Haas, F. 1912. Die geographische Verbreitung der westdeutschen Najaden. Verhandlungen des naturhistorischen Vereins der preussischen Rheinlande 68: 505-528. https://www.zobodat.at/pdf/Verh-nathist-Ver-preuss-Rheinlande_68_0505-0528.pdf.
(intro'd as intra-sp. of Unio crassus Philipsson in Retzius, 1788)
Haas, 1912. Verh. Naturhist. Ver. Preuß. Rheinl. 68: 527, pl. 6, fig. 20.
HOLOTYPE SMF 4389, Hatfeld, Germany.
(intro'd as intra-sp. of Mya batava Maton & Rackett, 1807)
Haas, 1912. Verh. Naturhist. Ver. Preuß. Rheinl. 68: 526, pl. 4, fig. 2.
HOLOTYPE SMF 11001, Modau River, Germany.
(intro'd as intra-sp. of Mya batava Maton & Rackett, 1807)
Haas, 1912. Verh. Naturhist. Ver. Preuß. Rheinl. 68: 525, pl. 4, fig. 3.
HOLOTYPE SMF 11003, Queich River, near Germersheim, Germany.
(intro'd as intra-sp. of Mya batava Maton & Rackett, 1807)
Haas, 1912. Verh. Naturhist. Ver. Preuß. Rheinl. 68: 526, pl. 4, fig. 9.
HOLOTYPE SMF 11005, Gersprenz River, near Ohlenbach, Germany.