| details |
Middle Ordovician |
Triassic |
Worldwide |
Taugourdeau,P. Importance of evolution of the dispersed scolecodonts, (Annelids) in the stocking of seas during Paleozoic times. |
1983 |
| details |
Ordovician |
Devonian |
Germany |
Matthes,H.W. Introduction to micropaleontology |
1956 |
| details |
Clintonian |
|
New York |
Johnson,H. Middle Silurian scolecodonts from Rochester, New York. |
1937 |
| details |
Nd |
|
Nd |
Szaniawski,H. Scolecodonts. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Nd |
|
Nd |
Kozur,H. A study on the classification of fossil Phyllodocida and Eunicida (polychaeta). |
1970 |