| details |
Middle Ordovician |
|
Oklahoma |
Grahn,Y. et al. Chitinozoa from the Middle Ordovician Bromide Formation, Arbuckle Mountain, Oklahoma, USA. |
1986 |
| details |
Llandeilian |
Early Caradocian |
Canada(Quebec) |
Achab,A. Succession of chitinozoan assemblage from the Middle Ordovician of Quebec and eastern Canada |
1986 |
| details |
Ordovician |
Devonian |
Czechoslovakia |
Koverdynsky,B. et al. The problems of the stratigraphical assignation of the Zabreh Group |
1986 |
| details |
Rocklandian |
Edenian |
New York |
Hart,C.P. Trenton Group chitinozoans from New York State. A brief review. |
1986 |
| details |
Ordovician |
|
USSR(Uzbek SSR) |
Khan,R.S. et al. Stratigraphy of Ordovician deposits of Mountain Yuzhii Nuratai |
1986 |
| details |
Ordovician |
|
USSR(Uzbek SSR) |
Khan,R.S. et al. Stratigraphy of Ordovician deposits of Mountain Yuzhii Nuratai |
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 |
| details |
Cambrian |
Silurian |
USSR(Buryat ASSR) |
Butov,Y.P. Some problems of Pre-Mesozoic stratigraphy of Savan-Baikal Mountain Region. 2. New data on the age of Pre-Mesozoic deposits. |
1986 |
| details |
Caradocian |
Early Ashgillian |
Morocco |
Elaouad-Debbaj,Z. Chitinozoa from the Lower Ktaoua Formation, Upper Ordovician of the Anti-Atlas, (Morocco). |
1986 |
| details |
Llanvirnian |
Ashgillian |
Libya |
Molyneux,S.G. et al. Late Ordovician palynomorphs. (In: Palynology of Northeast Libya. B.Thusu and B.Owens, editors) |
1985 |
| original |
Middle Algonkian |
|
India(Himachal Pradesh) |
Nautiyal,A.C. First record of Middle Algonkian micro-organisms from Naldera Limestone (Basantpur Formation) of Himachal Himalaya with biostratigraphy. |
1985 |
| details |
Middle Algonkian |
|
India(Himachal Pradesh) |
Nautiyal,A.C. First record of Middle Algonkian micro-organisms from Naldera Limestone (Basantpur Formation) of Himachal Himalaya with biostratigraphy. |
1985 |
| details |
Late Algonkian |
|
India(Uttar Pradesh) |
Nautiyal,A.C. Palaeogeographic significance species, (Phytoplankton), Microfloral Province (Upper Algonkian) in Lesser Himalaya and Plains Region of northern India |
1985 |
| details |
Late Algonkian |
|
India(Himachal Pradesh) |
Nautiyal,A.C. Palaeogeographic significance species, (Phytoplankton), Microfloral Province (Upper Algonkian) in Lesser Himalaya and Plains Region of northern India |
1985 |
| details |
Late Algonkian |
|
India(Uttar Pradesh) |
Nautiyal,A.C. Palaeogeographic significance species, (Phytoplankton), Microfloral Province (Upper Algonkian) in Lesser Himalaya and Plains Region of northern India |
1985 |
| details |
Late Algonkian |
|
India(Uttar Pradesh) |
Nautiyal,A.C. Palaeogeographic significance species, (Phytoplankton), Microfloral Province (Upper Algonkian) in Lesser Himalaya and Plains Region of northern India |
1985 |
| details |
Arenigian |
|
China(Yunnan) |
Gao,L.D. Lower Ordovician chitinozoans from Wuding and Luquan, Yunnan Province. |
1985 |