This snail has been introduced to Australia and Europe.

The non-indigenous distribution of Pseudosuccinea columella includes:
western USA (distribution map in the USA)
Puerto Rico
Venezuela
Brazil: Rio Grande do Sul
Argentina
Australia
South Africa – since 1942
other countries in Africa
Pacific islands
Europe:
Switzerland (Basel)
Austria (Villach)
Hungary
Greece (Nómos Florina)
Menorca (a Spanish island)
France – in the wild
Portugal, Madeira Island – in the wild
Czech Republic as a "hothouse alien"
Latvia as a "hothouse alien"
This snail has been introduced to Australia and Europe.
The non-indigenous distribution of Pseudosuccinea columella includes:
western USA (distribution map in the USA)
Puerto Rico
Venezuela
Brazil: Rio Grande do Sul
Argentina
Australia
South Africa – since 1942
other countries in Africa
Pacific islands
Europe:
Switzerland (Basel)
Austria (Villach)
Hungary
Greece (Nómos Florina)
Menorca (a Spanish island)
France – in the wild
Portugal, Madeira Island – in the wild
Czech Republic as a "hothouse alien"
Latvia as a "hothouse alien"
Pseudosuccinea columella