| original |
Cambrian |
Silurian |
Canada(Ontario) |
Hinde,G.J. On Annelid jaws from the Cambro-Silurian, Silurian and Devonian Formations in Canada and from the Lower Carboniferous in Scotland |
1879 |
| details |
Wenlockian |
|
England(Shropshire) |
Hinde,G.J. On Annelid jaws from the Wenlock and Ludlow formations of the west of England. |
1880 |
| details |
Wenlockian |
|
Australia(NSW) |
Ethington,R.L. On the occurrence of the genus Turrilepas, H.Woodw., and Annelid jaws in the Upper Silurian (?Wenlock) rocks of New South Wales. |
1890 |
| details |
Late Ordovician |
Middle Gothlandian |
North America |
Taugourdeau,P. Scolecodont dispersa |
1978 |
| details |
Late Ordovician |
Middle Gothlandian |
Europe |
Taugourdeau,P. Scolecodont dispersa |
1978 |