| original |
Late Albian |
|
Kansas |
Bint,A.N. Fossil Ceratiaceae: A restudy and new taxa from the Middle Cretaceous of the Western Interior, U.S.A. |
1986 |
| details |
Nd |
|
Nd |
Mao,S. et al. Origin and evolution of terrestrial dinoflagellates and their significance in source potential for petroleum |
1990 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Middle Albian |
Late Albian |
Canada(Arctic) |
Nиhr-Hansen,H. et al. Upper Barremian to Upper Albian (Lower Cretaceous) dinoflagella cyst assemblages, Canadian Arctic Archipelago |
1998 |
| details |
Late Albian |
Middle Cenomanian |
Canada(Alberta) |
Bloch,J.D. et al. Sedimentology, micropaleontolgy, geochemistry, and hydrocarbon potential of shale from the Cretaceous Lower Colorado Group in Western Canada. |
1999 |