| original |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |
| details |
Llandeilian |
|
Baltic |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Nd |
|
Nd |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Late Ordovician |
|
USSR(Lithuanian SSR) |
Bagdasaryan,L.L. Phytoplankton from the lower oil bearing formations of the Baltic States. |
1969 |
| details |
Ordovician |
|
Texas |
Kauffman,A.E. Chitinozoans in the subsurface Lower Paleozoic of West Texas |
1971 |
| details |
Early Devonian |
|
Canada(Ontario) |
Deunff,J. On a microplankton from the Devonian of Canada containing some new types of Hystrichosphaerids. |
1954 |
| details |
Ordovician |
Early Devonian |
Nd |
Deflandre,G. Groups Incertae Sedis.Hystrichospheres. chitinozoans. |
1952 |
| details |
Early Ordovician |
|
France(Mayenne) |
Deunff,J. et al. A microplankton of chitinozoans and acritarchs from some shale layers of the Lower Ordovician sandstone of Brittany (Mayene and South of Rennes). |
1970 |
| details |
Early Ordovician |
|
France(Ille-et-Vilaine) |
Deunff,J. et al. A microplankton of chitinozoans and acritarchs from some shale layers of the Lower Ordovician sandstone of Brittany (Mayene and South of Rennes). |
1970 |
| details |
Llanvirnian |
Ludlovian |
Canada(NWT) |
Jansonius,J. Classification and stratigraphic application of chitinozoa. |
1970 |
| details |
Silurian |
|
Algeria |
de Jekhowsky,B. Organic microfossils (spores, hystrichospheres, chitinozoans, etc.), of the Saharan Pre-Quaternary |
1965 |
| details |
Arenigian |
|
Nd |
Achab,A. et al. Paleobiogeography of Ordovician chitinozoans |
1988 |
| details |
Ordovician |
Silurian |
China(Tibet) |
Xing,Y. A discovery of micropalaeophyta, chitinozoa and scolecodonts from Ordovician and Silurian in Keping, Xinjiang. |
1986 |
| details |
Caradocian |
Late Ludlovian |
Nd |
Jansonius,J. Systematics of the chitinozoa. |
1966 |
| details |
Nd |
|
Nd |
Jansonius,J. Morphology and classification of some chitinozoa |
1964 |
| details |
Ordovician |
|
Libya |
Combaz,A. et al. Observations on the structure of chitinozoans. |
1962 |
| details |
Ordovician |
|
Africa(Sahara) |
Combaz,A. et al. Observations on the structure of chitinozoans. |
1962 |