| details |
Late Devonian |
Early Mississippian |
Missouri |
Sylvester,R.K. Scolecodonts from Central Missouri |
1959 |
| 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 |
| original |
Middle Devonian |
|
Canada(Ontario) |
Stauffer,C.R. Middle Devonian polychaeta from the Lake Erie District. |
1939 |
| details |
Middle Devonian |
|
North America |
Taugourdeau,P. Scolecodont dispersa |
1978 |
| details |
Wolfcampian |
|
Kansas |
Tasch,P. et al. Scolecodonts from the Fort Riley Limestone, (Wolfcampian), of Kansas. |
1960 |
| details |
Early Muschelkalk |
|
Poland |
Zawidzka,K. A polychaete jaw apparatus and some scolecodonts from the Polish Middle Triassic. |
1971 |
| details |
Late Kinderhookian |
|
Missouri |
Gutschick,R.C. Early Mississippian, (Lower Carboniferous - Tournaisian). Micropaleontology in the United States. |
1960 |
| details |
Wolfcampian |
|
Kansas |
Tasch,P. et al. Study of Scolecodonts by transmitted light |
1961 |
| details |
Wolfcampian |
|
Kansas |
Tasch,P. et al. A scolecodont natural assemblage from the Kansas Permian. |
1965 |