| original |
Late Carixian |
Toarcian |
England(Dorset) |
Wall,D. Microplankton, pollen, and spores from the Lower Jurassic in Britain |
1965 |
| details |
Early Jurassic |
|
Nd |
Downie,C. The geological history of the microplankton. |
1967 |
| details |
Early Tremadocian |
|
USSR(Estonian SSR) |
Yankauskas,T.V. et al. Micropaleontological characteristics of the Tremadocian Ulgase Member of Estonia. |
1972 |
| details |
Scythian |
|
Canada |
Tappan,H. et al. Smaller protistan evidence and explanation of the Permian-Triassic crisis. (In: The Permian and Triassic systems and their mutual boundary) |
1973 |
| details |
Early Jurassic |
|
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Early Triassic |
|
USSR(Kazakh SSR) |
Tsaturova,A.A. et al. Palynological investigations of Lower Triassic deposits of East Pre-Caucasus and South Mangyshlak. (In: Voprosy biostratigrafii i Paleogeografii Neftegazonosnykh Oblastei SSSR.) |
1977 |
| details |
Rhaetian |
|
England |
Morbey,S.J. Upper Triassic Polygonomorph and Netromorph acritarcha: An Artificial or natural system of taxonomic classiication? |
1980 |
| details |
Olenikian |
|
USSR(Kazakh SSR) |
Vinogradova,K.V. et al. Palynological characteristics of Reb Beds of the Lower Triassic of South Mangyshlak and eastern Pre-Caucasus. |
1980 |
| details |
Olenikian |
|
USSR(Pre-Caucasus) |
Vinogradova,K.V. et al. Palynological characteristics of Reb Beds of the Lower Triassic of South Mangyshlak and eastern Pre-Caucasus. |
1980 |
| details |
Late Jurassic |
|
United Kingdom |
Kumar,A. Fossil Dinophyceae and its uses in Petroleum exploration with special reference to India. |
1980 |
| details |
Early Scythian |
Middle Scythian |
Ireland |
Warrington,G. The indigenous micropalaeontology of British Triassic Shelf Sea deposits. (In: Microfossils from Recent and Fossil Shelf Seas. J.W.Neale and M.D. Brasier. editors) |
1981 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Poland |
Poulsen,N.E. Dinoflagellate cysts from marine Jurassic deposits of Denmark and Poland |
1996 |
| details |
Toarcian |
|
Denmark |
Poulsen,N.E. Dinoflagellate cysts from marine Jurassic deposits of Denmark and Poland |
1996 |
| details |
Permian |
|
England |
Servais,T. Some considerations on acritarch classification |
1996 |