| details |
Late Campanian |
|
Montana |
Tschudy,B.D. Palynology of the Upper Campanian, (Cretaceous) Judith River Formation, north-central Montana. |
1973 |
| details |
Maastrichtian |
Paleocene |
North America |
Tschudy,R.H. et al. Were There Massive plant extinctions at the Cretaceous-Tertiary boundary? |
1984 |
| details |
Cretaceous |
|
Wyoming |
Tschudy,R.H. et al. Extinction and survival of plant life following the Cretaceous/Tertiary boundary event, Western Interior, North America. |
1986 |
| details |
Late Cretaceous |
|
New Mexico |
Tschudy,R.H. The Gasbuggy Core. A palynological appraisal. |
1973 |
| details |
Paleocene |
|
New Mexico |
Tschudy,R.H. The Gasbuggy Core. A palynological appraisal. |
1973 |
| details |
Maestrichtian |
|
North America |
Tschudy,R.H. Palynological evidence for change in continental floras at the Cretaceous-Tertiary boundary. (In: Catastrophes and earth history;The new uniformitaranism. W.A.Berggren and J.A. van Couvering, editors) |
1984 |
| details |
Early Campanian |
|
Montana |
Tysdal,R.G. et al. The Livingston Formation in the Madison Range of Southwestern Montana. |
1987 |
| details |
Late Maestrichtian |
|
Bolivia |
Vajda-Santivanez,V. Miospores from Upper Cretaceous - Paleocene strata in Northwestern Bolivia. |
1999 |
| details |
Maastrichtian |
|
USSR(Siberia) |
Vakhrameev,V.A. et al. On the discovery of Maastrichtian strata of the Anadyr River Righ-Bank (North-East of the USSR) |
1986 |
| details |
Paleocene |
Early Oligocene |
Spitsbergen |
Vakulenko,A.S. et al. Palynological characteristic of the Paleogene deposits of Spitsbergen. |
1970 |
| details |
Hauterivian |
Barremian |
Alaska |
Vandergon,M.A. Microfossil compilation of Mesozoic and Cenozoic units Arctic National Wildlife Refuge, Northeastern Alaska. |
1986 |
| details |
Tertiary |
|
Alaska |
Vandergon,M.A. Microfossil compilation of Mesozoic and Cenozoic units Arctic National Wildlife Refuge, Northeastern Alaska. |
1986 |
| details |
Santonian |
Paleocene |
Alaska |
Vandergon,M.A. Microfossil compilation of Mesozoic and Cenozoic units Arctic National Wildlife Refuge, Northeastern Alaska. |
1986 |
| details |
Miocene |
|
Alaska |
Vandergon,M.A. Microfossil compilation of Mesozoic and Cenozoic units Arctic National Wildlife Refuge, Northeastern Alaska. |
1986 |
| details |
Late Senonian |
Danian |
USSR(Yakut ASSR) |
Vashchenko,E.M. et al. The age of Coal-bearing deposits of the Arkagalnskaya Basin |
1979 |
| original |
Senonian |
|
India(Madhya Pradesh) |
Venkatachala,B.S. et al. Palynological zonation in subsurface sediments in Narsapur Well No.1, Godavari-Krishna Basin, India. |
1984 |
| details |
Late Oligocene |
|
Alaska |
Wahrhaftig,C. et al. The coal-bearing group in the Nenana Coalfield, Alaska. |
1969 |