original description
(of Helix polygyrata Born, 1778) Born, I. Von. (1778). Index rerum naturalium Musei Cæsarei Vindobonensis. Pars I.ma. Testacea. Verzeichniß der natürlichen Seltenheiten des k. k. Naturalien Cabinets zu Wien. Erster Theil. Schalthiere. [1-40], 1-458, [1-82]. Vindobonae [Vienna]; (Kraus)., available online at http://www.biodiversitylibrary.org/item/43890
page(s): 382 [details]
original description
(of Helix charybdis Mörch, 1852) Mörch, O. A. L. (1852-1853). <i>Catalogus conchyliorum quae reliquit D. Alphonso d'Aguirra & Gadea Comes de Yoldi, Regis Daniae Cubiculariorum Princeps, Ordinis Dannebrogici in Prima Classe & Ordinis Caroli Tertii Eques. Fasc. 1, Cephalophora</i>, 170 pp. [1852]; <i>Fasc. 2, Acephala, Annulata, Cirripedia, Echinodermata</i>, 74 [+2] pp. [1853]. Hafniae [Copenhagen]: L. Klein. , available online at http://www.biodiversitylibrary.org/bibliography/12921
page(s): 1: 170 [details]
basis of record
Breure, A. S. H. & Araujo, R. (2017). The Neotropical land snails (Mollusca, Gastropoda) collected by the “Comisión Científica del Pacífico.”. <em>PeerJ.</em> 5, e3065., available online at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5354113/#
page(s): 121, figs. 47D-47F [details]
additional source
Salvador, B. R.; Cavallari, D. C. (2020). Taxonomy and distribution of enigmatic “helicoid” Polygyratia Gray, 1847 (Gastropoda, Stylommatophora). <em>Zoosystematics and Evolution.</em> 96(1): 91-101., available online at https://doi.org/10.3897/zse.96.51047
page(s): 92, fig. 1, 2 [details]
additional source
Simone, L. R. L. (2006). <i>Land and Freshwater Molluscs of Brazil</i>. Editora Grafíca Bernardi, FAPESP. São Paulo, 390 pp.
page(s): 247 [details]
From editor or global species database
Type locality Not given [details]