| details |
Senonian |
|
Nd |
Deflandre,G. Groups Incertae Sedis.Hystrichospheres. chitinozoans. |
1952 |
| details |
Maastrichtian |
|
Netherlands |
de Wit,R. Hystrichosphaeridae of the Limburg Flint. |
1943 |
| details |
Cenomanian |
Turonian |
Italy |
Serpagli,E. First study of dinoflagellates and Hystrichospheres of the Italian Mesozoic (Upper Cretaceous, northern Apennines). |
1964 |
| details |
Nd |
|
France(Indre-et-Loire) |
Valensi,L. Micropaleontology of the Grand Pressigny Flint. |
1957 |
| details |
Senonian |
|
France(Seine-Maritim) |
Deflandre-Rigaud,M. Microfossils of the Senonian Chert of Treport (Seine-Maritime). |
1955 |
| details |
Danian |
|
Europe |
Wetzel,W. Contribution to the knowledge of Danian marine plankton. |
1952 |
| details |
Campanian |
|
Poland |
GŠ³rka,H. Coccolithophorids, dinoflagellates, hystrichosphaerids and incertae sedis microfossils of the Upper Cretaceous of Poland. |
1963 |
| details |
Priabonian |
|
Romania |
Olaru,L. Research on the stratigraphical distribution of microflora in the Paleogene flysch situated between the Bistrita and Totus Rivers. |
1978 |