| details |
Ludlovian |
|
USSR(Krasnoyarsk Kray) |
Sheshegova,L.I. The acritarchs of the Silurian of the northern Siberian Platform |
1984 |
| details |
Wenlockian |
Ludlovian |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Gothlandian |
|
England |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Gorstian |
|
Sweden(Gotland) |
Stricanne,L. et al. Acritarch distribution along an inshore-offshore transect in the Gorstian (lower Ludlow) of Gotland, Sweden |
2004 |
| details |
Early Ludlovian |
|
Turkey |
Lakova,I. et al. Early Ludlovian (early Late Silurian) palynomorphs from the Palaeozoic of ‡amdag, NW Anatolia, Turkey |
2005 |
| details |
Early Ludlovian |
|
Turkey |
Lakova,I. et al. Early Ludlovian (early Late Silurian) palynomorphs from the Palaeozoic of ‡amdag, NW Anatolia, Turkey |
2005 |