Savitrisporites robustus
- Citations total:
- 2
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| original | Namurian B | Westphalian A | Iowa | Ravn,R.L. et al. A Morrowan, (Upper Carboniferous), miospore flora from eastern Iowa, USA. | 1982 |
| details | Morrowan | Iowa | Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa | 1986 |