Gruner, E.C.L. 1841. Einige neue Land- und Süsswasser-Conchylien. Archiv für Naturgeschichte 7(1): 276-278. Available electronically.

Gruner, 1841. Arch. Naturg. 7(1): 276, pl. 11, figs. 1-1c.
(renamed Hyriopsis bialatus Simpson, 1900; homonym of Unio delphinus Spengler, 1793)
Type(s): TYPE USNM_83910, New Holland.