| original |
Ludlovian |
|
Sweden |
Laufeld,S. Silurian chitinozoa from Gotland. |
1974 |
| details |
Whitcliffian |
|
Wales(Denbighshire) |
Swanson,V. et al. Acritarchs and chitinozoa from the Whitcliffian (Silurian) Dinas Bran Beds of Llangollen, Clwyd, North Wales. |
1977 |
| details |
Late Ludlovian |
|
Europe |
Jenkins,W.A.M. et al. Stratigraphic ranges of selected chitinozoa. |
1979 |
| details |
Ludlovian |
|
England(Shropshire) |
Dorning,K.J. Silurian chitinozoa from the type Wenlock and Ludlow of Shropshire, England. |
1981 |
| details |
Silurian |
|
Sweden |
Nestor,V.K. Correlation Fo the East-Baltic and Gotland Silurian by chitinozoans. |
1982 |
| details |
Silurian |
|
USSR(Estonian SSR) |
Nestor,V.K. Correlation Fo the East-Baltic and Gotland Silurian by chitinozoans. |
1982 |
| details |
Pridolian |
|
Libya |
Jaglin,J.-C. Chitinozoan new species from the Pridoli of Libya. |
1986 |
| details |
Silurian |
|
Baltic |
Kaljo,D. et al. The nektic, nektobenthic and planktonic communities, (fishes, agnathans, conodonts, graptolites, chitinozoans) of the East Baltic Silurian). (In: Theory and Practice of Ecostratigraphy. D.Kaljo and E.Klaamann, editors) |
1986 |
| details |
Early Pridolian |
|
Worldwide |
Paris,F. Chitinozoans. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |