Calamospora nebulosa
- Citations total:
- 3
link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
---|---|---|---|---|---|
original | Pennsylvanian | Iowa | Ravn,R.L. An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa. | 1979 | |
details | Westphalian A | Westphalian B | Europe | Butterworth,M.A. Upper Carboniferous. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) | 1984 |
details | Morrowan | Desmoinesian | Iowa | Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa | 1986 |