original |
Siegenian |
Emsian |
W.Germany(N.Rhine) |
Eschghi,I. et al. Stratigraphy and Palaogeography of the Siegenian and Emsian of the Aachen-Ahrtal Region |
1984 |
original |
Early Gamachian |
Late Llandoverian |
Greenland |
Grahn,Y. et al. Chitinozoans from Ordovician and Silurian Shelf and Slope sequences in North Greenland. (In: Palaeozoic fossils and stratigraphy from North Greenland) |
1989 |
original |
Givetian |
|
New York |
Wood,G.D. Some Middle Devonian, (Givetian), chitinozoans and acritarchs from New York State. Preliminary results. |
1986 |
original |
Nd |
|
Nd |
Combaz,A. Palynofacies. |
1964 |
original |
Llandoverian |
|
Argentina(Mendoza) |
PŠ¶the de Baldis,E.D. et al. Chitozoans of Llandoverian age from the Villavicencio Group in Quebrada de Santa Clara, Mendoza, Argentina. |
1987 |
original |
Early Ashgillian |
|
Canada(Quebec) |
Achab,A. Late Caradocian - Early Ashgillian chitinozoans of Quebec, Canada. |
1987 |
original |
Early Caradocian |
|
Sweden |
Schallreuter,R. Chitinozoans from the Sularp Shale (Middle Ordovician) of Skane, (Sweden). |
1981 |
original |
Early Caradocian |
|
Sweden |
Schallreuter,R. Chitinozoans from the Sularp Shale (Middle Ordovician) of Skane, (Sweden). |
1981 |
original |
Siegenian |
Emsian |
W.Germany(N.Rhine) |
Eschghi,I. et al. Stratigraphy and Palaogeography of the Siegenian and Emsian of the Aachen-Ahrtal Region |
1984 |
original |
Early Llandoverian |
|
Ohio |
Grahn,Y. et al. Chitinozoans from the Ordovician-Silurian boundary Beds in the eastern Cincinnati Region in Ohio and Kentucky |
1985 |
original |
Givetian |
|
New York |
Wood,G.D. Some Middle Devonian, (Givetian), chitinozoans and acritarchs from New York State. Preliminary results. |
1986 |
original |
Givetian |
|
New York |
Wood,G.D. Some Middle Devonian, (Givetian), chitinozoans and acritarchs from New York State. Preliminary results. |
1986 |
original |
Givetian |
|
New York |
Wood,G.D. Some Middle Devonian, (Givetian), chitinozoans and acritarchs from New York State. Preliminary results. |
1986 |
original |
Middle Devonian |
Late Devonian |
Czechoslovakia |
Bajanik,S. et al. A Paleozoic Volcano-Sedimentary Complex of Predna Hola, (Nizke Tatry Mountains). |
1979 |
original |
Middle Kirklandian |
Edenian |
New York |
Hart,C.P. Trenton Group chitinozoans from New York State. A brief review. |
1986 |
original |
Middle Frasnian |
|
Missouri |
Urban,J.B. Palynologic studies of the Devonian |
1968 |
original |
Givetian |
|
New York |
Wood,G.D. Some Middle Devonian, (Givetian), chitinozoans and acritarchs from New York State. Preliminary results. |
1986 |