| original |
Gothlandian |
|
France(Vosges) |
Doubinger,J. Ordovician and Silurian chitinozoans of the Schistes of Steige in the Vosges. |
1963 |
| original |
Late Devonian |
|
Morocco |
Grignani,D. et al. The chitinozoa from the Oum Doul 1 borehole, Morocco. |
1964 |
| original |
Late Ordovician |
|
Iowa |
Taugourdeau,P. Ordovician chitinozoans of the USA; Comparison with ancient faunas. |
1965 |
| original |
Ludlovian |
|
E.Germany(Karl Marx) |
Behr,H.J. et al. Chitinozoan fauna from the Early Palaeozoic of Thuringia |
1966 |
| original |
Nd |
|
Nd |
Combaz,A. et al. Chitinozoans--Morphography. |
1967 |
| original |
Middle Siegenian |
|
France(Rhone) |
Moreau-Benoit,A. On some chitinozoans from the Lower Devonian of Anjou. |
1967 |
| original |
Middle Siegenian |
|
France(Bretagne) |
Moreau-Benoit,A. Palynological and planktonic research on the Devonian and some Silurian formations of the southeast Massif Armoricain. |
1974 |
| original |
Middle Siegenian |
|
France(Bretagne) |
Moreau-Benoit,A. Palynological and planktonic research on the Devonian and some Silurian formations of the southeast Massif Armoricain. |
1974 |
| original |
Late Tremadocian |
Early Arenigian |
China(Hupei) |
Geng,L.-Y. Chitinozoa from the Fenhsiang, Hunghuayuan and Dawan Formation of Huanghuachang, Yichang, Hubei. |
1984 |
| original |
Late Caradocian |
Early Ashgillian |
Canada(Quebec) |
Achab,A. Late Caradocian - Early Ashgillian chitinozoans of Quebec, Canada. |
1987 |
| details |
Caradocian |
|
Scotland(Dumfries) |
Zalasiewicz,J. et al. Submission of Hartfell Score (south Scotland) as a GSSP for the base of the middle stage of the Upper Ordovician Series. |
2004 |