| details |
Aptian |
|
|
Volkheimer,W. et al. Palynological study of the Huitrin Formation, Cretaceous of the Neuqu©n Basin, and its type locality. |
1976 |
| details |
Aptian |
|
|
Volkheimer,W. et al. Palynological study of the Huitrin Formation, Cretaceous of the Neuqu©n Basin, and its type locality. |
1976 |
| details |
Albian |
|
|
Volkheimer,W. et al. Palynological characteristics of the Upper Juarssic and Lower Cretaceous Formations of the Neuqu©n Basin, (Argenine Republic). |
1976 |
| details |
Tithonian |
Barremian |
|
Volkheimer,W. Fossil microfloras. |
1978 |
| details |
Albian |
|
|
Volkheimer,W. Fossil microfloras. |
1978 |
| details |
Early Albian |
Middle Albian |
Brazil |
Volkheimer,W. Upper Jurassic and Lower Cretaceous microfloras of Latin America. |
1980 |
| details |
Pliensbachian |
Early Toarcian |
|
Volkheimer,W. Mesozoic microflora fossils |
1984 |
| details |
Aptian |
|
Argentina(Patagonia) |
Vallati,P. A microflora with Afropollis (angiosperm pollen) from the Lower Cretaceous of the Neuquen Basin. |
1995 |
| original |
Late Barremian |
Early Albian |
Colorado |
Tschudy,R.H. et al. Palynological evaluation of Cedar Mountain and Burro Canyon Formations, Colorado Plateau. |
1984 |
| original |
Late Barremian |
Early Albian |
Colorado |
Tschudy,R.H. et al. Palynological evaluation of Cedar Mountain and Burro Canyon Formations, Colorado Plateau. |
1984 |
| details |
Late Jurassic |
|
Utah |
Tschudy,R.H. et al. Illustrations of plant microfossils from the Morrison Formation I.Plant microfossils from the Brushy Basin Member |
1980 |
| details |
Late Jurassic |
|
New Mexico |
Tschudy,R.H. et al. Illustrations of plant microfossils from the Morrison Formation Ii. plant microfossils from the Westwater Canyon Member |
1981 |
| details |
Late Jurassic |
|
New Mexico |
Tschudy,R.H. et al. Illustrations of plant microfossils from the Morrison Formation Ii. plant microfossils from the Westwater Canyon Member |
1981 |
| 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 |
Cretaceous |
|
New Mexico |
Tschudy,R.H. The Gasbuggy Core. A palynological appraisal. |
1973 |
| details |
Maestrichtian |
Paleocene |
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 |