| original |
Early Tremadocian |
|
Algeria |
Combaz,A. A microbiota of the Tremadocian in a drilling of Hassi-Messaoud. |
1967 |
| original |
Early Tremadocian |
|
Algeria |
Combaz,A. A microbiota of the Tremadocian in a drilling of Hassi-Messaoud. |
1967 |
| original |
Tremadocian |
|
Algeria |
Combaz,A. On a microbiota of Tremadocian age at Hassi-Messaoud. |
1967 |
| details |
Early Tremadocian |
|
Africa |
Combaz,A. Stratigraphy of the chitinozoans. |
1972 |
| details |
Early Arenigian |
|
Australia |
Combaz,A. Stratigraphy of the chitinozoans. |
1972 |
| details |
Arenigian |
|
Australia(W.Australia) |
Combaz,A. et al. Palynostratigraphy of the Ordovician from some boreholes in the Canning Basin, Western Australia. |
1972 |
| details |
Early Tremadocian |
Middle Tremadocian |
Africa |
Jenkins,W.A.M. et al. Stratigraphic ranges of selected chitinozoa. |
1979 |
| details |
Tremadocian |
|
Spain |
Fombella Blanco,M.A. Chitinizoa of the Tremadocian Oville Formation, Leon Province. |
1983 |
| details |
Tremadocian |
|
USSR(Kazakh SSR) |
Zaslavskaya,N.M. et al. First chitinozoa of the Late Cambrian Early Ordovician of Kazakhstan |
1987 |
| details |
Tremadocian |
|
Gondwanaland |
Paris,F. The Ordovician chitinozoan biozones of the northern Gondwana Domain |
1990 |
| details |
Late Tremadocian |
|
China(Hopei) |
Wang,X.-F. et al. Earliest Ordovician chitinozoans from the eastern Yangtze Gorges. |
1992 |