| details |
Turonian |
Campanian |
Canada(Arctic) |
Nкбez-Betelu,L.K. et al. Upper Cretaceous paleoshorelines of the northeastern Sverdrup Basin, Ellesmere Island, Canadian Arctic Archipelago. |
1994 |
| details |
Late Coniacian |
|
Canada(Arctic) |
Nкбez-Betelu,L.K. et al. A late Coniacian ceratioid dinoflagellate cyst, Odontochitina octopus sp.nov., from the Kanguk Formation, Canadian Arctic. |
1998 |
| details |
Barremian |
Aptian |
Alaska |
Kimyai,A. Palynology and biostratigraphy of the Lower Cretaceous sediments in the South Barrow Test Well No.1, Point Barrow, Alaska. |
2000 |
| details |
Rhaetian |
Hettangian |
England(Somerset) |
Hounslow,M.W. et al. Magnetostratigraphy and biostratigraphy of the Upper Triassic and lowermost Jurassic succession, St. Audrie's Bay, UK. |
2004 |