| details |
Nd |
|
Nd |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Mesozoic |
|
Nd |
Frederiksen,N.O. Significance of monosulcate pollen abundance in Mesozoic sediments. |
1980 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Middle Jurassic |
|
England |
Couper,R.A. Supposedly Colpate pollen grains from the Jurassic |
1955 |
| details |
Jurassic |
|
Nd |
Scott,R.A. et al. How Old are the angiosperms? |
1960 |
| original |
Early Senonian |
|
E.Germany |
Pflug,H.D. Origin and development of the angiosperm pollen in earth history |
1953 |
| details |
Rhaetian |
|
Luxembourg |
Schuurman,W.M.L. Aspects of Late Triassic palynology. 2. Palynology of the Greset Schiste a Avicula Contorta" and Argiles de Levallois" (Rhatian) of Northeastern France and Southern Luxemburg. |
1977 |
| details |
Rhaetian |
|
France(Lorraine) |
Schuurman,W.M.L. Aspects of Late Triassic palynology. 2. Palynology of the Greset Schiste a Avicula Contorta" and Argiles de Levallois" (Rhatian) of Northeastern France and Southern Luxemburg. |
1977 |