details |
Early Valanginian |
Middle Valanginian |
Canada(NWT,Mackenzie) |
Lentin,J.K. et al. Fossil dinoflagellates: Index to genera and species, 1981 edition. |
1981 |
details |
Early Berriasian |
Valanginian |
Canada(NWT,Franklin) |
Davies,E.H. The dinoflagellate Oppel-zonation of the Jurassic-Lower Cretaceous sequences in the Sverdrup Basin, Arctic Canada. |
1983 |
details |
Late Kimmeridgian |
Tithonian |
Canada(British Columbia) |
Davies,E.H. et al. Upper Jurassic dinoflagellate cysts from strata of Northeast British Columbia |
1986 |
details |
Berriasian |
|
USSR(Siberia) |
Shulgina,N.I. et al. Distribution of ammonites, foraminifera and dinoflagellate cysts in the Lower Cretaceous reference sections of Khatanga Basin, and Boreal Valanginian biogeography. |
1994 |
details |
Nd |
|
Poland |
Poulsen,N.E. Dinoflagellate cysts from marine Jurassic deposits of Denmark and Poland |
1996 |
details |
Early Ryazanian |
|
Denmark |
Poulsen,N.E. Dinoflagellate cysts from marine Jurassic deposits of Denmark and Poland |
1996 |
details |
Nd |
|
Nd |
Stover,L.E. et al. Mesozoic-Tertiary dinoflagellates, acritarchs and Prasinophytes. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
details |
Nd |
|
Nd |
Hogg,N.M. et al. Prolixosphaeridiopsis spissus, gen.et comb.nov., for the dinoflagellate cyst Cleistosphaeridium spissum McIntyre and Brideaux, 1980. |
1997 |
details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
details |
Early Volgian |
Late Ryazanian |
Barents Sea |
Smelror,M. et al. The Klippfisk Formation: A new lithostratigraphic unit of Lower Cretaceous platform carbonates on the western Barents Shelf. |
1998 |