Verrucatosporites undulatus
- Citations total:
- 2
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| details | Middle Oligocene | Late Oligocene | Romania | Petrescu,J. Paleobiology of the Oligocene forest of Northeast Rumania, according to palynological studies. | 1973 |
| details | Oligocene | Bulgaria | Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria | 1977 |