| original |
Early Eocene |
|
Arkansas |
Jones,E.L. Plant microfossils of the Laminated sediments of the Lower Eocene Wilcox Group in South-Central Arkansas. |
1961 |
| original |
Induan |
|
USSR(Urals) |
Tuzhikova,V.I. Miospores and stratigraphy of supporting sections of the Uralian Triassic. (Lower Triassic - Upper Permian Boundary) |
1985 |
| original |
Early Jurassic |
|
China(Sinkiang Uighur) |
Lu,Z. Jurassic sporopollen assemblages from the Beishan Coal-Field, Qitai Xinjiang |
1993 |
| original |
Aptian |
|
Argentina(Patagonia) |
Vallati,P. A microflora with Afropollis (angiosperm pollen) from the Lower Cretaceous of the Neuquen Basin. |
1995 |