| details |
Early Ordovician |
|
China(Kweichow) |
Wang,X. et al. Early Ordovician chitinozoa from Wuchuan, Guizhou. |
1990 |
| details |
Nd |
|
Nd |
Zaslavskaya,N.M. On the morphology and systematics of chitinozoa. (In: Problematic Fossils of the USSR. B.S.Sokolov, editors) |
1990 |
| details |
Early Llanvirnian |
|
Gondwanaland |
Paris,F. The Ordovician chitinozoan biozones of the northern Gondwana Domain |
1990 |
| details |
Early Harju |
Late Virgulian |
Estonia |
Nolvak,J. Biostratigraphy: Ordovician chitinozoans |
1990 |
| details |
Late Volkov |
Aseri |
Estonia |
Magi,S. Locality 4:2 Cntika Clint |
1990 |
| details |
Late Chazyan |
Blackriveran |
Oklahoma |
Derby,J.R. et al. Biostratigraphy of the Timbered Hills, Arbuckle and Simpson Groups, Cambrian and Ordovician, Oklahoma; A review of correlation tools and techniques available to the explorationist. (In: Late Cambrian Ordovician Geology of the Southern Midcontinent, 1989 Symposium. K.S. Johnson, editor) |
1991 |
| details |
Arenigian |
|
Czechoslovakia |
Young,T.P. Ooidal Ironstones from Ordovician Gondwana; a review |
1992 |
| details |
Early Llanvirnian |
|
Portugal |
Young,T.P. Ooidal Ironstones from Ordovician Gondwana; a review |
1992 |
| details |
Silurian |
|
China(Szechwan) |
Wang,X. et al. On the determination of chitinozoa species-With reference to the Conochitina brevis example. |
1992 |
| details |
Early Llanvirnian |
|
England |
Paris,F. Application of chitinozoans in long-distance Ordovician correlations. (In: Global Perspectives on Ordovician Geology. B.D. Webby and J.R. Laurie, editors) |
1992 |
| details |
Middle Arenigian |
Early Caradocian |
Morocco |
Soufiane,A. et al. Chitinozoa assemblages from the Ordovician Tadla Basin, Morocco. |
1993 |
| details |
Nd |
|
Nd |
Nolvak,J. et al. Ordovician chitinozoan zones from Baltoscandia |
1993 |
| details |
Late Arenigian |
Early Caradocian |
Baltic |
Nolvak,J. et al. Ordovician chitinozoan zones from Baltoscandia |
1993 |
| details |
Late Arenigian |
Early Caradocian |
Scandinavia |
Nolvak,J. et al. Ordovician chitinozoan zones from Baltoscandia |
1993 |
| details |
Early Llanvirnian |
|
Saudi Arabia |
Al-Hajri,S. Biostratigraphy of the Ordovician chitinozoa of Northwestern Saudi Arabia. (In: Palaeozoic Palynostratigraphy of the Kingdom of Saudi Arabia. B.Owens et al, editors) |
1995 |
| details |
Late Idavere |
|
Sweden |
Grahn,Y. et al. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. |
1996 |
| details |
Uhaku |
Idavere |
USSR(Estonian SSR) |
Grahn,Y. et al. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. |
1996 |