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Phthanoperidinium pannonium
| pannonium | |
| Nagy, E. (1969) | |
| Harker, S.D. and Sarjeant, W.A.S. (1975) | |
| illegitimate name | |
| pannonium | |
| Nagy, E. (1969) | |
| Harker, S.D. and Sarjeant, W.A.S. (1975) | |
| illegitimate name | |