| details |
Late Ordovician |
|
Canada(Anticosti Island) |
Achab,A. Upper Ordovician chitinozoa: Vaureal and Ellis Bay Formations - Anticosti Island, Quebec. |
1978 |
| details |
Llandeilian |
|
Spain |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Caradocian |
|
Spain |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Caradocian |
|
Spain |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Caradocian |
|
Spain |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Caradocian |
|
Spain |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Caradocian |
|
Portugal |
Paris,F. Chitinozoans of the Louredo Formation, Upper Ordovician of the Bucaco Syncline, (Portugal). |
1979 |
| details |
Caradocian |
|
Portugal |
Paris,F. Chitinozoans of the Louredo Formation, Upper Ordovician of the Bucaco Syncline, (Portugal). |
1979 |
| details |
Caradocian |
|
Portugal |
Paris,F. Chitinozoans of the Louredo Formation, Upper Ordovician of the Bucaco Syncline, (Portugal). |
1979 |
| details |
Caradocian |
|
Portugal |
Paris,F. Chitinozoans of the Louredo Formation, Upper Ordovician of the Bucaco Syncline, (Portugal). |
1979 |
| details |
Caradocian |
|
Portugal |
Paris,F. Chitinozoans of the Louredo Formation, Upper Ordovician of the Bucaco Syncline, (Portugal). |
1979 |
| details |
Caradocian |
|
Portugal |
Paris,F. Chitinozoans of the Louredo Formation, Upper Ordovician of the Bucaco Syncline, (Portugal). |
1979 |
| details |
Early Ordovician |
|
Nd |
Jansonius,J. et al. Chitinozoa. |
1978 |
| details |
Famennian |
|
North America |
Jenkins,W.A.M. et al. Stratigraphic ranges of selected chitinozoa. |
1979 |
| details |
Ordovician |
|
Sweden |
Grahn,Y. et al. On the affinity of chitinozoa. |
1980 |
| original |
Late Ordovician |
|
Ohio |
Miller,M.A. Paleocological significance of chitinozoan recurrent species associations, (Upper Ordovician), Cincinnati Regon, USA. |
1980 |
| original |
Late Ordovician |
|
Kentucky |
Miller,M.A. Paleocological significance of chitinozoan recurrent species associations, (Upper Ordovician), Cincinnati Regon, USA. |
1980 |