| original |
Middle Oligocene |
Middle Miocene |
W.Germany(Niedersachsen) |
Gerlach,E. Oligocene and Miocene microfossils of Northwestern Germany, with special consideration of Hystrichospheres and dinoflagellate. |
1961 |
| details |
Paleozoic |
|
Nd |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Miocene |
|
W.Germany(Niedersachsen) |
Davey,R.J. et al. The genera Hystrichosphaera and Achomosphaera. (In: Studies on Mesozoic and Cainozoic Dinoflagellate Cysts. R.J.Davey, C.Downie, W.A.S.Sarjeant and G.L.Williams) |
1966 |
| details |
Middle Oligocene |
Middle Miocene |
W.Germany(Niedersachsen) |
Davey,R.J. et al. Appendix to "Studies on Mesozoic and Cainozoic dinoflagellate cysts" |
1969 |
| details |
Nd |
|
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species. |
1973 |
| details |
Miocene |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |