original description
(of Unio expansus Küster, 1856) Küster, H. C. (1839-1862). Die Flussperlmuscheln (<i>Unio et Hyria</i>). In Abbildungen nach der Natur mit Beschreibungen. In: <i>Systematisches Conchylien-Cabinet von Martini und Chemnitz</i>, Bd 9(2): 1-318, pls 1-100, 18*. Published in parts: pls 6, 10-11 (1839); pls 14-16 (1842); 1-40, pls 1-2, 5, 7, 13-25 (1848); 41-64, pls 8, 9, 12, 17, 23-24 (1852); 65-88, pls 18-22, 18* (1853); 89-120, pls 27-32 (1854); 121-136, pls 33-44 (1855); 137-160, pls 45-54 (1856); pls 61-66 (1857); pls 55-60, 67-71, 77 (1860); 161-256, pls 72-76, 78-83, 85-88 (1861); 257-318, pls 84, 89-100 (1862). <em>Systematisches Conchylien-Cabinet.</em> 9(2): 161-256, plates 72, 75-76, 78-83, 85-88., available online at https://biodiversitylibrary.org/page/11915196
page(s): 149, pl. 43, fig. 5. [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 [details] Available for editors [request]
From editor or global species database
Type locality Brazil, Rio Conigo near Neu-Freiburg [details]