original |
Cretaceous |
Tertiary |
China(Kiangsu) |
Song,Z.-C. et al. Cretaceous-Tertiary palynological assemblages from Jiangsu. |
1981 |
original |
Middle Cambrian |
Ordovician |
USSR(Ukrainian SSR) |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
original |
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 |
original |
Early Chesterian |
Middle Chesterian |
Oklahoma |
Harris,R.W. Palynology of the Sand Branch Member of the Caney Shale Formation, (Mississippian), of Southern Oklahoma. |
1971 |
original |
Early Cambrian |
Middle Cambrian |
USSR(Latvian SSR) |
Fridriksone,A.I. Acritarch Baltisphaeridium and its history (?) from the Cambrian sediments of Latvia. (In: Palaeontology and stratigraphy of the Baltic and Byelorussia) |
1971 |
original |
Wenlockian |
Ludlovian |
Poland |
Jachowicz,M. et al. Acritarcha of Silurian formations from Myszrow area. |
1987 |
original |
Llandoverian |
Ludlovian |
Saudi Arabia |
Al-Ruwaili,M. New acritarch genera and species from the Silurian of Saudi Arabia. |
1998 |
details |
Late Cambrian |
Late Tremadocian |
Estonia |
Volkova,N.A. Acritarchs from the Cambrian - Ordovician Boundary Beds, (Boring Core M-56), of the Estonian, near Clint Area. |
1993 |
original |
Gedinnian |
Emsian |
Spain |
Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. |
1966 |
original |
Late Tremadocian |
Early Arenigian |
Spain |
Servais,T. et al. The messaoudensis-trifidum acritarch assemblage (Ordovician: Late Tremadoc - Early Arenig) of the Barriga Shale Formation, Sierra Morena (southwest Spain). |
2000 |
original |
Doushantuo |
Dengying |
China |
Yin,C. et al. The early evolution of the acanthomorphic acritarchs in China and their biostratigraphical implication |
1995 |
original |
Cenomanian |
Coniacian |
Wyoming |
Upshaw,C.F. Palynologic zonation of the Upper Cretaceous Frontier Formation near Dubois, Wyoming. (In: Palynology in Oil Exploration, Aureal T. Cross, editor) |
1964 |
original |
Early Cambrian |
|
China(Yunnan) |
Xing,Y. Microflora of the Sinian System and Lower Cambrian near Kunming, Yunnan and its stratigraphical significance. |
1982 |
original |
Middle Cambrian |
|
Canada(Newfoundland) |
Anderson,M.M. Discussion: Algal remains from the Ramdom Formation (Late Precambrian) of Newfoundland, Canada. (Reply - A.C.Nautiyal). |
1984 |
original |
Early Ordovician |
|
China(Hopei) |
Li,Z.P. Acritarchs from the Upper Machiakou Formation of North China and its geological age. |
1982 |
original |
Early Cambrian |
|
China |
Tian,C. Sinian and Cambrian micropalaeoflora. (In: Palaeontological Atlas of Southwest China, Volume of Microfossils. Edited by Chengdu Institute of Geology and Mineral Resources.) |
1983 |
original |
Aptian |
|
Brazil(Maranhao) |
de Lima,M.R. Palynology of the Codo Formation in the Codo Region. (In: Paleobotany and palynology of South America) |
1982 |