Anodonta splendens katharinae Modell, 1950 † (original description)
Hyriopsis (Limnoscapha) bogatchevi Modell, 1950 † accepted as Limnoscapha bogatchevi (Modell, 1950) † (original description)
Margaritifera inaequiradiata f. hantkeni Modell, 1950 † accepted as Margaritifera hantkeni Modell, 1950 † (original description)
Palindonaia Modell, 1950 † (original description)
Palindonaia solandri emszti Modell, 1950 † (original description)
Potomida littoralis eyerdami Modell, 1950 † (original description)
Potomida loewenecki Modell, 1950 † (original description)
Potomida tanaica Modell, 1950 † (original description)
Sinanodonta subundata soosi Modell, 1950 † (original description)
Unio brusinaiformis Modell, 1950 † accepted as Pseudosturia brusinaiformis (Modell, 1950) † (original description)
Unio crassus jaeckeli Modell, 1950 † (original description)
Unio eseri stromeri Modell, 1950 † (original description)
Unio ullerichi Modell, 1950 † (original description)
Unio vectensis kormosi Modell, 1950 † accepted as Modellinaia vectensis kormosi (Modell, 1950) † (original description)
Vanderschaliea kolasii boeckhi Modell, 1950 † accepted as Alasmidonta (Vanderschaliea) kolasii boeckhi (Modell, 1950) † represented as Alasmidonta kolasii boeckhi (Modell, 1950) † (original description)