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Palaeotetradinium paucispinum
| paucispinum | |
| Alberti, G. (1961) | |
| Stover, L.E. and Evitt, W.R. (1978) | |
| junior synonym | |
| paucispinum | |
| Alberti, G. (1961) | |
| Stover, L.E. and Evitt, W.R. (1978) | |
| junior synonym | |