| original |
Neocomian |
Aptian |
Maryland |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1962 |
| original |
Early Cretaceous |
|
Maryland |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1963 |
| details |
Early Cretaceous |
|
Maryland |
Brenner,G.J. Palynological analysis of selected samples taken from wells contained in the correlation cross-section of southern Maryland. (In: Geophysical Log Cross Section Network of Cretaceous Sediments of South Maryland. H.J.Hansen, editor) |
1968 |
| details |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its lithological equivalents in central and west-central Alberta, Canada. |
1968 |
| details |
Barremian |
Early Albian |
USA(Atlantic Coast.Pl.) |
Scott,R.A. et al. Palynomorph biostratigraphy. |
1977 |
| details |
Barremian |
Aptian |
Spain |
Doubinger,J. et al. A Barremian microflora in the Province of Valencia, Spain. |
1981 |
| details |
Hauterivian |
Early Barremian |
Spain |
Mas,J.R. The Lower Cretaceous of Northwestern Valencia |
1981 |
| details |
Aptian |
|
Canada(Nova Scotia) |
Davies,E.H. et al. Early Cretacous deposits in the Gays River Lead-Zinc Mine, Nova Scotia. |
1984 |
| details |
Early Cretaceous |
|
China(N.China) |
Miao,S. et al. Spores and pollen. Mesozoic spores and pollen. (In: Paleontological Atlas of North China.III.Micropaleontological Volume.) |
1984 |
| details |
Barremian |
Early Albian |
China(Hopei) |
Gan,Z.-B. et al. Early Cretaceous palynology in northern Hebei |
1985 |
| details |
Late Aptian |
|
Canada(Alberta) |
Davies,E.H. Appendix 2; Palynology. (In: Some aspects of Lower Mannville sedimentation in Southern Alberta -I.Banerjee) |
1990 |