Theodoxus danubialis
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order: Cycloneritimorpha
- family: Neritidae
- genus: Theodoxus
- species: Theodoxus danubialis
Bad Deutsch-Altenburg
Himberg
Langenzersdorf
Lanzendorf
Marchegg
Lower Austria
Austria
Lappersdorf
Regensburg
Bavaria
Germany
Limone sul Garda
Siviano
Tavernola Bergamasca
Lombardy
Italy
Celje
Celje
Slovenia
Otočac