details |
Ordovician |
Silurian |
China(Tibet) |
Xing,Y. A discovery of micropalaeophyta, chitinozoa and scolecodonts from Ordovician and Silurian in Keping, Xinjiang. |
1986 |
details |
Ordovician |
|
Argentina(La Rioja) |
Volkheimer,W. et al. Ordovician chitinozoas of the Gualcamayo Formation in the type locality southwest of Guandacol, pre-cordillera of Rioja, Reublic of Argentina. |
1978 |
details |
Ordovician |
|
India |
Viswanathiah,M.N. et al. Scolecodonts and chitinozoa from the Indian Peninsula. |
1980 |
details |
Nd |
|
Nd |
Taugourdeau,P. Several systematic attributes proposed for chitinozoa. |
1981 |
details |
Nd |
|
Nd |
Tappan,H. Chitinozoan classification. |
1966 |
details |
Ordovician |
Silurian |
Romania |
Stanoiu,I. et al. Metamorphosed Paleozoic and Mesozoic Formations of the Mehedinti-Retezat Unit |
1983 |
details |
Late Devonian |
|
Brazil(Goias) |
Sommer,F.W. Devonian microfossils from Aragarcas, Goias. |
1963 |
details |
Silurian |
|
Ireland |
Smith,D.G. Progress in Irish Lower Palaeozoic palynology. |
1981 |
details |
Chesterian |
|
Oklahoma |
Sanders,R.B. Palynological investigation of Desmoinesian and Missourian strata, Elk City area, Oklahoma. |
1967 |
details |
Llanvirnian |
Early Llandeilian |
Morocco |
Rahmani,K. Palynological study of the Paleozoic in the Region of Rabat, dating the Ordovician. |
1979 |
details |
Late Ordovician |
|
India |
Prasad,K.N. Review of Precambrian microfossils from Peninsular India. (In: Stromatolites, Characteristics and Utility) |
1980 |
details |
Middle Ordovician |
Silurian |
S.Ireland(Waterford) |
Penney,S.R. The stratigraphy, sedimentology and structure of the Lower Paleozoic rocks of North County Waterford. |
1980 |
details |
Llanvirnian |
Caradocian |
France(Aquitaine) |
Paris,F. The Paleozoic Aquitaine Basin-Biostratigraphy by chitinozoans, ostracods and tentaculites. |
1984 |
details |
Pridolian |
Early Lochkovian |
USSR(Ukrainian SSR) |
Paris,F. et al. Chitinozoa of the Silurian-Devonian boundary sections in Podolia, Ukraine |
1996 |
details |
Silurian |
|
Baltic |
Paris,F. et al. A revised chitinozoan classification |
1999 |
details |
Silurian |
Devonian |
Czechoslovakia |
PacltovŠ,B. Further micropaleontological data for the Paleozoic age of Moldanubian Carbonate Rocks |
1980 |
details |
Early Tremadocian |
|
USSR(Siberia) |
Obut,A.M. et al. Siberian Graptolite and chitinozoa assemblages at the Cambrian-Ordovician boundary |
1984 |