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    Ovoidinium fragile
                    | fragile | |
| Norvick, M.S. and Burger, D. (1976) | |
| Norvick, M.S. and Burger, D. (1976) | |
| questionably active | |
| fragile | |
| Norvick, M.S. and Burger, D. (1976) | |
| Norvick, M.S. and Burger, D. (1976) | |
| questionably active | |