| details |
Llandoverian |
Wenlockian |
USSR(Siberia) |
Myannil,R.M. et al. Silurian polychaetes from northern Siberia |
1985 |
| details |
Llandeilian |
Rakvere |
Estonia |
Hints,O. Late Viruan (Caradoc) polychaete jaws from North Estonia and the St. Petersburg region. |
1998 |
| details |
Llandeilian |
Rakvere |
Russia(St.Petersburg) |
Hints,O. Late Viruan (Caradoc) polychaete jaws from North Estonia and the St. Petersburg region. |
1998 |
| details |
Middle Ordovician |
Late Ordovician |
Europe |
Taugourdeau,P. Scolecodont dispersa |
1978 |
| details |
Late Llandoverian |
Early Wenlockian |
Sweden(Gotland) |
Eriksson,M. Lower Silurian polychaetaspid polychaetes from Gotland, Sweden. |
1997 |
| details |
Llandeilian |
Early Ashgillian |
Poland |
Szaniawski,H. Jaw apparatuses of the Ordovician and Silurian polychaetes, from Nielnik borehole. |
1970 |
| details |
Middle Ordovician |
|
Poland |
Corradini,D. et al. Ultrastructure of some fossil and recent polychaete jaws, (scolecodonts). |
1974 |
| details |
Late Ludlovian |
|
Canada(Arctic) |
Walliser,O.H. Scolecodonts, conodonts and vertebrates. (In: A Late Silurian fauna from the Sutherland River Formation, Devon Island, Canadian Arctic Archipelago) |
1960 |
| details |
Caradocian |
|
Poland |
Kielan-Jaworowska,Z. New Ordovician genera of polychaete jaw apparatuses. |
1962 |
| details |
Ordovician |
|
Poland |
Kielan-Jaworowska,Z. On two Ordovician polychaete jaw apparatuses. |
1961 |
| details |
Middle Ordovician |
|
Poland |
Kielan-Jaworowska,Z. Polychaete jaw apparatuses from the Ordovician and Silurian of Poland and a comparison with modern forms. |
1966 |
| details |
Middle Ordovician |
|
Poland |
Kielan-Jaworowska,Z. Polychaete jaw apparatuses from the Ordovician and Silurian of Poland and a comparison with modern forms. |
1966 |
| details |
Middle Ordovician |
|
Poland |
Kielan-Jaworowska,Z. Polychaete jaw apparatuses from the Ordovician and Silurian of Poland and a comparison with modern forms. |
1966 |
| details |
Middle Devonian |
|
USSR(Siberia) |
Myannil,R.M. et al. The find of Middle Paleozoic polychaeta of the southeastern part of the Western Siberian Platform. (In: Paleozoic biostratigraphy of Western Siberia. V.N.Dubatolov and A.V.Kanygni, editors) |
1985 |
| original |
Ordovician |
|
Poland |
Kozlowski,R. Some ornamentation on Masticatory of Ordovician Annelides Polychete |
1956 |
| details |
Ordovician |
|
Poland |
Kozlowski,R. Some ornamentation on Masticatory of Ordovician Annelides Polychete |
1956 |
| details |
Ordovician |
|
Poland |
Eriksson,M. Lower Silurian polychaetaspid polychaetes from Gotland, Sweden. |
1997 |