original |
Ashgillian |
|
Poland |
Kremer,B. Acritarchs from the Upper Ordovician of southern Holy Cross Mountains, Poland. |
2001 |
original |
Late Campanian |
|
Canada(Alberta) |
Harland,R. Dinoflagellate cysts and acritarchs from the Bearpaw Formation, (Upper Campanian), of southern Alberta, Canada. |
1973 |
original |
Callovian |
Oxfordian |
Wyoming |
Griffith,C.E. Palynostratigraphy of the Sundance Formation (Jurassic), of the Black Hills area, South Dakota and Wyoming. |
1972 |
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 |
Early Cretaceous |
|
Wyoming |
Davis,P.N. Palynology and stratigraphy of the Lower Cretaceous rocks of northern Wyoming |
1963 |
original |
Late Albian |
|
Canada(Alberta) |
Brideaux,W.W. Recurrent species Groupings in fossil Micro-Plankton assemblages |
1971 |
original |
Early Ordovician |
|
Sweden |
Kjellstrжm,G. Ordovician microplankton (baltisphaerids) from the Grotlingbo borehole No.1 in Gotland, Sweden. |
1971 |
original |
Flandrian |
|
Australia(W.Australia) |
Churchill,D.M. et al. Freshwater microplankton from Flandrian (Holocene) Peats of Southwestern Australia. |
1962 |
original |
Recent |
|
Australia(W.Australia) |
Churchill,D.M. et al. Fossil dinoflagellates and Hystrichospheres in Australian freshwater deposits. |
1962 |
original |
Middle Kinderhookian |
|
Missouri |
Brown,D.D. Palynology of the Hannibal Formation, (Lower Mississippian), of northeast Missouri and western Illinois. |
1969 |
original |
Early Sheinwoodian |
|
Sweden |
Le H©riss©,A. Acritarchs and cysts of Prasinophycean algae of the Silurian of Gotland, Sweden. |
1989 |
original |
Late Turonian |
Coniacian |
Utah |
Orlansky,R. Palynology of the Upper Cretaceous Straight Cliffs Sandstone, Garfield County, Utah. |
1971 |
original |
Middle Albian |
Early Cenomanian |
Colorado |
Pannella,G. Palynology of the Dakota Group and Graneros Shale of the Denver Basin. |
1966 |
original |
Middle Berriasian |
Middle Albian |
Canada(British Columbia) |
Broatch,J. Palynological zonation and correlation of the Peace River Coalfield northeastern British Columbia: An update. |
1986 |
original |
Late Ludlovian |
Early Pridolian |
Libya |
Le H©riss©,A. Paleoecology, biostratigraphy and biogeography of late Silurian to early Devonian acritarchs and prasinophycean phycomata in well A161, Western Libya, North Africa |
2002 |
original |
Early Ludlovian |
Middle Ludlovian |
Argentina(San Juan) |
Rubinstein,C.V. Acritarch from the Silurian of the Jachal River Valley (Los Esp Formation), San Juan Province, Republica Argentina Subgroups Herkumorphita, Netromorphitae and Polgonomorphitae |
1989 |
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 |