| details |
Nd |
|
Nd |
Jux,U. A study of the cyst Pleurozonaria O. Wetzel, 1933. |
1970 |
| details |
Devonian |
Mississippian |
Oklahoma |
Sullivan,K.L. Organic facies variation of the Woodford Shale in Western Oklahoma. |
1985 |
| details |
Nd |
|
Nd |
Pflug,H.D. et al. On the evolution of the eukaryotic phytoplankton in the Riphean: New evidence from the Beltian Series of North America. |
1988 |
| details |
Late Carboniferous |
Early Permian |
Australia(Tasmania) |
Revill,A.T. et al. Hydrocarbon biomarkers, thermal maturity and depositional setting of Tasmanite Oil Shales from Tasmania, Australia |
1994 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. et al. Dinoflagellates, fossil and modern: certain unresolved problems. |
1999 |
| details |
Ashgillian |
|
Poland |
Kremer,B. Acritarchs from the Upper Ordovician of southern Holy Cross Mountains, Poland. |
2001 |