| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Late Ordovician | Baltic | VavrdovЎ,M. Geographical differentiation of Ordovician acritarch assemblages in Europe. | 1974 | |
| details | Silurian | Worldwide | Kedves,M. Introduction to the palynology of Pre-Quaternary deposits | 1986 | |
| details | Ordovician | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 | |
| details | Nd | Nd | Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. | 1998 |