| details |
Paleozoic |
|
Nd |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Jurassic |
|
Nd |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Maastrichtian |
|
Switzerland |
Badoux,H. et al. The age of the Helminthoides Flysch of the Romand and Chablais Prealps. |
1963 |
| details |
Maastrichtian |
|
France(Savoie,Haute) |
Badoux,H. et al. The age of the Helminthoides Flysch of the Romand and Chablais Prealps. |
1963 |
| details |
Middle Callovian |
Late Oxfordian |
England(Dorset) |
Sarjeant,W.A.S. Upper Jurassic microplankton from Dorset, England. |
1962 |
| details |
Callovian |
Oxfordian |
England(Yorkshire) |
Sarjeant,W.A.S. Microplankton from the Kellaways rock and Oxford Clay of Yorkshire |
1961 |
| details |
Late Oxfordian |
|
England(Yorkshire) |
Sarjeant,W.A.S. Microplankton from the Corallian rocks of Yorkshire. |
1960 |
| details |
Cretaceous |
|
Australia(NSW) |
Sarjeant,W.A.S. Microplankton from the Cornbrash of Yorkshire. |
1959 |