details |
Nd |
|
Nd |
Cashman,P.B. Lower Devonian chitinozoan Juveniles: Oldest fossil evidence of a Juvenile Stage in Protists, with an interpretation of their Ontogeny and relationship to all Ogromiid Foraminifera |
1991 |
details |
Middle Ordovician |
|
Worldwide |
Achab,A. Biogeography of Ordovician chitinozoa. (In: Advances in Ordovician Geology. C.R.Barnes and S.H.Williams, editors) |
1991 |
details |
Late Ordovician |
|
Libya |
Grignani,D. et al. Palaeozoic and Mesozoic subsurface palynostratigraphy in the Al Kufrah Basin, Libya. (In: The Geology of Libya. M.J.Salem et al, editors) |
1991 |
details |
Rhuddanian |
|
Czechoslovakia(Bohemia) |
Dufka,P. Lower Silurian chitinozoans of the Prague Basin (Barrandian, Czechoslovakia)-Preliminary results. |
1992 |
details |
Middle Llandoverian |
Early Wenlockian |
Brazil(Amazonas) |
Grahn,Y. et al. Age and correlation of the Trombetas Group, Amazonas Basin, Brazil. |
1992 |
details |
Arenigian |
|
Czechoslovakia |
Young,T.P. Ooidal Ironstones from Ordovician Gondwana; a review |
1992 |
details |
Late Arenigian |
|
Brazil(Amazonas) |
Grahn,Y. Ordovician chitinozoa and biostratigraphy of Brazil |
1992 |
details |
Early Llandoverian |
Middle Llandoverian |
Brazil(Amazonas) |
Grahn,Y. Revision of Silurian and Devonian strata in Brazil |
1992 |
details |
Early Llandoverian |
Middle Llandoverian |
Brazil(Paraiba) |
Grahn,Y. Revision of Silurian and Devonian strata in Brazil |
1992 |
details |
Early Llandoverian |
Middle Llandoverian |
|
Grahn,Y. Revision of Silurian and Devonian strata in Brazil |
1992 |
details |
Silurian |
|
China(Szechwan) |
Wang,X. et al. On the determination of chitinozoa species-With reference to the Conochitina brevis example. |
1992 |
details |
Llanvirnian |
Harnagian |
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 |
Late Arenigian |
|
Sweden |
Grahn,Y. et al. Chitinozoan dating of Ordovician impact events in Sweden and Estonia; a preliminary note. |
1993 |
details |
Late Ashgillian |
|
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 |
Llandoverian |
|
Czechoslovakia |
Dufka,P. et al. Chitinozoans and acritarchs from the Ordovician - Silurian boundary of the Prague Basin, Czech Republic. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
details |
Llandoverian |
|
Argentina(San Juan) |
Rubinstein,C.V. Palynological investigations in the Lower Paleozoic of Argentina |
1993 |