Check-lists
* List of countries might not be complete
Links and literature
[1] Stephan Gollasch and Stefan Nehring (2006): National checklist for aquatic alien species in Germany, Aquatic invasions, Volume 1, Issue 4: 245-269 [as Ensis americanus (Binney, 1870)]
Stephan Gollasch and Stefan Nehring (2006): National checklist for aquatic alien species in Germany, Aquatic invasions, Volume 1, Issue 4: 245-269 [as Ensis americanus (Binney, 1870)]