MolluscaBase taxon details
original description
(of Helix ortoni Crosse, 1871) Crosse, H. (1871). Diagnoses Molluscorum novorum. <em>Journal de Conchyliologie.</em> 19 (3): 226-229., available online at https://www.biodiversitylibrary.org/page/15136247 page(s): 227 [details]
basis of record
Ramírez, R.; Paredes, C.; Arenas, J. (2003). Moluscos del Perú. <em>Revista de Biologia Tropical.</em> 51(supplement 3): 225-284. page(s): 276 [details] Available for editors [request]
additional source
Breure, A. S. H., Roosen, M. T. & Ablett, J. D. (2022). Land and freshwater molluscs of mainland Ecuador: an illustrated checklist. <em>Iberus.</em> 40(1): 1-290. page(s): 110, 112, figs. 141, 147 [details]
From editor or global species database
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