MolluscaBase taxon details
original description
(of Unio parallelopipedon I. Lea, 1834) Lea, I. (1834). Observations on the naïades; and descriptions of new species of that, and other families. <em>Transactions of the American Philosophical Society.</em> (NS) 5: 23-119, pls 1-19 [August or September 1834]., available online at http://biodiversitylibrary.org/page/35957690 page(s): 60 [172], pl. 8, fig. 20 [details]
original description
(of Unio trifidus) Lea I. (1860). Descriptions of four new species of Unionidæ from Brazil and Buenos Ayres. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 12: 89-90 [after 27 March 1860]., available online at https://biodiversitylibrary.org/page/26297236 page(s): 89 [details]
original description
(of Unio acutirostris I. Lea, 1866) Lea I. (1866). Description of twelve new species of Unionidæ from South America. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 18: 33-35 [after 27 March 1866, before 11 June 1866]., available online at https://biodiversitylibrary.org/page/1861499 page(s): 34 [details]
basis of record
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 page(s): 24 [details] Available for editors [request]
additional source
Graf, D.; Cummings, K. (2019). Musselp database: The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves). , available online at http://mussel-project.uwsp.edu/ [details]
From editor or global species database
Distribution South America, widespread in the Paraná System and coastal Uruguay [details]
Type locality Argentina, Paraná R., Prov. Corrientes [details]
From editor or global species database
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