Oxroadia gracilis
- Citations total:
- 2
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| details | Carboniferous | Scotland | Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. | 1995 | |
| details | Pennsylvanian | USA(Mid-Continent) | Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. | 1996 |