details |
Devonian |
|
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
details |
Devonian |
Permian |
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
details |
Early Carboniferous |
|
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
details |
Nd |
|
Nd |
Martin,F. Acritarchs: A review |
1993 |
details |
Late Gedinnian |
|
Oklahoma |
Loeblich,A.R.,Jr. et al. Organic-walled microplankton from the Lower Devonian, Late Gedinnian Haragan and Bois d'Arc Formations of Oklahoma, USA. Part 1. |
1976 |
details |
Nd |
|
Nd |
Loeblich,A.R.,Jr. Protistan phylogeny as indicated by the fossil record. |
1974 |
details |
Early Ludlovian |
|
Sweden |
Le H©riss©,A. Acritarchs and cysts of Prasinophycean algae of the Silurian of Gotland, Sweden. |
1989 |
details |
Devonian |
|
USSR(Urals) |
Kulkova,I.A. The Eocene climatic optimum of northern Asia. (In: Climates of the Earth in the Geological Past. A.A.Velichko and A.L.Chepalyga, editors) |
1987 |
details |
Emsian |
Givetian |
Brazil |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
details |
Eifelian |
Late Devonian |
Algeria |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
details |
Precambriam |
Holocene |
Nd |
Guy-Ohlson,D. Green and Blue-Green algae. 7B-Prasinophycean algae. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
details |
Late Devonian |
Early Carboniferous |
China(Tibet) |
Gao,L. Late Devonian and Early Carboniferous acritarchs from Nyalam County, Xizang, (Tibet), China. |
1984 |
details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
details |
Late Gothlandian |
Devonian |
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
details |
Gorstian |
Ludfordian |
Wales(Brecknockshire) |
Dorning,K.J. Silurian acritarch distribution in the Ludlovian shelf Sea of South Wales and Welsh Borderland. (In: Microfossils from Recent and Fossil Shelf Seas. J.W.Neale and M.D. Brasier. editors) |
1981 |
details |
Gorstian |
Ludfordian |
Wales(Carmarthenshire) |
Dorning,K.J. Silurian acritarch distribution in the Ludlovian shelf Sea of South Wales and Welsh Borderland. (In: Microfossils from Recent and Fossil Shelf Seas. J.W.Neale and M.D. Brasier. editors) |
1981 |
details |
Homerian |
|
England(Shropshire) |
Dorning,K.J. et al. The Silurian carbonate shelf microflora- acritarch distribution in the Much Wenlock Limestone Formation. (In: Micropalaeontology of Carbonate Environments. M.B.Hart, editor) |
1987 |