| original |
Llandoverian |
|
Pennsylvania |
Strother,P.K. et al. Plant microfossils from Llanderovian and Wenlockian rocks of Pennsylvania. |
1979 |
| original |
Early Rhuddanian |
|
Wales(Dyfed) |
Burgess,N.D. Silurian Cryptospores and miospores from the type Llandovery area, southwest Wales. |
1991 |
| original |
Early Wenlockian |
|
England(Shropshire) |
Burgess,N.D. Silurian Cryptospores and miospores from the type Llandovery area, southwest Wales. |
1991 |
| original |
Llandoverian |
|
Brazil(Mato Grosso) |
Gray,J. et al. Silurian age fossils from the Paleozoic Parana Basin, Southern Brazil |
1985 |
| details |
Late Ordovician |
Llandoverian |
Bulgaria |
Lakova,I. Upper Ordovician to Llandovery land plant spores and acritarchs from Dervent Heights, southwest Bulgaria |
1992 |
| details |
Gedinnian |
|
England(Herefordshire) |
Barclay,W.J. et al. Brackish water faunas from the St.Maughans Formation: The Old Red Sandstone Section at Ammons Hill, Hereford and Worcester, United Kingdom re-examined. |
1994 |
| details |
Late Homerian |
Ludfordian |
Sweden(Gotland) |
Hagstrom,J. Land-derived palynomorphs from the Silurian of Gotland, Sweden. |
1997 |
| details |
Pridolian |
Early Lochkovian |
England(Shropshire) |
Edwards,D. et al. Tetrads in sporangia and spore masses from Upper Silurian and Lower Devonian of the Welsh Borderland |
1999 |
| details |
Nd |
|
Nd |
Pant,D.D. et al. Possible fossil sporae dispersae of Hepaticae and Anthocerotale in the fossil record |
1991 |
| details |
Early Silurian |
Early Devonian |
Nd |
Pant,D.D. et al. Possible fossil sporae dispersae of Hepaticae and Anthocerotale in the fossil record |
1991 |
| details |
Early Ordovician |
|
Nd |
Pant,D.D. et al. Possible fossil sporae dispersae of Hepaticae and Anthocerotale in the fossil record |
1991 |
| details |
Pridolian |
|
England(Shropshire) |
Edwards,D. et al. Tetrads in Sporangia and spores Masses from the Upper Silurian and Lower Devonian of the Welsh Borderland |
1999 |
| details |
Gedinnian |
|
England(Worcestershire) |
Barclay,W.J. et al. Brackish water faunas from the St.Maughans Formation: The Old Red Sandstone Section at Ammons Hill, Hereford and Worcester, United Kingdom re-examined. |
1994 |
| details |
Gorstian |
|
Wales(Dyfed) |
Burgess,N.D. et al. Late Wenlock to Early Pridoli cryptospores and miospores from south and southwestern Wales, Great Britain. |
1995 |
| details |
Sheinwoodian |
Homerian |
Scotland |
Richardson,J.B. Paleozoic spores and pollen: Lower and Middle Palaeozoic record of terrestrial palynomorphs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Early Gedinnian |
|
England |
Richardson,J.B. Paleozoic spores and pollen: Lower and Middle Palaeozoic record of terrestrial palynomorphs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Caradocian |
Early Pridolian |
Nd |
Richardson,J.B. Paleozoic spores and pollen: Lower and Middle Palaeozoic record of terrestrial palynomorphs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |