| original |
Arenigian |
|
Australia(W.Australia) |
Finger,K.L. Lagenochitina combazi, a new name for Lagenochitina tumida, Combaz and Peniguel, 1972. |
1982 |
| details |
Middle Arenigian |
|
Canada(Quebec) |
Achab,A. Chitinozoa assemblages of the Early Ordovician of eastern Canada. |
1986 |
| details |
Arenigian |
|
Australia(Queensland) |
Playford,G. et al. Chitinozoa from Lower Ordovician strata of the Georgina Basin, Queensland, (Australia). |
1988 |
| details |
Arenigian |
|
Canada(Quebec) |
Achab,A. Ordovician chitinozoan zonation of Quebec and Western Newfoundland. |
1989 |
| details |
Arenigian |
|
Canada(Newfoundland) |
Achab,A. Ordovician chitinozoan zonation of Quebec and Western Newfoundland. |
1989 |
| details |
Late Tremadocian |
|
China(Hopei) |
Wang,X.-F. et al. Earliest Ordovician chitinozoans from the eastern Yangtze Gorges. |
1992 |