| original |
Late Cretaceous |
Paleocene |
Montana |
Norton,N.J. et al. Palynology of the Upper Cretaceous and Lower Tertiary in the type locality of the Hell Creek Formation, Montana, USA. |
1969 |
| details |
Late Cretaceous |
Paleocene |
Montana |
Acevedo,L.T. et al. Fossil pollen of the Myrtaceae in the Late Tertiary of northeastern Argentina: Taxonomic considerations. |
2001 |
| details |
Late Cretaceous |
|
USSR(Yakut ASSR) |
Bobrov,A.K. The geological make-up of Yakuts ASSR and its oil gas potential. (In: Geological Symposium #5) |
1960 |
| original |
Nd |
|
Nd |
Norton,N.J. Palynology of the Upper Cretaceous and Lower Tertiary in the type locality of the Hell Creek Formation |
1965 |
| details |
Late Cretaceous |
|
USSR(Krasnoyarsk Kray) |
Bogolepov,K.V. The Upper Cretaceous rocks of the Yenisei Ridge |
1958 |