Protohaploxypinus sp.A Clen.,1974
- Citations total:
- 2
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| original | Gearyan | Kansas | Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. | 1974 | |
| original | Virgilian | Early Wolfcampian | Texas | Pashuck,R.J. et al. Palynological zones of the Wichita Group of North Central Texas and their correlation with the Gearyan Stage of Kansas and Dunkard Group of West Virginia. | 1979 |