Unio altecarinatus Penecke, 1883 † accepted as Psilunio altecarinatus (Penecke, 1883) † (original description)
Unio bittneri Penecke, 1883 † accepted as Unio hoernesi Penecke, 1883 † (original description)
Unio brusinai Penecke, 1883 † accepted as Unio nicolaianus Brusina, 1874 † (original description)
Unio fuchsi Penecke, 1883 † accepted as Hyriopsis fuchsi (Penecke, 1883) † (original description)
Unio haeckeli Penecke, 1883 † (original description)
Unio hilberi Penecke, 1883 † accepted as Unio kukuljevici Brusina, 1878 † (original description)
Unio hoernesi Penecke, 1883 † (original description)
Unio mojsvari Penecke, 1883 † accepted as Rugunio mojsvari (Penecke, 1883) † (original description)
Unio neumayri Penecke, 1883 † accepted as Psilunio jurisici (Brusina, 1896) † (original description)
Unio novskaensis Penecke, 1883 † accepted as Potomida slavonica (M. Hörnes, 1864) † (original description)
Unio ottiliae Penecke, 1883 † accepted as Psilunio (Psilunio) ottiliae (Penecke, 1883) † represented as Psilunio ottiliae (Penecke, 1883) † (original description)
Unio partschi Penecke, 1883 † (original description)
Unio petersi Penecke, 1883 † accepted as Unio thalassinus Brusina, 1874 † (original description)
Unio porumbarui Penecke, 1883 † accepted as Cuneopsidea oriovacensis (M. Hörnes, 1864) † (original description)
Unio recurrens Penecke, 1883 † (original description)
Unio sibinensis Penecke, 1883 † accepted as Psilunio sibinensis (Penecke, 1883) † (original description)
Unio subthalassinus Penecke, 1883 † accepted as Unio thalassinus Brusina, 1874 † (original description)
Unio wilhelmi Penecke, 1883 † accepted as Potomida wilhelmi (Penecke, 1883) † (original description)
Unio zitteli Penecke, 1883 † accepted as Cuneopsidea zitteli (Penecke, 1883) † (original description)

Croatia for Unio altecarinatus Penecke, 1883 † 
Croatia for Unio bittneri Penecke, 1883 † 
Croatia for Unio brusinai Penecke, 1883 † 
Croatia for Unio fuchsi Penecke, 1883 † 
Croatia for Unio haeckeli Penecke, 1883 † 
Croatia for Unio hilberi Penecke, 1883 † 
Croatia for Unio hoernesi Penecke, 1883 † 
Croatia for Unio mojsvari Penecke, 1883 † 
Croatia for Unio neumayri Penecke, 1883 † 
Croatia for Unio novskaensis Penecke, 1883 † 
Croatia for Unio ottiliae Penecke, 1883 † 
Croatia for Unio partschi Penecke, 1883 † 
Croatia for Unio petersi Penecke, 1883 † 
Croatia for Unio porumbarui Penecke, 1883 † 
Croatia for Unio recurrens Penecke, 1883 † 
Croatia for Unio sibinensis Penecke, 1883 † 
Croatia for Unio subthalassinus Penecke, 1883 † 
Croatia for Unio wilhelmi Penecke, 1883 † 
Romania for Unio zitteli Penecke, 1883 † 

 Type locality

 for Unio altecarinatus Penecke, 1883 †

Malino, Croatia; late Cernikian (V. sturi-horizon), late Pliocene [details]

 Type locality

 for Unio haeckeli Penecke, 1883 †

"Sibin" [Sibinj], Slavonia, Croatia [details]

 Type locality

 for Unio mojsvari Penecke, 1883 †

Sibin [= Sibinj] and Malino, Croatia [details]

 Type locality

 for Unio ottiliae Penecke, 1883 †

Repušnica, Croatia [details]

 Type locality

 for Unio partschi Penecke, 1883 †

Malino, Croatia [details]

 Type locality

 for Unio petersi Penecke, 1883 †

Repušnica, Croatia [details]

 Type locality

 for Unio recurrens Penecke, 1883 †

Novska, Croatia [details]

 Type locality

 for Unio sibinensis Penecke, 1883 †

Sibin [= Sibinj] and Malino, Croatia [details]

 Type locality

 for Unio wilhelmi Penecke, 1883 †

Novska, Croatia [details]

 Type locality

 for Unio zitteli Penecke, 1883 †

Sibin [= Sibinj], Croatia [details]