| details |
Wealden |
|
France(Pas-de-Calais) |
Delcourt,A.F. et al. Spores and pollen grains, Hystrichoshperes and Peridinians in the Wealdian of Feron-Glageon. |
1959 |
| details |
Wealden |
|
France(Pas-de-Calais) |
Delcourt,A.F. et al. A curious association of microfossils from the Wealdian of Feron-Glageon, France. |
1959 |
| details |
Late Jurassic |
|
England(Yorkshire) |
Sarjeant,W.A.S. Microplankton from the Cornbrash of Yorkshire. |
1959 |
| details |
Wealden |
|
Belgium |
Delcourt,A.F. et al. Some microfossils from the Wealdian of Feron-Glageon. |
1957 |
| details |
Late Bathonian |
Callovian |
France(Cher) |
Valensi,L. Micropaleontologic study of flint from the Magdelenian of Saint Amand, (Cher). |
1955 |
| details |
Bajocian |
Bathonian |
France(Poitou) |
Valensi,L. Microfossils from flint of the Middle Jurassic. Petrographic remarks. |
1953 |
| details |
Bajocian |
Bathonian |
France(Poitou) |
Valensi,L. Microfossils from flint of the Middle Jurassic. Petrographic remarks. |
1953 |
| details |
Bathonian |
|
France(Vienne) |
Valensi,L. Preliminary note on a study of microfossils from the Jurassic Flint from the Poitiers Region. |
1947 |
| original |
Bajocian |
|
France(Calvados) |
Deflandre,G. On some planktonic microorganisms from Jurassic Flints. |
1947 |