| original |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |
| original |
Virgilian |
|
Kansas |
Hutter,T.J. et al. Pennsylvanian (Virgilian) chitinozoan fauna from eastern Kansas. |
1977 |
| details |
Virgilian |
|
Kansas |
Tasch,P. et al. Pennsylvanian chitinozoans from eastern Kansas. |
1978 |
| details |
Llanvirnian |
|
England(Shropshire) |
Jenkins,W.A.M. Ordovician chitinozoa from Shropshire. |
1967 |
| details |
Middle Ordovician |
Late Ordovician |
Africa |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Middle Gothlandian |
|
Africa |
Taugourdeau,P. et al. Chitinozoans-Illustrated bibliographic analysis |
1967 |
| details |
Llanvirnian |
|
England(Lancashire) |
Downie,C. et al. Age of the Eycott Volcanic Group and its Conformable relationship to the Skiddaw Slates in the English Lake District. |
1972 |
| details |
Late Ordovician |
|
Baltic |
Nolvak,J. Results of quantitative stratigraphic correlation of the Upper Ordovician in the Baltic;Chitinozoans. (In: Quantitative Stratigraphy: Retrospective Evaluation and Future Development. A. Oleynikov and M. Rubel editors) |
1989 |
| details |
Niagaran |
|
Indiana |
Boneham,R.F. et al. Silurian chitinozoa of Indiana 2 |
1973 |
| details |
Llanvirnian |
|
Europe |
Combaz,A. Stratigraphy of the chitinozoans. |
1972 |
| details |
Late Ordovician |
|
Nigeria |
Bouche,P.M. Silurian chitinozoans from S.1.Djado, (Nigerian Sahara). |
1965 |
| details |
Middle Arenigian |
|
Australia(W.Australia) |
Combaz,A. et al. Palynostratigraphy of the Ordovician from some boreholes in the Canning Basin, Western Australia. |
1972 |
| details |
Early Llanvirnian |
|
Wales(Anglesey) |
Fenton,J.P.G. Palynological evidence for the age of the Dulas Formation (Ordovician) in Anglesey (North Wales). |
1976 |
| details |
Nabala |
Vormsi |
Estonia |
Meidla,T. et al. Middle and Upper Ordovician westward of Tallin locality 2:3 Aul |
1990 |
| details |
Ordovician |
|
Baltic |
Collinson,C. et al. North American Paleozoic Chitinozoa |
1955 |
| details |
Pridolian |
|
Baltic Sea |
Eisenack,A. New microfossils of the Baltic Silurian.2. |
1932 |
| details |
Early Gothlandian |
|
Brazil(Para) |
da Costa,N.M. Stratigraphic distribution and biochronology of chitinozoans from the Trombetas Formation, State of Para. |
1974 |