| details |
Early Cretaceous |
Albian |
Alaska |
Reifenstuhl,R.R. et al. Micropaleontology of 38 outcrop samples from the Chandler Lake, demarcation points, Mount Michelson, Philip Smith Mountains, and Sagavanirktok quadrangles, Northeast Alaska. |
1993 |
| details |
Neocomian |
|
Alaska |
Vandergon,M.A. Microfossil compilation of Mesozoic and Cenozoic units Arctic National Wildlife Refuge, Northeastern Alaska. |
1986 |
| details |
Middle Cretaceous |
|
|
Fechner,G.G. Quantitative investigations of a mid-Cretaceous dinoflagellate cyst assemblage from SE-France, supplemented by notes on the palaeogeography and the palaeoenvironment. |
1985 |
| details |
Early Barremian |
|
|
Srivastava,S.K. Barremian dinoflagellate cysts from southeastern France. |
1984 |
| details |
Late Valanginian |
Hauterivian |
|
Aguirre-Urreta,M.B. et al. Advances in the biostratigraphy of the Agrio Formation (Lower Cretaceous) of the Neuqu©n Basin, Argentina: ammonites, palynomorphs and calcareous nannofossils. |
1999 |