| details |
Late Callovian |
|
France(Calvados) |
Sarjeant,W.A.S. Observations on the acritarch genus Micrhystridium, (Deflandre). |
1967 |
| details |
Late Callovian |
|
France(Calvados) |
Sarjeant,W.A.S. Observations on the acritarch genus Micrhystridium, (Deflandre). |
1967 |
| details |
Late Callovian |
|
France(Calvados) |
Sarjeant,W.A.S. Observations on the acritarch genus Micrhystridium, (Deflandre). |
1967 |
| details |
Cenomanian |
|
France(Pas-de-Calais) |
Sarjeant,W.A.S. Observations on the acritarch genus Micrhystridium, (Deflandre). |
1967 |
| details |
Kimmeridgian |
|
Bulgaria |
Dodekova,L. The dinoflagellates and acritarchs from the Oxfordian-Kimmeridgian of North-East Bulgaria. |
1967 |
| details |
Hettangian |
Late Sinemurian |
England(Dorset) |
Wall,D. Microplankton, pollen, and spores from the Lower Jurassic in Britain |
1965 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Early Callovian |
|
France(Normandie) |
Sarjeant,W.A.S. Microplankton from the Callovian (S.Calloviense zone) of Normandy |
1965 |
| details |
Early Callovian |
|
France(Normandie) |
Sarjeant,W.A.S. Microplankton from the Callovian (S.Calloviense zone) of Normandy |
1965 |
| details |
Late Westphalian B |
Early Westphalian C |
England(Yorkshire) |
Spode,F. A new record of Hystrichospheres, from the Mansfield Marine Band, Westphalian. |
1964 |
| details |
Dogger |
|
Germany |
Gocht,H. Plankton microorganisms of the Lias-Dogger boundary in North and South Germany |
1964 |
| details |
Bajocian |
Callovian |
France |
Sarjeant,W.A.S. The stratigraphic application of fossil microplankton (dinoflagellates and hystrichospheres ) in the Jurassic. |
1964 |
| details |
Early Permian |
|
United Kingdom |
Wall,D. et al. Permian Hystrichospheres from Britain. |
1963 |