| belarus | | leucochloridium paradoxum | species | 3 | 0 |
| czech republic | zlin region | leucochloridium paradoxum | species | 24 | 0 |
| japan | hokkaido prefecture | leucochloridium paradoxum | species | 8 | 0 |
| russia | | leucochloridium paradoxum | species | 24 | 0 |
| russia | leningrad oblast | leucochloridium paradoxum | species | 0 | 2 |