original description
Schumacher, C. F. (1817). Essai d'un nouveau système des habitations des vers testacés. <em>Schultz, Copenghagen.</em> iv + 288 pp., 22 pls., available online at http://www.biodiversitylibrary.org/item/81329
page(s): 139, pl. 11 fig. 2 [details]
original description
(of Unio ortonii I. Lea, 1868) Lea, I. (1868). Description of two new species of Unionidae from Equador. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 20: 161-162 [after 30 June 1868, before 2 December 1868]., available online at https://biodiversitylibrary.org/page/9768310
page(s): 161 [details]
original description
(of Hyria castelnaudii Hupé, 1857) Hupé, H. (1857). <i>Animaux nouveaux ou rares recueillis pendant l'expédition dans les parties centrales de l'Amérique du sud, de Rio de Janeiro à Lima et de Lima à Para; par ordre du gourvernement français pendant les années 1843 à 1847, sous la direction du Comte Francis de Castelnau. Mollusques</i>. P. Bertrand, Paris, 96 pp., 20 pls. , available online at https://www.biodiversitylibrary.org/page/10826455
page(s): 81, pl. 16 fig. 1 [details]
additional source
Pereira, D.; Mansur, M. C. D.; Duarte, L. D. S.; De Oliveira, A. S.; Pimpão, D. M.; Callil, C. T.; Ituarte, C.; Parada, E.; Peredo, S.; Darrigran, G.; Scarabino, F.; Clavijo, C.; Lara, G.; Miyahira, I. C.; Rodriguez, M. T. R.; Lasso, C. (2014). Bivalve distribution in hydrographic regions in South America: historical overview and conservation. <em>Hydrobiologia.</em> 735:15–44., available online at https://doi.org/10.1007/s10750-013-1639-x [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): 238, figs. 321, 327 [details]
From editor or global species database
Distribution Amazon Basin in Brazil and Peru, north to Venezuela and the Guayanas [details]