Ephedroid pollen sp. Osbo.et al,1993
- Citations total:
- 2
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| original | Aptian | Albian | Brazil(Pernambuco) | Osborn,J.M. et al. The ultrastructure of fossil Ephedroid pollen with Gnetalean affinites from the Lower Cretaceous of Brazil. | 1993 |
| original | Aptian | Albian | Brazil(Pernambuco) | Kedves,M. Tranmission Electron Microscopy of the Fossil Gymnosperm Exines. | 1994 |