| original |
Late Ludlovian |
|
Canada(Arctic) |
Walliser,O.H. Scolecodonts, conodonts and vertebrates. (In: A Late Silurian fauna from the Sutherland River Formation, Devon Island, Canadian Arctic Archipelago) |
1960 |
| details |
Early Devonian |
|
France |
Graindor,M.-J. et al. Chitinozoans of the Silurian-Devonian in the northern Massif Armoricain |
1966 |
| original |
Ludlovian |
|
France(Manche) |
Taugourdeau,P. Scolecodontes of the Silurian-Devonian of Cotentin |
1967 |
| original |
Early Muschelkalk |
|
Poland |
Zawidzka,K. A polychaete jaw apparatus and some scolecodonts from the Polish Middle Triassic. |
1971 |
| original |
Kimmeridgian |
|
France |
Courtinat,B. Post-Paleozoic mobile polychaetia:Imprint, jaws and scolecodonts. |
1990 |