Reeve, L. A. (1864-1865). Monograph of the genus
Unio. In:
Conchologica Iconica, or, illustrations of the shells of molluscous animals. 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”].