| original |
Middle Callovian |
Late Callovian |
Poland |
Szaniawski,H. Some Mesozoic Scolecodonts Congeneric with recent forms |
1974 |
| details |
Jurassic |
|
Europe |
Taugourdeau,P. Scolecodont dispersa |
1978 |
| details |
Callovian |
|
Poland |
Szaniawski,H. Scolecodonts and conodonts of Poland and their problems of systematics |
1975 |
| details |
Bathonian |
|
Poland |
Courtinat,B. Post-Paleozoic mobile polychaetia:Imprint, jaws and scolecodonts. |
1990 |
| details |
Nd |
|
Nd |
Szaniawski,H. Scolecodonts. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |