details |
Early Llandoverian |
Frasnian |
Brazil(Amazonas) |
Lange,F.W. Biostratigraphic subdivisions and revision of the Silurian-Devonian column of the Lower Amazon Basin. |
1967 |
details |
Devonian |
|
Brazil(Pernambuco) |
Brito,I.M. Short note on the Devonian microfossils of Pernambuco |
1965 |
details |
Middle Devonian |
|
Brazil(Pernambuco) |
Brito,I.M. Contribution to the knowledge of Devonian microfossils of Pernambuco.1. Archaeotriletes |
1967 |
details |
Ordovician |
Silurian |
Bulgaria |
Kalvacheva,R.K. Preliminary results from palynological studies of the Lower Paleozoic in the Iskur Gorge. |
1972 |
details |
Llanvirnian |
|
Bulgaria |
Kalvacheva,R.K. et al. Occurence of acritarchs in the Lower Paleozoic in the Iskur Gorge. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
details |
Nd |
|
Canada(Alberta) |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |
details |
Late Campanian |
|
Canada(Alberta) |
Norris,G. et al. Evolution of the Cretaceous terrestrial palynoflora in Western Canada. |
1975 |
details |
Late Ashgillian |
Early Llandoverian |
Canada(Anticosti Island) |
Duffield,S.L. et al. Acritarch biostratigraphy of the Ordovician-Silurian boundary beds and the Llandoverian, Anticosti Island,Quebec. |
1981 |
details |
Ashgillian |
|
Canada(Anticosti Island) |
Duffield,S.L. et al. Acritarch biostratigraphy of Upper Ordovician-Lower Silurian strata of Anticosti Island, Quebec and implications for intracontinental correlation. |
1981 |
details |
Maastrichtian |
|
Canada(Arctic) |
Kerr,J.W. Geology of Bathurst Island Group and Byam Martin Island, Arctic Canada. |
1974 |
details |
Late Pleistocene |
Holocene |
Canada(Manitoba) |
Nambudiri,E.M.V. et al. Late Pleistocene and Holocene pollen stratigraphy of the Lake Manitoba Basin, Canada |
1986 |
details |
Early Ordovician |
Middle Ordovician |
Canada(Newfoundland) |
Jansa,L.F. Trace fossils from the Cambro-Ordovician Cow Head Group, Newfoundland, and their paleobathymetric implication. |
1974 |
details |
Early Jurassic |
|
Canada(Newfoundland) |
Haskell,T.R. Foraminiferal affinities exhibited by the dinoflagellate Nannoceratopsis Deflandre (with discussion). |
1974 |
details |
Early Tremadocian |
|
Canada(Newfoundland) |
Volkova,N.A. Paleogeography of phytoplankton at Cambrian-Ordovician boundary |
1997 |
details |
Ordovician |
|
Canada(Ontario) |
Eley,B.E. et al. Lower Palaeozoic Chert -First widely used mineral of Southern Ontario |
1984 |
details |
Blackriveran |
Rocklandian |
Canada(Ontario) |
Bunner,W.D. et al. A new species of Dicommopalla (Acritarcha) from the Middle Ordovician Simcoe Group of Southern Ontario, Canada. |
1989 |
details |
Ordovician |
|
Canada(Quebec) |
Duffield,S.L. Biostratigraphy and taxonomy of Lower Silurian acritarchs from Anticosti Island,Quebec. |
1981 |