| details |
Early Jurassic |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Toarcian |
|
W.Germany(Niedersachsen) |
Prauss,M. Dinocyst-stratigraphy and palynofacies in the Upper Liassic and Dogger of Northwest-Germany. |
1989 |
| details |
Toarcian |
|
Germany |
Riley,L.A. et al. Survey of the stratigraphical distribution of dinoflagellates, acritarchs and tasmanitids in the Jurassic. |
1972 |
| details |
Nd |
|
Nd |
Jux,U. A study of the cyst Pleurozonaria O. Wetzel, 1933. |
1970 |
| details |
Liassic |
|
W.Germany(Niedersachsen) |
M¤dler,K.A. Tasmanites and related planktonic organisms from the Posidonian Shales. |
1969 |
| original |
Liassic |
|
W.Germany(Niedersachsen) |
M¤dler,K.A. Organic microstructures of the Posidonia Shale. |
1963 |