| details |
Silurian |
|
Nd |
Sarjeant,W.A.S. Acritarchs; anellotubulates; dinoflagellates; hystrichospheres; melanosclerites; tasmanitids. (Edited by Fairbridge and Jablonsky) |
1979 |
| details |
Silurian |
|
France |
Deunff,J. Recent progress in the knowledge of fossil microplankton, especially Hystrichospheres, of the Paleozoic Seas |
1956 |
| details |
Silurian |
|
England |
Rudavskaya,V.A. Palaeozoic Hystrichospheres. |
1969 |
| details |
Paleozoic |
|
Nd |
Sarjeant,W.A.S. Fossil algae and modern rock-dating. |
1963 |
| details |
Ordovician |
|
France |
Norris,G. et al. A descriptive index of genera of fossil Dinophyceae and acritarcha. |
1965 |
| details |
Ordovician |
|
France |
Sheshegova,L.I. The acritarchs of the Paleozoic. |
1971 |
| details |
Ordovician |
|
France |
Babin,C. et al. The Ordovician of the Armoricain Massif (France). (In:The Ordovician System. M.G.Bassett, editor) |
1976 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Nd |
|
Nd |
Strother,P.K. Acritarchs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Middle Ordovician |
|
Oklahoma |
Tappan,H. The Paleobiology of Plant Protists. |
1980 |
| details |
Middle Ordovician |
|
Sweden |
Kjellstrжm,G. Middle Ordovician microplankton from the Grotlingbo borehole No.1 in Gotland, Sweden. |
1971 |
| details |
Middle Ordovician |
|
France(Mayenne) |
Chauvel,J.J. et al. Discovery of an association of iron-ore microplankton in the Ordovician of the north side of the Laval Basin (Mayenne). Petrographic and micropaleontologic study. |
1970 |
| details |
Middle Ordovician |
|
Oklahoma |
Loeblich,A.R.,Jr. et al. North American species of the Ordovician acritarch genus Aremoricanium. |
1971 |
| details |
Ludlovian |
|
USSR(Tuvinskaya A.O.) |
Sheshegova,L.I. Phytoplankton of the Silurian from the Tuva, (the section of the "Elegest"). |
1975 |
| details |
Llanvirnian |
Early Caradocian |
USSR(Estonian SSR) |
Uutela,A. et al. Ordovician acritarchs from the Rapla borehole, Estonia |
1991 |
| details |
Llanvirnian |
Caradocian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. |
1974 |
| details |
Llanvirnian |
|
E.Germany |
Burmann,G. The Ordovician of the northern Phyllite zone |
1973 |