Apiculatisporis concavus
- Citations total:
- 2
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| original | Stephanian A | Stephanian B | France(Tarn) | Pi-Radondy,M. et al. New spores of the Stephanian, (French Massif Central). | 1968 |
| details | Stephanian A | Stephanian B | France(Tarn) | Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa | 1986 |