Romasphaera
- Citations total:
- 2
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| original | Aptian | Cenomanian | Australia(W.Australia) | Cookson,I.C. et al. Microplankton from Australian Mesozoic and Tertiary sediments. | 1974 |
| details | Nd | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |