original |
Early Cretaceous |
|
Wyoming |
Davis,P.N. Palynology and stratigraphy of the Lower Cretaceous rocks of northern Wyoming |
1963 |
original |
Callovian |
Oxfordian |
Wyoming |
Griffith,C.E. Palynostratigraphy of the Sundance Formation (Jurassic), of the Black Hills area, South Dakota and Wyoming. |
1972 |
original |
Late Emsian |
|
W.Germany(N.Rhine) |
Edalat,B. Spore assemblages and acritarchs from the Lower Devonian (Emsian) of the Southern Bergishen Land |
1974 |
original |
Middle Turonian |
Early Santonian |
Utah |
Orlansky,R. Palynology of the Upper Cretaceous Straight Cliffs Sandstone, Garfield County, Utah. |
1967 |
original |
Late Turonian |
Coniacian |
Utah |
Orlansky,R. Palynology of the Upper Cretaceous Straight Cliffs Sandstone, Garfield County, Utah. |
1971 |
original |
Late Callovian |
|
USSR(Franz Josef Land) |
Smelror,M. Bathonian and Callovian (Middle Jurassic) dinoflagellate cysts and acritarchs from Franz Josef Land, Arctic Soviet. |
1987 |
original |
Late Eocene |
Early Oligocene |
Switzerland |
Scherer,F. Geologic-palaeontologic investigation of the Flysch and Molasse between Thunersee and Eriz, (Bern Canton). |
1966 |
original |
Late Ordovician |
|
Sweden |
Eiserhardt,K.H. Baltisphaerid of the –jlemyrflint of Gotland, Sweden (Acritarchs of the Upper Ordovician boulders). |
1989 |
original |
Early Ordovician |
|
Sweden |
Kjellstrжm,G. Ordovician microplankton (baltisphaerids) from the Grotlingbo borehole No.1 in Gotland, Sweden. |
1971 |
original |
Early Sheinwoodian |
|
Sweden |
Le H©riss©,A. Acritarchs and cysts of Prasinophycean algae of the Silurian of Gotland, Sweden. |
1989 |
original |
Callovian |
Oxfordian |
South Dakota |
Griffith,C.E. Palynostratigraphy of the Sundance Formation (Jurassic), of the Black Hills area, South Dakota and Wyoming. |
1972 |
original |
Late Turonian |
Santonian |
Senegal |
Jain,K.P. et al. Cretaceous microplankton from Senegal Basin, West Africa. Part 2. Systematics and biostratigraphy. |
1975 |
original |
Carixian |
|
Portugal |
Davies,E.H. The miospore and dinoflagellate cyst Oppel-Zonation of the Lias of Portugal |
1985 |
original |
Ashgillian |
|
Poland |
Kremer,B. Acritarchs from the Upper Ordovician of southern Holy Cross Mountains, Poland. |
2001 |
original |
Gedinnian |
|
Oklahoma |
Wicander,R. Lower Devonian, (Gedinnian) acritarchs from the Haragan Formation, Oklahoma, USA. |
1986 |
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 |
original |
Middle Albian |
Early Cenomanian |
Nebraska |
Pannella,G. Palynology of the Dakota Group and Graneros Shale of the Denver Basin. |
1966 |