Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio crassus
‘Ziegl.’ Schlüter, 1838. Kurzgef. Syst. Verz. Conch. Samml.: 33. [infra-subsp.]
(intro'd as intra-sp. of Unio fusculus Rossmässler, 1836)
= Mysca batava var. fuscula subvar. pallipes (Ziegl.) — Schlüter, 1838: 33.