original description
(of Helix pacifica L. Pfeiffer, 1846) Pfeiffer, L. (1846). Symbolae ad historiam Heliceorum. Sectio tertia. 1–100. Cassellis: Th. Fischer [< 26 August]., available online at https://biodiversitylibrary.org/page/12254325
page(s): 66 [details]
original description
(of Guppya fultoni Gude, 1903) Gude, G. K. (1903). Descriptions of some new forms of helicoid land-shells. <em>Proceedings of the Malacological Society of London.</em> 5: 262-266., available online at https://www.biodiversitylibrary.org/page/15168611
page(s): 265, pl. 7, figs 18-20 [details]
original description
(of Guppya hopkinsi var. conulus E. von Martens, 1902) Martens, E. von. (1902). Über einige Schnecken der Cocosinsel. <em>Sitzungs-Berichte der Gesellschaft naturforschender Freunde zu Berlin.</em> 1902: 59-62., available online at https://www.biodiversitylibrary.org/page/7931213
page(s): 59 [details]
basis of record
Thompson, F. G. (2011). An annotated checklist and bibliography of the land and freshwater snails of México and Central America. <em>Florida Museum of Natural History Bulletin.</em> 50(1): 1-299. [details] Available for editors [request]
additional source
Miquel, S. E.; Herrera, H. W. (2014). Catalogue of terrestrial gastropods from Galápagos (except Bulimulidae and Succineidae) with description of a new species of <I>Ambrosiella</I> Odhner (Achatinellidae) (Mollusca: Gastropoda). <em>Archiv für Molluskenkunde.</em> 143(2): 107-133., available online at https://doi.org/10.1127/arch.moll/1869-0963/143/107-133
page(s): 118, fig. 28, map 7 [details] Available for editors [request]
From editor or global species database
Type locality Isla del Coco, Costa Rica [details]
From editor or global species database