| details |
Ordovician |
|
Finland |
Tynni,R. On Paleozoic microfossils in clastic dykes on the …land Islands and in the core samples of Lumparn. (In: Paleozoic sediments in the Rapakivi area of the …land Islands. L. Bergman, R. Tynni and B. Winterhalter, editors.) |
1982 |
| details |
Harnagian |
Onnian |
England(Shropshire) |
Turner,R.E. Acritarchs from the type area of the Ordovician Caradoc Series, Shropshire, England. |
1984 |
| details |
Late Oxfordian |
|
Poland |
Sarjeant,W.A.S. Restudy of a 19th-Century dinoflagellate cyst holotype from the Polish Upper Jurassic. |
1980 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. Microplankton from the Kellaways rock and Oxford Clay of Yorkshire |
1961 |
| details |
Nd |
|
Nd |
Rudavskaya,V.A. Palaeozoic Hystrichospheres. |
1969 |
| details |
Silurian |
Emsian |
France(Bretagne) |
Moreau-Benoit,A. Palynological and planktonic research on the Devonian and some Silurian formations of the southeast Massif Armoricain. |
1974 |
| details |
Maastrichtian |
|
USSR(Georgian SSR) |
Maslov,V.P. Hystrichosphaera-spore, what kind of organism? Fossil calcareous algae of the USSR |
1956 |
| details |
Nd |
|
Nd |
Loeblich,A.R.,Jr. et al. Index to the genera, subgenera, and sections of the Pyrrhophyta. IV. |
1970 |
| details |
Oxfordian |
|
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species. |
1973 |
| details |
Nd |
|
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species. |
1973 |
| details |
Nd |
|
Nd |
Le H©riss©,A. Acritarchs and cysts of Prasinophycean algae of the Silurian of Gotland, Sweden. |
1989 |
| details |
Nd |
|
Nd |
Kjellstrжm,G. Ordovician microplankton (baltisphaerids) from the Grotlingbo borehole No.1 in Gotland, Sweden. |
1971 |
| details |
Early Ashgillian |
Middle Ashgillian |
Canada(Anticosti Island) |
Jacobson,S.R. et al. Acritarch biostratigraphy of the Dicellograptus complanatus graptolite zone from the Vaureal form Ation, (Ashgillian), Anticosti Island, Quebec, Canada. |
1985 |
| original |
Early Caradocian |
|
Nd |
Gгrka,H. Microorganisms of the Ordovician of Poland. |
1969 |
| details |
Silurian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Silurian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Silurian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |