| details |
Berriasian |
|
Russia(Siberia) |
Beizel,A.L. et al. New geological data and zoning of the Neocomian key section on Yatriya River (Polar Transuralia) according to Belemnites, dinocysts and palynomorphs |
1997 |
| details |
Late Tithonian |
|
Russia(Siberia) |
Zakharov,V.A. et al. Boreal Zonal standard and biostratigraphy of the Siberian Mesozic. |
1997 |
| details |
Early Oxfordian |
Middle Oxfordian |
Russia(Siberia) |
Ilyina,V.I. Osnovnye Etapy Razvitiya Assotsiataii dinoflagelat v Yurskikh Moryakh Sibiri. |
1997 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Late Volgian |
Berriasian |
Russia(Khanty-Mansi) |
Lebedeva,N.K. et al. Microphytoplankton and Microforaminifera in the Lower Cretaceous reference section in Subarctic Ural (Western Siberia) |
1998 |
| details |
Oxfordian |
Tithonian |
Turkey |
Gitmez,G.U. et al. Dinoflagellate cysts and acritarchs from the Jurassic-Cretaceous boundary, Northwest Anatolia, Turkey |
1999 |
| details |
Late Callovian |
Ryazanian |
Russian Platform |
Riding,J.B. et al. Jurassic and Lowermost Cretaceous dinoflagellate cyst biostratigraphy of the Russian Platform and Northern Siberia, Russia. |
1999 |
| details |
Late Volgian |
Early Valanginian |
Russia(Siberia) |
Lebedeva,N.K. et al. Dinoflagellate cysts and microforaminifera of the Lower Cretaceous Yatria River section, Subarctic Ural, northwest Siberia (Russia). Biostratigraphy, palaeoenvironmental and palaeogeographic discussion. |
1999 |