| details |
Nd |
|
Nd |
Kurmann,M.H. et al. Pollen morphological diversity in extant and fossil gymnosperms. (In: Ultrastructure of Fossil Spores and Pollen. M.H.Kurmann and J.A.Doyle, editors) |
1994 |
| details |
Missourian |
|
Kansas |
Clendening,J.A. Palynology of the Bonner Springs Shale (Missourian, Upper Pennsylvanian) of Johnson County, Kansas. |
1977 |
| original |
Missourian |
|
Kansas |
Clendening,J.A. et al. Nanoxanthiopollenites, a new monolete miospore from the Upper Pennsylvanian of Kansas. |
1976 |
| details |
Carboniferous |
|
Nd |
Millay,M.A. et al. Paleozoic seed fern pollen organs. |
1979 |