Petasina unidentata
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order: Stylommatophora
- family: Hygromiidae
- genus: Petasina
- species: Petasina unidentata
- Neudörfl
Burgenland- Katzelsdorf
- Pitten
- Ramsau
- Reichenau an der Rax
- Schottwien
- Semmering
Lower Austria- Braunau am Inn
Upper Austria- Innerbraz
Vorarlberg
Austria- Aschau im Chiemgau
- Frasdorf
- Simbach am Inn
Bavaria
Germany