| details |
Ordovician |
|
Romania |
Beju,D. The present stage of the palynological researches concerning the Antecretaceous of Romania. |
1971 |
| details |
Ordovician |
|
North Dakota |
Morgan,D.H. Chitinozoa from the Williston Basin in North Dakota. |
1964 |
| details |
Ordovician |
Silurian |
Sweden |
Grahn,Y. Chitinozoa and the Ordovician-Silurian boundary in Southern Sweden. |
1977 |
| details |
Nd |
|
Nd |
Taugourdeau,P. Several systematic attributes proposed for chitinozoa. |
1981 |
| details |
Nd |
|
Nd |
Bockelie,T.G. The internal structures of species of Lagenochitina and Conochtina. |
1980 |
| details |
Nd |
|
Nd |
Jansonius,J. Morphology and classification of some chitinozoa |
1964 |
| details |
Nd |
|
Nd |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Nd |
|
Nd |
Tappan,H. Chitinozoan classification. |
1966 |
| details |
Nd |
|
Baltic |
Zalusky,D.W. Paleobiogeography of chitinozoa. (In: Stratigraphic Micropaleontology of Atlantic Basin and Borderlands. F.M.Swain, editor) |
1977 |
| details |
Middle Ordovician |
|
Finland |
Tynni,R. Ordovician hystrichospheres and chitinozoans in limestone from the Bothnian Sea. |
1975 |
| details |
Middle Llandoverian |
|
Paraguay |
Wood,G.D. et al. Distinctive Silurian chitinozoans from the Itacurubi Group (Bargas Pena Shale), Chaco Basin, Paraguay. |
1991 |
| details |
Llanvirnian |
Ludlovian |
Italy(Sardinia) |
Del Rio,M. et al. Discovery of chitinozoa from the Laconi Formation |
1978 |
| details |
Llanvirnian |
Ludlovian |
Canada(NWT) |
Jansonius,J. Classification and stratigraphic application of chitinozoa. |
1970 |
| details |
Llanvirnian |
|
Morocco |
Deunff,J. Acritarch microplankton found in the Llanvirnian shales of the Anti-Atlas Mountains (Zagora-Morocco). |
1977 |
| details |
Llanvirnian |
Llandeilian |
Spain |
Fombella,M.A. et al. New palynological results from the Oville Formation at Southwest Vozmediano, Leon (northwestern Spain). (In: Commision Internationale De |
1996 |
| details |
Llandoverian |
|
Canada(Quebec) |
Asselin,E. Biostratigraphy of chitinozoans of the Early Silurian of the Bay of Chaleur, Gaspe. |
1985 |
| original |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |