| details |
Ordovician |
|
Poland |
Corradini,D. et al. Ultrastructure of some fossil and recent polychaete jaws, (scolecodonts). |
1974 |
| details |
Llandoverian |
|
USSR(Siberia) |
Myannil,R.M. et al. Silurian polychaetes from northern Siberia |
1985 |
| 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 |
Richmondian |
|
Kentucky |
Eriksson,M. Late Ordovician polychaetaspid polychaete annelids from the type Cincinnatian region, USA.(In: Ordovician from the Andes. G.L.Albanesi,M.S.Beresi,S.H.Peralta,editors) |
2003 |
| details |
Richmondian |
|
Ohio |
Eriksson,M. Late Ordovician polychaetaspid polychaete annelids from the type Cincinnatian region, 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 |