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 |
Ashgillian |
|
Poland |
Kremer,B. Acritarchs from the Upper Ordovician of southern Holy Cross Mountains, Poland. |
2001 |
original |
Late Cenomanian |
|
Arizona |
Li,H. et al. Dinoflagellate stratigraphy and its response to sea level change in Cenomanian-Turonian sections of the Western Interior of the United States. |
1996 |
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 |
Maastrichtian |
|
Georgia |
Firth,J.V. Dinoflagellate assemblages and sea-level fluctuations in the Maestrichtian of Southwest Georgia |
1993 |
original |
Late Turonian |
Early Campanian |
Canada(Arctic) |
Nкбez-Betelu,L.K. et al. Preliminary Paleopalynology of the Kanguk Formation, (Upper Cretaceous), Remus Creek, Canadian Arctic Archipelago; 1. Marine palynomorphs. |
1992 |
original |
Late Ordovician |
|
Sweden |
Eiserhardt,K.H. Baltisphaerid of the –jlemyrflint of Gotland, Sweden (Acritarchs of the Upper Ordovician boulders). |
1989 |
original |
Early Sheinwoodian |
|
Sweden |
Le H©riss©,A. Acritarchs and cysts of Prasinophycean algae of the Silurian of Gotland, Sweden. |
1989 |
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 |
Early Arenigian |
Middle Arenigian |
Australia(Queensland) |
Playford,G. et al. Acritarch palynoflora of the Coolibah Formation (Lower Ordovician) Georgina Basin,Queensland. (In: Palynological and Palaeobotanical Studies in Honour of Basil E. Balme. P.A. Jell and G. Playford, editors) |
1988 |
original |
Early Maastrichtian |
|
Georgia |
Firth,J.V. Dinoflagellate biostratigraphy of the Maastrichtian to Danian interval in the US Geological Survey, Albany core, Georgia, USA. |
1987 |
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 |
Gedinnian |
|
Oklahoma |
Wicander,R. Lower Devonian, (Gedinnian) acritarchs from the Haragan Formation, Oklahoma, USA. |
1986 |
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 |
Carixian |
|
Portugal |
Davies,E.H. The miospore and dinoflagellate cyst Oppel-Zonation of the Lias of Portugal |
1985 |
original |
Late Arenigian |
Early Llandeilian |
Australia(W.Australia) |
Playford,G. et al. Ordovician acritarchs from the Canning Basin, Western Australia |
1984 |
original |
Early Gothlandian |
|
Argentina(San Juan) |
Melendi,D.L. et al. Palynological data on the Ordovician-Silurian boundary of Talacasto, San Juan Province.Part 1. Lower Silurian. |
1982 |