| protoperidinium leonis | | Japan: Hokkaido, Ishikari | | 61287155 |
| protoperidinium leonis | | Japan: Hokkaido, Ishikari | | 61287154 |
| protoperidinium leonis | | Japan: Hokkaido, Ishikari | | 61287153 |
| protoperidinium leonis | | Japan: Hokkaido, Ishikari | | 61287152 |
| protoperidinium leonis | | Japan: Hokkaido, Ishikari | | 61287150 |