| details |
Late Albian |
|
Kansas |
Ward,J.V. Early Cretaceous angiosperm pollen from the Cheyenne and Kiowa Formations, (Albian) of Kansas, USA. |
1986 |
| details |
Middle Albian |
Late Albian |
China(Inner Mongolia) |
Wang,X.-F. et al. Early Cretaceous angiosperm pollen from the Bayanhua Group in the Eren Basin, Nei Monggol |
1992 |
| details |
Hauterivian |
Aptian |
China(Jilin) |
Wang,X. Pollen record of early angiosperms in Northeast China. |
2000 |
| details |
Late Valanginian |
Aptian |
China(Hupei) |
Wang,X. Pollen record of early angiosperms in Northeast China. |
2000 |
| details |
Hauterivian |
Barremian |
China(Inner Mongolia) |
Wang,X. Pollen record of early angiosperms in Northeast China. |
2000 |
| details |
Hauterivian |
Barremian |
China(Inner Mongolia) |
Wang,X. Pollen record of early angiosperms in Northeast China. |
2000 |
| details |
Hauterivian |
Barremian |
China(Inner Mongolia) |
Wang,X. Pollen record of early angiosperms in Northeast China. |
2000 |
| details |
Tithonian |
Berriasian |
China(Liaoning) |
Wang,X. Pollen record of early angiosperms in Northeast China. |
2000 |
| details |
Barremian |
Early Aptian |
Maryland |
Walker,J.W. et al. Ultrastructure of Lower Cretaceous angiosperm pollen and the origin and Early evolution of Flowering plants |
1984 |
| details |
Aptian |
|
Poland |
Waksmundzka,M. Palynological analysis of Lower Cretaceous sediments from Kujawy, (Poland). |
1981 |
| details |
Maastrichtian |
|
New Jersey |
Waanders,G.L. Palynology of the Monmouth Group (Maestrichtian) from Monmouth County, New Jersey, USA. |
1974 |
| details |
Early Cretaceous |
|
Argentina(Santa Cruz) |
Volkheimer,W. et al. The continental margin of Gondwana, principally in central western Argentina. |
1980 |
| details |
Early Callovian |
|
|
Volkheimer,W. et al. Comments on range chart: Palynomorphs. (In: South America and Antarctic Peninsula. A.C.Riccardi et al. (In: Jurassic taxa ranges and correlation charts for the Circum Pacific. G.E.G.Westerman and A.C.Riccardi, editor) |
1990 |
| details |
Aptian |
Albian |
|
Volkheimer,W. et al. The oldest angiosperm-palynoflora in Argentina from the type locality of the Lower Cretaceous Huitrin Formation, Neuqu©n Basin; microfloristic association and biostratigraphic significance. |
1975 |
| details |
Early Cretaceous |
|
|
Volkheimer,W. et al. Stratigraphic significance of Paleozoic and Mesozoic microflora from Argentina and neighboring countries. |
1976 |
| details |
Aptian |
Albian |
|
Volkheimer,W. et al. Palynological characteristics of the Upper Juarssic and Lower Cretaceous Formations of the Neuqu©n Basin, (Argenine Republic). |
1976 |
| details |
Barremian |
Aptian |
Argentina(Patagonia) |
Volkheimer,W. Upper Jurassic and Lower Cretaceous microfloras of Latin America. |
1980 |