MolluscaBase taxon details
original description
(of Helix subplicata G. B. Sowerby I, 1824) Sowerby, G. B. I. (1824). Descriptions, accompanied by figures, of several Helices, discovered by T. E. Bowdich, Esq. at Porto Santo. <em>Zoological Journal.</em> 1: 56-58 [March]., available online at https://www.biodiversitylibrary.org/page/27570783
page(s): 56, pl. 3, fig. 1 [details]
original description
(of Helix defuncta Mabille, 1883) Mabille, J. (1883). Diagnoses testarum novarum. <em>Bulletin de la Société Philomathique de Paris.</em> ser. 7, 7(3): 115-132., available online at https://www.biodiversitylibrary.org/page/31636649
page(s): 129 [details]
basis of record
Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16th, 2017. [details]
additional source
Cameron, R. A. D., Teixeira, D., Pokryszko, B., Silva, I. & Groh, K. (2021). An annotated checklist of the extant and Quaternary land molluscs of the Desertas Islands, Madeiran Archipelago. <em>Journal of Conchology.</em> 44(1): 53-70.
page(s): 68 [details] Available for editors [request]