original description(ofUnio vellicatus Reeve, 1865)Reeve, L. A. (1864-1865). Monograph of the genus <i>Unio</i>. In: <i>Conchologica Iconica, or, illustrations of the shells of molluscous animals</i>. Vol. 16: pls 2-30 [stated dates: pls. 2-13, Aug. 1864; 14, Sept. 1864; 15-18, Nov. 1864; 19, 20, Jan. 1865; 21-25, Apr. 1865; 26-30, Jun. 1865 [pl. 30 as “1856”]., available online athttps://www.biodiversitylibrary.org/page/9133051 page(s): pl. 22, sp. 103 [details]
basis of recordGraf, D.; Cummings, K. (2019). Musselp database: The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves). , available online athttp://mussel-project.uwsp.edu/[details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Distribution Mexico to Guatemala [details] Type locality Guatemala, Lake d’Yzabal [details]