original |
Campanian |
Maastrichtian |
California |
Chmura,C.A. Upper Cretaceous, (Campanian - Maastrichtian), angiosperm pollen from the western San Joaquin Valley, California, USA. |
1973 |
original |
Santonian |
Maastrichtian |
California |
Frederiksen,N.O. Tectonic and paleogeographic setting of a new latest Cretaceous floristic province in North America. |
1987 |
original |
Late Pliocene |
|
Argentina(Corrientes) |
Anzгtegui,L.K. et al. Revision of the genus Ilexpollenites Thiergart and a new species from the Upper Pliocene Ituzaingo Formation of Corrientes Province, Argentina. |
1995 |