| original |
Zechstein |
|
E.Germany(Erfurt) |
Seidel,S. Scolecodonts from the Thuringian Zechstein |
1959 |
| details |
Permian |
|
Europe |
Taugourdeau,P. Scolecodont dispersa |
1978 |
| details |
Nd |
|
Nd |
Szaniawski,H. Three new polychaete jaw apparatuses from the Upper Permian of Poland. |
1968 |
| details |
Muschelkalk |
|
Germany |
Courtinat,B. Post-Paleozoic mobile polychaetia:Imprint, jaws and scolecodonts. |
1990 |
| details |
Early Muschelkalk |
|
Poland |
Zawidzka,K. A polychaete jaw apparatus and some scolecodonts from the Polish Middle Triassic. |
1971 |