| original |
Permian |
Triassic |
Yugoslavia |
de Jekhowsky,B. On some Permian-Triassic Hystrichospheres from Europe and Africa |
1961 |
| original |
Permian |
Triassic |
Yugoslavia |
de Jekhowsky,B. On some Permian-Triassic Hystrichospheres from Europe and Africa |
1961 |
| original |
Permian |
Triassic |
Yugoslavia |
de Jekhowsky,B. On some Permian-Triassic Hystrichospheres from Europe and Africa |
1961 |
| original |
Late Carixian |
|
England(Dorset) |
Wall,D. Microplankton, pollen, and spores from the Lower Jurassic in Britain |
1965 |
| original |
Permian |
Triassic |
Yugoslavia |
de Jekhowsky,B. On some Permian-Triassic Hystrichospheres from Europe and Africa |
1961 |
| original |
Early Permian |
|
United Kingdom |
Wall,D. et al. Permian Hystrichospheres from Britain. |
1963 |
| details |
Bajocian |
Bathonian |
Canada(NWT,Franklin) |
Johnson,C.D. et al. Microplankton zones of the Savik Formation (Jurassic), Axel Heiberg and Ellesmere Islands, District of Franklin. |
1973 |
| details |
Pliensbachian |
|
England |
Riley,L.A. et al. Survey of the stratigraphical distribution of dinoflagellates, acritarchs and tasmanitids in the Jurassic. |
1972 |
| details |
Permian |
Triassic |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Permian |
Triassic |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Permian |
Triassic |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Toarcian |
|
England |
Riley,L.A. et al. Survey of the stratigraphical distribution of dinoflagellates, acritarchs and tasmanitids in the Jurassic. |
1972 |
| details |
Paleozoic |
|
Nd |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Sinemurian |
|
England |
Riley,L.A. et al. Survey of the stratigraphical distribution of dinoflagellates, acritarchs and tasmanitids in the Jurassic. |
1972 |
| details |
Paleozoic |
|
Nd |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Late Permian |
|
West Pakistan |
Sarjeant,W.A.S. Acritarchs and Tasmanitids from the Chhidru Formation, Uppermost Permian of West Pakistan. |
1970 |
| details |
Late Permian |
|
West Pakistan |
Sarjeant,W.A.S. Acritarchs and Tasmanitids from the Chhidru Formation, Uppermost Permian of West Pakistan. |
1970 |