| details |
Emsian |
Tournaisian |
Brazil(Maranhao) |
Brito,I.M. et al. New occurrences of acritarchs in the Devonian of the Parnaiba Basin. (In: Paleobotanica e Palinologia na America do Sul; 1983) |
1984 |
| details |
Early Emsian |
|
Brazil(Amazonas) |
de Quadros,L.P. Nature of the contact between the Trombetas and Maccuru Formation Amazon Basin |
1985 |
| details |
Late Gothlandian |
Early Carboniferous |
Czechoslovakia |
Planderova,E. New knowledge on age of metasediments in the Dumbier Crystalline (Jasenie area, Central Slovakia Slovakia), Low Tatar Mountains. |
1986 |
| details |
Early Devonian |
Middle Devonian |
Czechoslovakia(Slovensko) |
Molak,B. et al. Early Paleozoic Metasediments on the Southern Slopes of the Nizke Tatry Mountains near village Jasenie |
1986 |
| details |
Emsian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Devonian |
|
Spain |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Gedinnian |
Famennian |
Nd |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Ludfordian |
Pridolian |
Worldwide |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Siegenian |
|
Brazil(Paraiba) |
Rubinstein,C.V. Silurian acritarchs from South America: A review. |
1996 |
| details |
Late Givetian |
|
Iowa |
Wicander,R. et al. The use of microphytoplankton and chitinozoans from interpretin transgressive/regressive cycles in the Rapid Member of the Ceda Valley Formation (Middle Devonian), Iowa. |
1997 |
| details |
Ludlovian |
|
Argentina(San Juan) |
Rubinstein,C.V. et al. A palynomorph and graptolite biostratigraphy of the Central Precordillera Silurian Basin, Argentina. |
1999 |
| details |
Ludlovian |
|
Saudi Arabia |
Al-Ruwaili,M. New Silurian acritarchs from the sub-surface of northwestern Saudi Arabia. |
2000 |
| details |
Late Ludlovian |
Middle 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 |
| details |
Early Lochkovian |
|
Canada(Newfoundland) |
Burden,E.T. et al. Palynology and micropaleontology of the Clam Bank Formation (Lower Devonian) of Western Newfoundland, Canada. |
2002 |
| details |
Late Wenlockian |
Early Ludlovian |
Argentina(San Juan) |
Rubinstein,C.V. Biostratigraphy paleogeography and paleoenvironments based on palynomorphs in Ordovician, Silurian and Devonian Basins of Argentina. |
2002 |
| details |
Middle Givetian |
Late Givetian |
Argentina(San Juan) |
Rubinstein,C.V. Biostratigraphy paleogeography and paleoenvironments based on palynomorphs in Ordovician, Silurian and Devonian Basins of Argentina. |
2002 |
| details |
Late Wenlockian |
|
Argentina(San Juan) |
Rubinstein,C.V. Biostratigraphy, paleogeography and paleoenvironments based on palynomorphs in Ordovician, Silurian and Devonian Basins of Argentina. |
2002 |