| original |
Silurian |
|
Sweden |
Eisenack,A. Contributions to research on Annelids Ii |
1981 |
| details |
Nd |
|
Nd |
Szaniawski,H. Three new polychaete jaw apparatuses from the Upper Permian of Poland. |
1968 |
| original |
Early Mississippian |
|
Missouri |
Sylvester,R.K. Scolecodonts from Central Missouri |
1959 |
| original |
Thanetian |
|
France |
Courtinat,B. Post-Paleozoic mobile polychaetia:Imprint, jaws and scolecodonts. |
1990 |
| details |
Devonian |
|
Michigan |
Eller,E.R. Art.15; Scolecodonts from the Dundee, Devonian of Michigan. |
1963 |
| details |
Devonian |
|
Canada(Ontario) |
Eller,E.R. Article 21; Scolecodonts of the Delaware Limestone Devonian of Ohio and Ontario |
1964 |
| details |
Nd |
|
Nd |
Eller,E.R. Annelid jaws from the Hamilton Group of Ontario County, New York. |
1935 |
| details |
Wolfcampian |
|
Kansas |
Tasch,P. et al. A scolecodont natural assemblage from the Kansas Permian. |
1965 |
| details |
Wolfcampian |
|
Kansas |
Tasch,P. et al. A scolecodont natural assemblage from the Kansas Permian. |
1965 |