| details |
Middle Ludlovian |
|
Czechoslovakia |
Snajdr,M. On errant polychaeta from the Lower Paleozoic of Bohemia. |
1952 |
| details |
Nd |
|
Nd |
Kozur,H. A study on the classification of fossil Phyllodocida and Eunicida (polychaeta). |
1970 |
| details |
Ordovician |
|
India |
Viswanathiah,M.N. et al. Scolecodonts and chitinozoa from the Indian Peninsula. |
1980 |
| details |
Middle Ordovician |
Middle Devonian |
Worldwide |
Taugourdeau,P. Importance of evolution of the dispersed scolecodonts, (Annelids) in the stocking of seas during Paleozoic times. |
1983 |
| details |
Nd |
|
Nd |
Bergman,C.F. Silurian Paulinitid Polychaetes from Gotland |
1989 |
| details |
Nd |
|
Nd |
Bergman,C.F. Revision of some Silurian Paulinitid Scolecodonts from Western New York |
1991 |