| details |
Late Cambrian |
Early Arenigian |
Italy(Sardinia) |
Pittau Demelia,P. Tremadocian (Early Ordovician) acritarchs of the Arburese Unit southwest Sardinia, (Italy). |
1985 |
| details |
Late Tremadocian |
Early Arenigian |
Italy(Sardinia) |
Pittau Demelia,P. Tremadocian (Early Ordovician) acritarchs of the Arburese Unit southwest Sardinia, (Italy). |
1985 |
| details |
Late Tremadocian |
Early Arenigian |
Italy(Sardinia) |
Pittau Demelia,P. Tremadocian (Early Ordovician) acritarchs of the Arburese Unit southwest Sardinia, (Italy). |
1985 |
| details |
Late Tremadocian |
Early Arenigian |
Italy(Sardinia) |
Pittau Demelia,P. Tremadocian (Early Ordovician) acritarchs of the Arburese Unit southwest Sardinia, (Italy). |
1985 |
| details |
Barremian |
Early Aptian |
Virginia |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |
| details |
Barremian |
Early Aptian |
Virginia |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |
| details |
Barremian |
Early Aptian |
Virginia |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |
| details |
Barremian |
Early Aptian |
Virginia |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |
| original |
Silurian |
Devonian |
Czechoslovakia |
Klinec,A. et al. Paleozoic metamorphism in the Kniste Oblast |
1979 |
| details |
Late Gothlandian |
Devonian |
Czechoslovakia |
Planderova,E. New knowledge on age of metasediments in the Dumbier Crystalline (Jasenie area, Central Slovakia Slovakia), Low Tatar Mountains. |
1986 |
| details |
Late Berriasian |
Cenomanian |
USA(Gulf of Mexico) |
Riley,L.A. et al. Palynostratigraphy of the Berriasian to Cenomanian sequence at Deep Sea Drilling Project Site 535, Leg 77, southeastern Gulf of Mexico. |
1984 |
| details |
Late Albian |
Cenomanian |
Egypt |
Mahmoud,M.S. et al. New contributions to the geology of the Gebel Abraq area, southeast Aswan (Egypt): Recognition of Middle Cretaceous Stratigraphic Unit. |
1995 |
| details |
Portlandian |
Berriasian |
Sweden |
Erlstrom,M. et al. Upper Jurassic-Lower Cretaceous petrography and stratigraphy at Eriksdal, Scania, southern Sweden. |
1991 |
| details |
Eocene |
Bartonian |
Caribbean(Cuba) |
Siegl-Farkas,A. et al. A palynological study of Middle Eocene Formations in the Regions of Guantanamo and Holguin, Cuba |
1992 |
| details |
Stephanian C |
Autunian |
Czechoslovakia |
Planderova,E. et al. Biostratigraphical correlation of Late Paleozoic formations in the West Carpathians. |
1982 |
| details |
Westphalian A |
Autunian |
France(Vosges) |
Doubinger,J. On the age of Coal bearing strata of the Vosges. |
1965 |
| original |
Middle Cambrian |
Arenigian |
Zambia |
VavrdovЎ,M. et al. Lower Palaeozoic microfossils from the Luapula Beds of Mansa area |
1972 |