original |
Early Pliocene |
|
Canada(Atlantic Coast) |
Head,M.J. et al. New species of dinocysts and a new species of acritarch from the Upper Miocene and Lowermost Pliocene, ODP Leg 105, Site 646, Labrador Sea. |
1989 |
original |
Early Chesterian |
Middle Chesterian |
Oklahoma |
Harris,R.W. Palynology of the Sand Branch Member of the Caney Shale Formation, (Mississippian), of Southern Oklahoma. |
1971 |
original |
Cenomanian |
Coniacian |
Wyoming |
Griggs,P.H. Stratigraphy and palynology of the Frontier Formation, Big Horn Basin, Wyoming |
1970 |
original |
Early Maastrichtian |
|
Belgium |
Foucher,J.-C. et al. Microplancton of the Flint from the Mons Basin, Belgium, (Cretaceous and Danian dinoflagellata). |
1977 |
original |
Early Maestrichtian |
|
Arctic Ocean |
Firth,J.V. et al. An Early Maestrichtian organic-walled phytoplankton cyst assemblage from an organic-rich Black Mud in core Fl-533, Alpha Ridge: Evidence for upwelling conditions in the Cretaceous Arctic Ocean |
1998 |
original |
Caradocian |
|
Portugal |
Elaouad-Debbaj,Z. Late Ordovician acritarches of the Bucaco Syncline (Portugal); systematics-biostratigraphy-paleogeographic interests. |
1978 |
original |
Middle Cambrian |
|
Spain |
Cramer-Diez,F.H. First report on the occurrence of acritarchs in the Oville Formation of Leon, Spain. |
1972 |
original |
Middle Gothlandian |
|
New York |
Cramer,F.H. Palynologic microfossils of the Middle Silurian Maplewood Shale in New York. |
1968 |
original |
Middle Cambrian |
|
Spain |
Cramer,F.H. First report on the occurrence of acritarchs in the Oville Formation of Leon, Spain. |
1972 |
original |
Early Cambrian |
Middle Cambrian |
USSR(Baltic) |
Aren,B. et al. The Baltic Syncline. (In: Stratigraphy of Upper Precambrian and Cambrian deposits on the western part of the East European Platform. B.M.Keller and A.Y.Rozanov, editors) |
1979 |
original |
Paleocene |
|
Egypt |
Aboul Ela,N.M. Lower Tertiary microflora from the Esna Shale of the Red Sea Coast, Egypt. |
1989 |