| details |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| details |
Late Cretaceous |
|
Wyoming |
Meyers,W.C. Environmental analysis of Almond Formation (Upper Cretaceous), from Rock Springs Uplift, Wyoming. |
1977 |
| details |
Maestrichtian |
|
Mexico(Sonora) |
Lucas,S.G. et al. Paleontology of the Upper Cretaceous Cabullona Group, northeastern Sonora. (In: Studies on the Mesozoic of Sonora and adjacent areas. C.Jacques-Ayala et al, editors) |
1995 |
| details |
Nd |
|
Nd |
Zippi,P.A. Freshwater algae from the Mattagami Formation (Albian) Ontario: Paleoecology, botanical affinities and systematic taxonomy |
1998 |
| details |
Early Cretaceous |
|
Canada(W.Canada) |
Miao,S. et al. Spores and pollen. Mesozoic spores and pollen. (In: Paleontological Atlas of North China.III.Micropaleontological Volume.) |
1984 |
| details |
Late Jurassic |
|
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 |
Maestrichtian |
|
Romania |
Itterbeeck,J. Van et al. Palynostratigraphy of the Maastrichtian dinosaur- andmammal sites of the Rўul Mare and Barbat Valleys(Haоeg Basin, Romania). |
2005 |