</em> 11(8): 87., available online at https://www.biodiversitylibrary.org/page/1774586 [details]
From editor or global species database
Type locality San Yago, New Granada [details]
From editor or global species database