| original |
Middle Cambrian |
|
Poland |
Moczydlowska,M. Acritarcha from the Cambrian of the borehole Okuniew LGI. |
1980 |
| original |
Nd |
|
France(Aude) |
Cocchio,A.M. Lower Paleozoic microflora of (Corbieres, Aude, France). |
1981 |
| original |
Early Gothlandian |
|
Argentina(San Juan) |
Melendi,D.L. et al. Palynological data on the Ordovician-Silurian boundary of Talacasto, San Juan Province.Part 1. Lower Silurian. |
1982 |
| original |
Late Pridolian |
|
Missouri |
Colbath,G.K. Fossil Prasinophycean Phycomata (Chlorophyta), from the Silurian Bainbridge Formation, Missouri, USA. |
1983 |
| original |
Homerian |
|
England(Shropshire) |
Turner,N. et al. A palynological study of the Lower Carboniferous Lydebrook Sandstone and adjacent Late Wenlock and Langsettian Strata, Shropshire, England. |
1995 |
| original |
Early Maestrichtian |
|
Arctic Ocean |
Firth,J.V. et al. An Early Maestrichtian organic-walled phytoplankton cyst assemblage from an organic-rich Black Mud in core Fl-533, Alpha Ridge: Evidence for upwelling conditions in the Cretaceous Arctic Ocean |
1998 |