| details |
Ordovician |
Silurian |
Baltic |
Eisenack,A. Contributions to Annelid research |
1975 |
| details |
Silurian |
|
Sweden |
Bergman,C.F. Polychaete jaws. (In: Lower Wenlock faunal and flora dynamics-Vattenfallet section, Gotland. V.Jaanusson, S.Laufeld and R.Skoglund, editors) |
1979 |
| details |
Late Richmondian |
|
Oklahoma |
Eriksson,M. et al. Microfossils from the upper Sylvan Shale (Late Ordovician), Oklahoma, USA. (In: Ordovician from the Andes. G.L.Albanesi,M.S.Beresi,S.H.Peralta,editors) |
2003 |
| details |
Silurian |
|
Estonia |
Eriksson,M.E. An overview of Silurian scolecodonts. |
2004 |
| details |
Silurian |
|
Baltic Region |
Eriksson,M.E. An overview of Silurian scolecodonts. |
2004 |
| details |
Late Llandoverian |
Late Ludlovian |
Sweden(Gotland) |
Eriksson,M.E. An overview of Silurian scolecodonts. |
2004 |