| details |
Middle Gothlandian |
|
New York |
Loeblich,A.R.III Morphology, ultrastructure and distribution of Paleozoic acritarchs. |
1970 |
| details |
Silurian |
Early Devonian |
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Nd |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| 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 |
Early Gothlandian |
|
Kentucky |
Wood,G.D. Acritarchs and chitinozoans from the Plum Creek Shale, Oldham Limestone, and Lulbegrud Shale Members of the Noland Formation (Lower Silurian), Kentucky, USA. |
1986 |
| 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 |
| details |
Homerian |
|
Wales(Montgomeryshire) |
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 |
| details |
Early Gothlandian |
|
USA(Mid-Continent) |
Wood,G.D. Palaeoecology and biostratigraphy of Lower Silurian, (Llandovery-Wenlock), acritarchs from the Mid-Continent, United States. |
1988 |
| details |
Llandoverian |
Wenlockian |
Paraguay |
Wood,G.D. et al. Chitinozoans and microplankton from the Silurian Vargas Pena Shale, (Itacurubi Group) Chaco Basin, Paraguay. |
1988 |
| details |
Late Cambrian |
|
Arkansas |
Wood,G.D. et al. Organic-walled microfossils from the Cambrian Davis Shale and Bonneterre Formation, Mid-Continent United States;Integration of palynological, geological and geophysical disciplines in the exploration of the Reelfoot Rift area |
1989 |
| details |
Late Cambrian |
|
Missouri |
Wood,G.D. et al. Organic-walled microfossils from the Cambrian Davis Shale and Bonneterre Formation, Mid-Continent United States;Integration of palynological, geological and geophysical disciplines in the exploration of the Reelfoot Rift area |
1989 |
| details |
Aeronian |
Telychian |
England |
Martin,F. Acritarchs. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Aeronian |
Telychian |
Wales |
Martin,F. Acritarchs. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Nd |
|
Nd |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |