Umbonatisporites implanus
- Citations total:
- 2
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| details | Visean | Australia(W.Australia) | Playford,G. Trilete spores of Umbonatisporites in the Lower Carboniferous of Northwestern Australia | 1972 | |
| details | Cretaceous | Poland | Playford,G. Trilete spores of Umbonatisporites in the Lower Carboniferous of Northwestern Australia | 1972 |