| details |
Senonian |
|
Nd |
Deflandre,G. Groups Incertae Sedis.Hystrichospheres. chitinozoans. |
1952 |
| details |
Senonian |
|
Nd |
Deflandre,G. The problem of Hystrichospheres. |
1947 |
| details |
Maastrichtian |
|
Netherlands |
de Wit,R. Hystrichosphaeridae of the Limburg Flint. |
1943 |
| details |
Nd |
|
Nd |
De Coninck,J. Organic walled microfossils of the Lower Ypresian of Quenast. |
1986 |
| details |
Nd |
|
Nd |
Davey,R.J. et al. The genus Hystrichosphaeridium and its allies. (In: Studies on Mesozoic and Cainozoic Dinoflagellate Cysts. R.J.Davey, C.Downie, W.A.S.Sarjeant and G.L.Williams) |
1966 |
| details |
Senonian |
|
France(Paris Basin) |
Davey,R.J. et al. Appendix to "Studies on Mesozoic and Cainozoic dinoflagellate cysts" |
1969 |
| details |
Maastrichtian |
|
Belgium |
Conrad,W. Notes on protistologiques, XIX. Some microfossils of the Cretaceous Flint. |
1941 |
| details |
Late Paleocene |
Early Eocene |
Maryland |
Brenner,G.J. Appendix B; Micropaleontological data: Palynology. (In: Geologic and Hydrologic data from two core Holes drilled through the Aquia Formation (Eocene-Paleocene) in Prince George's and Queen Anne's Counties, Maryland |
1977 |