| details |
Barremian |
Aptian |
North America |
Burger,D. Observations on the Earliest angiosperm development with special reference to Australia. |
1981 |
| details |
Barremian |
Aptian |
Central America |
Burger,D. Observations on the Earliest angiosperm development with special reference to Australia. |
1981 |
| details |
Barremian |
Aptian |
Europe |
Burger,D. Observations on the Earliest angiosperm development with special reference to Australia. |
1981 |
| details |
Barremian |
Aptian |
New Zealand |
Burger,D. Observations on the Earliest angiosperm development with special reference to Australia. |
1981 |
| details |
Barremian |
|
Nd |
Cronquist,A. Thoughts on the origin of the Monocotyledons. (In: Symposium on Stratigraphic Palynology) |
1974 |
| details |
Barremian |
|
Worldwide |
Hughes,N.F. Angiosperm evolution and the Superfluous Upland origin Hypothesis. (In: Symposium on Stratigraphic Palynology) |
1974 |
| details |
Barremian |
Cenomanian |
Africa |
Vakhrameev,V.A. Early Cretaceous climate of the Tropical Belt of Africa and South America |
1984 |
| details |
Barremian |
Cenomanian |
South America |
Vakhrameev,V.A. Early Cretaceous climate of the Tropical Belt of Africa and South America |
1984 |
| details |
Barremian |
Albian |
Nd |
Muller,J. Significance of fossil pollen for angiosperm history. (In: Historical Perspectives of Angiosperm Evolution.) |
1984 |
| details |
Barremian |
Late Cenomanian |
USA(Atlantic Coast) |
Doyle,J.A. Angiosperm pollen evolution and biostratigraphy of Basal Cretaceous Formations of Maryland, Delaware, and New Jersey |
1969 |
| details |
Barremian |
|
North America |
Walker,A.G. et al. Ultrastructure of Lower Cretaceous angiosperm pollen and early monocot evolution. |
1986 |
| details |
Barremian |
Aptian |
China(Hopei) |
Yu,J. Early Cretaceous sporo-pollen assemblages in North northern Hebei and Western Liaoning, China |
1988 |
| details |
Barremian |
Early Albian |
Nd |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Barremian |
|
China(Heilungkiang) |
Qiu,S. Relationship between Cretaceous microfossil assemblages and seismic wave groups of Songliao Basin. |
1991 |
| details |
Barremian |
Albian |
USA(Atlantic Coast.Pl.) |
Doyle,J.A. The Monocotyledons |
1973 |
| details |
Barremian |
Early Albian |
United Kingdom |
Hughes,N.F. Mesozoic and Tertiary distributions and problems of lnd-plant evolution. (In:Organisms and continents through time. N.F.Hughes, editor) |
1973 |
| details |
Barremian |
Aptian |
Israel |
Brenner,G.J. Middle Cretaceous floral Provinces and Early migrations of angiosperms. (In: Origin and Early Evolution of Angiosperms.C.B.Beck, editor) |
1976 |