| details |
Aptian |
|
Gabon |
Doyle,J.A. Evidence on the origin of Tricolpate pollen from the Lower Cretaceous of Equatorial Africa. |
1979 |
| details |
Aptian |
|
Gabon |
Doyle,J.A. et al. Noncolumellar monosulcate angiosperm pollen from the Lower Cretaceous of Africa. |
1979 |
| details |
Aptian |
|
Congo |
Doyle,J.A. et al. Noncolumellar monosulcate angiosperm pollen from the Lower Cretaceous of Africa. |
1979 |
| details |
Barremian |
Albian |
Texas |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |
| details |
Albian |
Cenomanian |
Maryland |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |