original |
Frasnian |
|
Africa(Sahara) |
Combaz,A. et al. The "Leiofusidae" Eisenack, 1938. |
1967 |
original |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its lithological equivalents in central and west-central Alberta, Canada. |
1968 |
original |
Late Cretaceous |
|
Utah |
Kidson,E.J. Palynology and paleoecology of the Buck Tongue of the Mancos Shale, (Upper Cretaceous), from East Central Utah and Western Colorado. |
1971 |
original |
Late Cretaceous |
|
Colorado |
Kidson,E.J. Palynology and paleoecology of the Buck Tongue of the Mancos Shale, (Upper Cretaceous), from East Central Utah and Western Colorado. |
1971 |
original |
Ypresian |
|
Belgium |
De Coninck,J. Ypresian organic walled microfossils from the Belgian Basin. |
1975 |
original |
Llandoverian |
|
New York |
Miller,M.A. et al. Palynomorphs from the Silurian Medina Group, (Lower Llandovery), of the Niagara Gorge, Lewiston, New York, USA. |
1982 |
original |
Emsian |
Eifelian |
Georgia |
Ravn,R.L. et al. Devonian miospores and reworked acritarchs from southeastern Georgia, USA. |
1988 |
original |
Caradocian |
Wenlockian |
Nepal |
Sinha,H.N. et al. Record of Prolific and Indubitable acritarchs from the Lower Paleozoic strata of the Tethyan Garhwal Himalaya and age implication |
1996 |