Convolutispora papillosa
- Citations total:
- 3
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| details | Morrowan | Iowa | Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa | 1986 | |
| details | Early Permian | China(Kansu) | Du,B.-A. Sporo-pollen assemblage from Sansi Formation of Pingliang, Gansu and its geological age. | 1986 | |
| details | Namurian | Westphalian | North Sea | Butterworth,M.A. et al. Miospores from the Westphalian A and B of northern England | 1988 |