Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio crassus
(intro'd as intra-sp. of Unio reniformis Rossmässler, 1836)
Schlüter, 1838. Kurzgef. Syst. Verz. Conch. Samml.: 32. [infra-subsp.]
= Mysca reniformis subvar. kokeilli — Schlüter, 1838: 32.