Deltoidospora sullivanii
- Citations total:
- 2
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| original | Early Permian | Middle Permian | Congo | Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa | 1986 |
| original | Late Visean | England(Gloucestershire) | Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa | 1986 |