| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Early Jurassic |
|
USSR(Caucasus) |
Scott,R.A. et al. How Old are the angiosperms? |
1960 |
| details |
Hauterivian |
Aptian |
England |
Hughes,N.F. Further interpretation of Eucommiidites Erdtman,1848 |
1960 |
| details |
Berriasian |
Albian |
England |
Hughes,N.F. A Search for angiosperm pollen in Lower Cretaceous Rocks. |
1959 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Nd |
|
Nd |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |