| details |
Caradocian |
|
USA |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Caradocian |
|
Scotland |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Late Llandeilian |
|
France(Calvados) |
Rauscher,R. Ordovician chitinozoans from the May-sur-Orne (Calvados) Syncline |
1971 |
| details |
Late Llanvirnian |
Llandeilian |
Australia(W.Australia) |
Combaz,A. et al. Palynostratigraphy of the Ordovician from some boreholes in the Canning Basin, Western Australia. |
1972 |
| details |
Llanvirnian |
|
Canada(Newfoundland) |
Achab,A. Llanvirnian chitinozoans, (Table Head Formation) of Western Newfoundland, Canada. |
1983 |