| details |
Ordovician |
|
USSR(Uzbek SSR) |
Khan,R.S. et al. Stratigraphy of Ordovician deposits of Mountain Yuzhii Nuratai |
1986 |
| original |
Llandoverian |
|
China(Hupei) |
Geng,L.-Y. Lower Silurian chitinozoans from Bayu of Daozhen, Guizhou and Dazhongba of Yichang, Hubei. |
1986 |
| original |
Llandoverian |
|
China(Kweichow) |
Geng,L.-Y. Lower Silurian chitinozoans from Bayu of Daozhen, Guizhou and Dazhongba of Yichang, Hubei. |
1986 |
| details |
Middle Ordovician |
|
New York |
Miller,M.A. et al. Guide to visited Middle Ordovician localities. (In: A Field excursion to Trenton Group, (Middle and Upper Ordovician) and Hamilton Group Middle Ordovician) localities in New York and a survey of their chitinozoans. M.A.Miller, editor) |
1986 |
| original |
Late Caradocian |
Early Ashgillian |
Canada(Quebec) |
Achab,A. Late Caradocian - Early Ashgillian chitinozoans of Quebec, Canada. |
1987 |
| details |
Llanvirnian |
Llandoverian |
Saudi Arabia |
McClure,H.A. Chitinozoan and acritarch assemblages stratigraphy and biogeography of the Early Palaeozoic of Northw West Arabia |
1988 |
| details |
Ordovician |
|
Italy |
Gansser,A. et al. Prealpine events along the eastern Insubric Line (Tonale Line, Northern Italy). |
1988 |
| details |
Llandoverian |
Wenlockian |
China(Hupei) |
Geng,L.-Y. et al. Sequences of Llandoverian chitinozoans in Yangzi Region |
1988 |
| details |
Late Richmondian |
Early Aeronian |
Ohio |
BergstrŠ¶m,S.M. et al. The Ordovician-Silurian boundary in the United States. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Llandoverian |
|
China(Szechwan) |
Fang,X. et al. Silurian microflora and chitinozoa in Guanyinqiao Qijiang County Sichuan Province and their stratigraphic significance |
1988 |
| details |
Ashgillian |
|
Canada(Quebec) |
Achab,A. Ordovician chitinozoan zonation of Quebec and Western Newfoundland. |
1989 |
| details |
Ashgillian |
|
Canada(Newfoundland) |
Achab,A. Ordovician chitinozoan zonation of Quebec and Western Newfoundland. |
1989 |
| details |
Middle Sheinwoodian |
Early Homerian |
England(Northumberland) |
Barron,H.F. Mid-Wenlock acritarchs from a Silurian Inlier in the Cheviot Hills, northeast England. |
1989 |
| details |
Early Cambrian |
|
Poland |
Gunia,T. Acritarcha and microproblematica of the Crystalline Limestones from the vicinity of Romanowo Gorne, (Central Sudetes Mountains, Krowiarki) |
1989 |
| details |
Ludlovian |
Pridolian |
Canada(Nova Scotia) |
Blaise,J. et al. New biostratigraphical data on the Silurian of the Meguma zone in Nova Scotia (Northern Appalachian range, Canada) |
1990 |
| details |
Aeronian |
Early Telychian |
China(Kweichow) |
Geng,L.-Y. Chitinoaoz near Aeronian-Telychian boundary at Leijiatun of Shiqian, North Guizhou. |
1990 |
| details |
Nd |
|
Nd |
Grahn,Y. et al. Early Ordovician chitinozoa from Honghuayuan at Tongzi northern Guizhou |
1990 |