| original |
Early Aptian |
|
Argentina(Santa Cruz) |
Pжthe de Baldis,E.D. et al. Dinoflagellates of the Lower Aptian from Rio Fosiles, Lago San Martin, Santa Cruz Province, Argentina. |
1983 |
| details |
Middle Aptian |
Late Aptian |
Argentina(Santa Cruz) |
Pжthe de Baldis,E.D. et al. Additional microplankton fossils from the Aptian of Rio Fosiles Lago San Martin, Santa Cruz Province, Argentina and correlation with Australia. |
1988 |
| details |
Hauterivian |
|
W.Germany(Niedersachsen) |
Prжssl,K.F. Dinoflagellates of the Cretaceous, (Early Hauterivian to Late Turonian), in the Niedersachsen Basin. Stratigraphy and facies changes of the Konrad 101 borehole, as well as several other boreholes from northwest Germany. |
1990 |
| details |
Late Valanginian |
|
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 |
Hauterivian |
|
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 |
Early Hauterivian |
|
Russia(Siberia) |
Zakharov,V.A. et al. Boreal Zonal standard and biostratigraphy of the Siberian Mesozic. |
1997 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Late Valanginian |
Hauterivian |
Russia(Khanty-Mansi) |
Lebedeva,N.K. et al. Microphytoplankton and Microforaminifera in the Lower Cretaceous reference section in Subarctic Ural (Western Siberia) |
1998 |