| 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 |
|
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 |
Middle Siegenian |
|
France(Manche) |
Taugourdeau,P. Scolecodontes of the Silurian-Devonian of Cotentin |
1967 |
| details |
Ludlovian |
Famennian |
Africa(Sahara) |
Taugourdeau,P. The Scolecodonts of Silurian, Devonian and Carboniferous of the Saharian Probes, stratigraphy and systematics |
1968 |
| details |
Cambrian |
Silurian |
Canada(Ontario) |
Kozur,H. A study on the classification of fossil Phyllodocida and Eunicida (polychaeta). |
1970 |
| details |
Middle Gothlandian |
|
North America |
Taugourdeau,P. Scolecodont dispersa |
1978 |
| details |
Middle Gothlandian |
|
Europe |
Taugourdeau,P. Scolecodont dispersa |
1978 |
| details |
Late Ordovician |
|
North America |
Taugourdeau,P. Scolecodont dispersa |
1978 |
| details |
Late Ordovician |
|
Europe |
Taugourdeau,P. Scolecodont dispersa |
1978 |
| details |
Silurian |
|
Sweden |
Bergman,C.F. Polychaete jaws. (In: Lower Wenlock faunal and flora dynamics-Vattenfallet section, Gotland. V.Jaanusson, S.Laufeld and R.Skoglund, editors) |
1979 |
| details |
Sheinwoodian |
Early Homerian |
Sweden |
Bergman,C.F. Silurian Paulinitid Polychaetes from Gotland |
1989 |
| details |
Nd |
|
Nd |
Szaniawski,H. Scolecodonts. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |