| original |
Early Pridolian |
|
England(Herefordshire) |
Wetherall,P.M. et al. Palynology, biostratigraphy, and depositional environments around the Ludlow-Pridoli boundary at Woodbury Quarry, Herefordshire, England. |
1999 |
| original |
Early Pridolian |
|
Turkey |
Steemans,P. et al. Ordovician and Silurian cryptospores and miospores from southeastern Turkey. |
1996 |
| original |
Nd |
|
Nd |
Dufka,P. Upper Wenlock miospores and cyptospores derived from a Silurian Volcanic Island in the Prague Basin (Barrandian area, Bohemia) |
1995 |
| original |
Nd |
|
Nd |
Burgess,N.D. et al. Late Wenlock to Early Pridoli cryptospores and miospores from south and southwestern Wales, Great Britain. |
1995 |
| original |
Late Wenlockian |
Early Ludlovian |
Scotland(Tayside) |
Wellman,C.H. A land plant microfossil assemblag of Middle Silurian age from the Stonehaven Group, Scotland. |
1993 |
| original |
Late Homerian |
|
England(Shropshire) |
Burgess,N.D. et al. Silurian Cryptospores and miospores from the type Wenlock area, Shropshire, England. |
1991 |