| details |
Aptian |
Albian |
Alaska(North Slope) |
Mickey,M.B. et al. Biostratigraphy report 74 outcrop samples Western Delong Mountains field party North Slope, Alaska. (In: Micropaleontology of Cretaceous and Jurassic shales from the Northwestern Delong Mountains, Western Brooks Range, Alaska, 1994-1997. M.B.Mickey and H.Haga, editors) |
1998 |
| details |
Aptian |
Albian |
Alaska(North Slope) |
Mickey,M.B. et al. Biostratigraphy report 74 outcrop samples Western Delong Mountains field party North Slope, Alaska. (In: Micropaleontology of Cretaceous and Jurassic shales from the Northwestern Delong Mountains, Western Brooks Range, Alaska, 1994-1997. M.B.Mickey and H.Haga, editors) |
1998 |
| details |
Oxfordian |
Kimmeridgian |
Turkey |
Gitmez,G.U. et al. Dinoflagellate cysts and acritarchs from the Jurassic-Cretaceous boundary, Northwest Anatolia, Turkey |
1999 |
| 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 |
| details |
Late Santonian |
Early Campanian |
Russia(Taymyr) |
Khomentovskii,O.V. et al. Santonian-Campanian boundary in northern Siberia |
1999 |
| details |
Early Campanian |
|
Russia(Taymyr) |
Khomentovskii,O.V. et al. Santonian-Campanian boundary in northern Siberia |
1999 |
| details |
Pliocene |
|
California |
Fleming,R.F. Pliocene climate of the Colorado Plateau and the age of the Grand Canyon: evidence from Anza-Borrego, California |
1999 |
| details |
Berriasian |
Albian |
Canada(Alberta) |
White,J.M. et al. Palynological age constraints on the Cadomin and Dalhousie Formations in SW Alberta. |
1999 |
| details |
Volgian |
Ryazanian |
Russian Platform |
Riding,J.B. et al. Jurassic and Lowermost Cretaceous dinoflagellate cyst biostratigraphy of the Russian Platform and Northern Siberia, Russia. |
1999 |
| details |
Neocomian |
Early Cenomanian |
Egypt |
Mahmoud,M.S. et al. Stratigraphy of the Upper Jurassic - Lower Cretaceous sequences from three boreholes, northern Egypt: Palynological evidence. |
1999 |
| details |
Early Eocene |
Middle Eocene |
Brazil(Maranhao) |
PedrЈo,E. et al. Palynostratigraphy of the Itapecuru Formation (Paraiba Basin) near Rosario, Maranhao State: Correlation and chronostratigraphy. |
1999 |
| details |
Toarcian |
Oxfordian |
Iowa |
Anderson,R.R. et al. Review of the geology of the Fort Dodge Formation. (In: The geology of the Jurassic Fort Dodge Formation, Webster County, Iowa. R. Anderson, et al, editor) |
1999 |
| details |
Maestrichtian |
Danian |
Spain |
Martnez-HernЎndez,N. et al. The succession of vertebrates and plants across the Cretaceous - Tertiary boundary in the Tremp Formation, Ager Valley (south-central Pyrenees, Spain.). |
1999 |
| details |
Cenomanian |
Middle Eocene |
China(N.China) |
Song,Z.-C. et al. Fossil Spores and Pollen of China. Volume 1: The Late Cretaceous and Tertiary Spores and Pollen. |
1999 |
| details |
Cenomanian |
Middle Eocene |
China(S.China) |
Song,Z.-C. et al. Fossil Spores and Pollen of China. Volume 1: The Late Cretaceous and Tertiary Spores and Pollen. |
1999 |
| details |
Albian |
Cenomanian |
Tanzania |
Srivastava,V. et al. Albian - Cenomanian microfloral assemblages from coastal Tanzania. |
1999 |
| details |
Berriasian |
Hauterivian |
China(Songalio Basin) |
Yu,W. et al. Stratigraphic division of Cretaceous strata in Songliao Basin. |
1999 |