| details |
Middle Cretaceous |
|
Virginia |
Dilcher,D.L. Early angiosperm reproduction |
1979 |
| details |
Aptian |
Early Albian |
Virginia |
Doyle,J.A. Angiosperm pollen and correlation of Potomac megafossil localities. |
1974 |
| details |
Middle Carnian |
|
Virginia |
Cornet,B. Angiosperm-like pollen with tectate-columellate wall structure from the Upper Triassic, (and Jurassic), of the Newark Supergroup, USA. |
1977 |
| details |
Barremian |
Albian |
USA(Atlantic Coast.Pl.) |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Aptian |
|
USA(Atlantic Coast.Pl.) |
Shields,O. The origin and initial radiation of angiosperms in relation to Anthophytes. |
1994 |
| details |
Cenomanian |
|
South America |
Vakhrameev,V.A. Early Cretaceous climate of the Tropical Belt of Africa and South America |
1984 |
| details |
Albian |
Cenomanian |
Russia(Siberia) |
Chlonova,A.F. et al. Comparative analysis of sporoderm ultrastructure of Clavatipollenites incisus and two species of Ascarina (Chloranthaceae). |
1988 |
| details |
Aptian |
|
Portugal |
Shields,O. The origin and initial radiation of angiosperms in relation to Anthophytes. |
1994 |
| details |
Norian |
|
Pennsylvania |
Shields,O. The origin and initial radiation of angiosperms in relation to Anthophytes. |
1994 |
| details |
Barremian |
|
North America |
Walker,A.G. et al. Ultrastructure of Lower Cretaceous angiosperm pollen and early monocot evolution. |
1986 |
| details |
Norian |
|
New Jersey |
Cornet,B. Angiosperm-like pollen with tectate-columellate wall structure from the Upper Triassic, (and Jurassic), of the Newark Supergroup, USA. |
1977 |
| details |
Neocomian |
|
Nd |
Doyle,J.A. Origin of angiosperms. |
1978 |
| details |
Nd |
|
Nd |
Kedves,M. The evolutionary significance of the angiospermous exine ultrastructure and sculpture. |
1981 |
| details |
Barremian |
Early Albian |
Nd |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Late Cretaceous |
|
Nd |
Schluter,T. The eoevolutionary relationship between angiosperm pollen and insects in the Late Mesozoic. |
1987 |
| details |
Nd |
|
Nd |
Jansonius,J. Spore nomenclature and the proposals of the Lille palynologists. |
1968 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). |
1970 |