| details |
Nd |
|
Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Late Chesterian |
|
Texas |
Felix,C.J. et al. Pteroretis, a new Mississippian spore genus. |
1961 |
| details |
Late Chesterian |
|
Oklahoma |
Felix,C.J. et al. Pteroretis, a new Mississippian spore genus. |
1961 |
| details |
Late Chesterian |
|
North America |
Hoffmeister,W.S. et al. Geologic range of Paleozoic plant spores in North America |
1955 |
| details |
Nd |
|
Nd |
Smith,A.H.V. et al. Miospores in the coal seams of the Carboniferous of Great Britain. |
1967 |
| details |
Nd |
|
Nd |
Pashkevich,N.G. Morphological classification of dispersed fossil spores. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |