| original |
Sheinwoodian |
|
England(Shropshire) |
Swire,P.H. New chitinozoan taxa from the Lower Wenlock (Silurian) of the Welsh Borderlands, England |
1990 |
| details |
Sheinwoodian |
|
England(Herefordshire) |
Swire,P.H. New chitinozoan taxa from the Lower Wenlock (Silurian) of the Welsh Borderlands, England |
1990 |
| details |
Sheinwoodian |
|
England(Worcestershire) |
Swire,P.H. New chitinozoan taxa from the Lower Wenlock (Silurian) of the Welsh Borderlands, England |
1990 |
| details |
Early Homerian |
|
England(Shropshire) |
Swire,P.H. The palynology of the Lower Wenlock of the Wenlock type area, Shropshire, England. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
| details |
Nd |
|
Nd |
Verniers,J. et al. A global chitinozoa biozonation for the Silurian |
1995 |
| details |
Nd |
|
Nd |
Paris,F. et al. A revised chitinozoan classification |
1999 |
| details |
Late Llandoverian |
Early Wenlockian |
England(Shropshire) |
Verniers,J. Calibration of Chitinozoa versus graptolite biozonation in the Wenlock of Builth Wells district (Wales, U.K), compared with other areas in Avalonia and Baltica. |
1999 |
| details |
Early Wenlockian |
|
Wales(Powys) |
Verniers,J. Calibration of Chitinozoa versus graptolite biozonation in the Wenlock of Builth Wells district (Wales, U.K), compared with other areas in Avalonia and Baltica. |
1999 |