| original |
Late Cambrian |
|
China(Kirin) |
Yin,L.-M. Acritarchs. (In: Study on Cambrian-Ordovician boundary strata and its biota in Dayangcha, Hunjiang, Jilin, China. J.-Y. Chen, editors) |
1985 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Middle Ordovician |
|
Finland |
Tynni,R. Ordovician hystrichospheres and chitinozoans in limestone from the Bothnian Sea. |
1975 |
| details |
Late Llanvirnian |
|
Sweden |
Staplin,F.L. et al. Evaluation of some acritarchous Hystrichosphere genera. |
1965 |
| details |
Late Frasnian |
Early Famennian |
England(Oxfordshire) |
Owens,B. et al. Micropalaeontology of the Devonian sediments. |
1977 |
| details |
Caradocian |
Early Llandoverian |
Belgium |
Martin,F. The Upper Ordovician and Lower Silurian at Deerlijk (Belgium) |
1973 |
| details |
Nd |
|
Nd |
Kjellstrжm,G. Ordovician microplankton (baltisphaerids) from the Grotlingbo borehole No.1 in Gotland, Sweden. |
1971 |
| details |
Early Caradocian |
|
USSR(Estonian SSR) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Givetian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Givetian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| original |
Arenigian |
Ashgillian |
Sweden |
Eisenack,A. Information concerning the biology of the Hystrichospheres and about new genera. |
1963 |
| original |
Arenigian |
Ashgillian |
USSR(Estonian SSR) |
Eisenack,A. Information concerning the biology of the Hystrichospheres and about new genera. |
1963 |
| details |
Nd |
|
Nd |
Eisenack,A. On the reproduction of Palaeozoic hystrichospheres. |
1968 |
| details |
Nd |
|
Nd |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Nd |
|
Nd |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |