| original |
Middle Carboniferous |
Early Permian |
Argentina(Mendoza) |
Ottone,E.G. First occurance of Scolecodonts of the Upper Paleozoic of the Republic of Argentina |
1988 |
| details |
Pragian |
|
France(Mayenne) |
Taugourdeau,P. The Scolecodonts. (In: The Schists and Limestones of the Eodevonian of Saint-Cenere. (In: Massif Armoricain, France. H.Lardeux, editor) |
1976 |
| details |
Ordovician |
|
Finland |
Eisenack,A. Contributions to Annelid research |
1975 |
| details |
Early Llandoverian |
|
Belgium |
Martin,F. The Upper Ordovician and Lower Silurian at Deerlijk (Belgium) |
1973 |
| details |
Nd |
|
Nd |
Taugourdeau,P. Cuticular debris of Annelides associated with scolecodont. |
1972 |
| original |
Early Muschelkalk |
|
Poland |
Zawidzka,K. A polychaete jaw apparatus and some scolecodonts from the Polish Middle Triassic. |
1971 |
| details |
Ludlovian |
|
France |
Paris,F. et al. Discovery of a rich microbiota of acritarchs and chitinozoans in the formations of the Median Syncline (Armoricain Massive, environs of Saint-Medard-sur-Ille). Presence of spores and scolecodonts. |
1969 |
| details |
Devonian |
|
Canada(Ontario) |
Eller,E.R. Article 21; Scolecodonts of the Delaware Limestone Devonian of Ohio and Ontario |
1964 |