Spackmanites irregularis
- Citations total:
- 2
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| original | Desmoinesian | Iowa | Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa | 1986 | |
| details | Early Westphalian D | Middle Westphalian D | Saudi Arabia | Owens,B. et al. Late Westphalian palynomorphs from northern Saudi Arabia. (In: Palaeozoic Palynostratigraphy of the Kingdom of Saudi Arabia. B.Owens et al, editors) | 1995 |