| details |
Silurian |
|
Baltic |
Eisenack,A. Neotypes of Baltic Silurian chitinozoan and new species. |
1962 |
| details |
Silurian |
|
Baltic |
Eisenack,A. Neotypes of Baltic Silurian chitinozoan and new species. |
1962 |
| details |
Silurian |
|
Baltic |
Eisenack,A. Neotypes of Baltic Silurian chitinozoan and new species. |
1962 |
| details |
Silurian |
|
Baltic |
Eisenack,A. Neotypes of Baltic Silurian chitinozoan and new species. |
1962 |
| details |
Late Ashgillian |
|
Sweden |
Grahn,Y. Caradocian and Ashgillian chitinozoa from the subsurface of Gotland |
1982 |
| details |
Caradocian |
Ashgillian |
Sweden |
Grahn,Y. Caradocian and Ashgillian chitinozoa from the subsurface of Gotland |
1982 |
| details |
Caradocian |
Pridolian |
USSR(Buryat ASSR) |
Katyukha,Y.P. et al. On the age of the Mangatol and Dabanzhalga Suites and the Oka series in the eastern Saxan Region |
1983 |