| details |
Late Cretaceous |
|
China(NE.China) |
Zhou,S.-F. The Cretaceous and Tertiary Aquilapolles in China. |
1986 |
| details |
Middle Maastrichtian |
Late Maastrichtian |
North Dakota |
Artzner,D.G. Palynology of a Volcanic Ash in the Fox Hills Formation, (Maestrichtian), of Emmons, Morton, and Sioux Counties, North Dakota. |
1974 |
| details |
Maastrichtian |
|
Canada |
Stanley,E.A. The stratigraphical, biogeographical, paleoautecological and evolutionary significance of the fossil pollen Group Triprojectacites. |
1970 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Pollen biostratigraphy and paleoecology of the Edmonton Formation, (Maestrichtian), Alberta, Canada. |
1970 |
| original |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Eight species of Mancicorpus from the Edmonton Formation (Maestrichtian), Alberta, Canada. |
1968 |