Graf, D.L. & K.S. Cummings. 2007. Review of the systematics and global diversity of freshwater mussel species (Bivalvia: Unionoida). Journal of Molluscan Studies 73: 291-314. https://doi.org/10.1093/mollus/eym029.
+ Unio trigonus Lea, 1831
+ Unio delphinus Gruner, 1841
+ Monocondyloea mardinensis Lea, 1865
+ Unio heros Say, 1829
+ Obovaria torsa Rafinesque, 1820
+ Unio multidentatus Philippi, 1847
+ Unio gravidus Lea, 1856
+ Pleiodon macmurtriei Conrad, 1834