| original |
Silurian |
|
USSR(Baltic) |
Eisenack,A. New microfossils of the Baltic Silurian. IV. |
1938 |
| details |
Late Ordovician |
|
Wales |
Lewis,H.P. The microfossils of the Upper Caradocian Phosphate deposits of Montgomeryshire, North Wales |
1940 |
| details |
Ordovician |
|
Baltic |
Collinson,C. et al. North American Paleozoic Chitinozoa |
1955 |
| details |
Ordovician |
|
Baltic |
Eisenack,A. Neotypes of Baltic Silurian chitinozoans and new species. |
1959 |
| details |
Ordovician |
|
Baltic |
Eisenack,A. Microfossils from the Baltic Ordovician. 2: Vaginatenkalk to Lyckholmer Stufe. |
1962 |
| details |
Early Ordovician |
Late Ordovician |
Baltic |
Taugourdeau,P. Ordovician chitinozoans of the USA; Comparison with ancient faunas. |
1965 |
| details |
Late Ordovician |
|
Iowa |
Taugourdeau,P. Ordovician chitinozoans of the USA; Comparison with ancient faunas. |
1965 |
| details |
Early Ordovician |
Late Ordovician |
Europe |
Taugourdeau,P. Ordovician chitinozoans of the USA; Comparison with ancient faunas. |
1965 |
| details |
Late Ordovician |
|
Oklahoma |
Taugourdeau,P. Ordovician chitinozoans of the USA; Comparison with ancient faunas. |
1965 |
| details |
Late Ordovician |
|
Oklahoma |
Taugourdeau,P. Ordovician chitinozoans of the USA; Comparison with ancient faunas. |
1965 |
| details |
Middle Ordovician |
|
Oklahoma |
Taugourdeau,P. Ordovician chitinozoans of the USA; Comparison with ancient faunas. |
1965 |
| details |
Caradocian |
|
USSR(Estonian SSR) |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Ordovician |
|
E.Germany(Potsdam) |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Early Ordovician |
Middle Ordovician |
Sweden |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Caradocian |
|
USA |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Arenigian |
Caradocian |
Europe |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |
| details |
Silurian |
|
USSR(Baltic) |
Taugourdeau,P. Techniques of study, morphology and classification of chitinozoans. |
1966 |