| details |
Early Cretaceous |
|
England |
Sarjeant,W.A.S. The Zanthidia |
1965 |
| details |
Dogger |
|
Germany |
Gocht,H. Plankton microorganisms of the Lias-Dogger boundary in North and South Germany |
1964 |
| details |
Campanian |
|
Canada(Saskatchewan) |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
| details |
Campanian |
|
Canada(Manitoba) |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
| details |
Campanian |
|
Canada(Alberta) |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
| details |
Campanian |
|
Texas |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
| details |
Campanian |
|
Wyoming |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
| details |
Callovian |
Oxfordian |
Romania |
Givulescu,R. Fossil flora of Roumania. Second Supplement, Second Part. |
1974 |
| details |
Bajocian |
Oxfordian |
Romania |
Beju,D. Jurassic microplankton from the Carpathian Foreland of Roumania. |
1971 |
| details |
Aptian |
Albian |
Australia(W.Australia) |
Cookson,I.C. et al. Microfossils of Australian Mezosoic and Tertiary sediments. Second part. |
1982 |