| original |
Late Ordovician |
|
Canada(NWT,Keewatin) |
Miller,M.A. et al. Velatasphaera hudsonii, gen.et sp.nov., an Ordovician acritarch from Hudson Strait, Northwest Territories, Canada |
1988 |
| details |
Late Ordovician |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Strother,P.K. Acritarchs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Pliocene |
Pleistocene |
Atlantic Ocean(North) |
McCarthy,F.M.G. et al. Oceanic pollen Transport and pollen: dinocyst Ratios as markers Late Cenozoic Sea level change and sediment Transport |
1998 |