Schopfipollenites signatus
- Citations total:
- 3
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| original | Guadalupian | Oklahoma | Wilson,L.R. Permian plant microfossils from the Flowerpot Formation, Greer Country, Oklahoma. | 1962 | |
| details | Permian | Oklahoma | Hart,G.F. The systematics and distribution of Permian miospores. | 1965 | |
| details | Desmoinesian | Iowa | Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa | 1986 |