Ullmannia bronnii
- Citations total:
- 2
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| details | Early Triassic | Russia(Vologda) | Krassilov,V.A. et al. Floristic evidence of transitional Permian - Triassic deposits of the Volga - Dvina Region. | 1999 | |
| details | Permian | Germany | Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. | 1995 |