| original |
Devonian |
|
Michigan |
Eller,E.R. Scolecodonts from the Potter Farm Article 17, Formation of the Devonian of Michigan |
1938 |
| details |
Middle Devonian |
|
Canada(Ontario) |
Stauffer,C.R. Middle Devonian polychaeta from the Lake Erie District. |
1939 |
| details |
Devonian |
|
Michigan |
Eller,E.R. Additional Scolecodonts from the Potter Farm Formation of the Devonian of Michegan |
1955 |
| details |
Middle Devonian |
Late Devonian |
North America |
Taugourdeau,P. Scolecodont dispersa |
1978 |
| details |
Caradocian |
|
Finland |
Eisenack,A. Contributions to research on Annelids Ii |
1981 |
| details |
Caradocian |
|
Sweden |
Eisenack,A. Contributions to research on Annelids Ii |
1981 |
| details |
Silurian |
|
Sweden |
Eisenack,A. Contributions to research on Annelids Ii |
1981 |
| details |
Nd |
|
Nd |
Szaniawski,H. Scolecodonts. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |