| Strain No. | Species | Origin | |
|---|---|---|---|
| K-0962 | Peridinium willei | Unknown | |
| K-1611 | Peridinium volzii | Lac de Thorenc, France, Unknown | |
| K-1721 | Peridinium cinctum | Bränskär, Tvärminne (rockpool), Finland, Unknown | |
| K-1828 | Peridinium bipes | Horsekær, Tibirke, Denmark, Unknown | |
| K-1898 | Peridinium cinctum | Kuyavian-Pomeranian, Wloclawek, Chodecz, Lake Chodeckie, Poland, Unknown | |
| NIVA-1/13 | Peridinium cinctum | Kindrogan Pond, near Enochdu, Scotland, Unknown |