Publication Gruner (1841): summary

Gruner, E.C.L. 1841. Einige neue Land- und Süsswasser-Conchylien. Archiv für Naturgeschichte 7(1): 276-278. https://www.biodiversitylibrary.org/page/9707159.

Unio delphinus Lea, 1840 = Hyriopsis bialata

(renamed Hyriopsis bialatus Simpson, 1900; homonym of Unio delphinus Spengler, 1793)
Lea, 1840. Proc. Amer. Phil. Soc. 1: 285.
Gruner, 1841. Arch. Naturg. 7(1): 276, pl. 11, figs. 1-1c.
‘Gruner’ Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 218, pl. 17, fig. 35.
LECTOTYPE [AS HOLOTYPE] USNM_83910 (by R.I. Johnson, 1974: 45), river Souzi, on the coast of Malacca.