Haas, F. 1911. Verh. Naturhist. Ver. Preuß. Rheinl. 68.
Haas, 1911. Verh. Naturhist. Ver. Preuß. Rheinl. 68: 527, pl. 6, fig. 20.
(intro'd as intra-sp. of Unio crassus Philipsson in Retzius, 1788)
Haas, 1911. Verh. Naturhist. Ver. Preuß. Rheinl. 68: 526, pl. 4, fig. 2.
(intro'd as intra-sp. of Mya batava Maton & Rackett, 1807)
Haas, 1911. Verh. Naturhist. Ver. Preuß. Rheinl. 68: 525, pl. 4, fig. 3.
(intro'd as intra-sp. of Mya batava Maton & Rackett, 1807)
Haas, 1911. Verh. Naturhist. Ver. Preuß. Rheinl. 68: 526, pl. 4, fig. 9.
(intro'd as intra-sp. of Mya batava Maton & Rackett, 1807)