| original |
Ordovician |
Silurian |
Poland |
Kielan-Jaworowska,Z. Polychaete jaw apparatuses from the Ordovician and Silurian of Poland and a comparison with modern forms. |
1966 |
| details |
Ordovician |
Silurian |
Poland |
Kielan-Jaworowska,Z. Scolecodonts versus jaw apparatuses. |
1968 |
| details |
Llandeilian |
Early Ashgillian |
Poland |
Szaniawski,H. Jaw apparatuses of the Ordovician and Silurian polychaetes, from Nielnik borehole. |
1970 |
| details |
Ordovician |
Silurian |
Europe |
Taugourdeau,P. Scolecodont dispersa |
1978 |
| details |
Nd |
|
Nd |
Edgar,D.R. Polychaetes of the Lower and Middle Paleozoic. A multi-element analysis and a phylogenetic outline. |
1984 |
| details |
Llandoverian |
|
USSR(Siberia) |
Myannil,R.M. et al. Silurian polychaetes from northern Siberia |
1985 |
| details |
Idavere |
Rakvere |
Estonia |
Hints,O. Late Viruan (Caradoc) polychaete jaws from North Estonia and the St. Petersburg region. |
1998 |
| details |
Idavere |
Rakvere |
Russia(St.Petersburg) |
Hints,O. Late Viruan (Caradoc) polychaete jaws from North Estonia and the St. Petersburg region. |
1998 |
| details |
Middle Caradocian |
Late Ashgillian |
Estonia |
Hints,O. Ordovician eunicid polychaetes of Estonia and surrounding areas: review of their distribution and diversification. |
2000 |
| details |
Middle Caradocian |
Late Ashgillian |
Estonia |
Hints,O. Ordovician eunicid polychaetes of Estonia and surrounding areas: review of their distribution and diversification. |
2000 |