| details |
Ashgillian |
Rhuddanian |
Nd |
Richardson,J.B. et al. Sporomorphs and plant megafossils. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Ashgillian |
Early Pridolian |
Turkey |
Steemans,P. et al. Ordovician and Silurian cryptospores and miospores from southeastern Turkey. |
1996 |
| details |
Late Llandoverian |
Early Wenlockian |
S.Ireland(Clare) |
Williams,D.M. et al. Implications of the new microfloral evidence from the Clew Bay complex for Silurian relationships in the Western Irish Caledonides. |
1996 |
| details |
Late Ordovician |
Early Silurian |
England(Shropshire) |
Edwards,D. The role of Mid-Palaeozoic mesofossils in the detection of early bryophytes. |
2000 |