| details |
Recent |
|
Worldwide |
Jarzen,D.M. Spore morphology of some Anthocerotaceae and the occurrence of Phaeoceros spores in the Cretaceous of North Americ. |
1979 |
| original |
Early Miocene |
|
Costa Rica |
Graham,A. Miocene communities and paleoenvironments of Southern Costa Rica |
1987 |
| details |
Early Miocene |
Middle Miocene |
California |
Barnett,J. Palynology and paleoecology of the Tertiary Weaverville Formation, Northwestern California, USA. |
1989 |
| details |
Miocene |
|
Argentina(Salta) |
Quattrocchio,M. et al. Anta Formation (Miocene), Metan Subgroup (Oran Group), in Ro Piedras, Salta Province. Palynological data. |
2003 |
| details |
Oligocene |
|
Alaska |
Trop,J.M. et al. Stratigraphy, palynology, and provenance of the Colorado Creek basin, Alaska, USA: Oligocene transpressional tectonics along the central Denali fault system. |
2004 |