| details |
Valanginian |
Hauterivian |
Sweden |
Guy-Ohlson,D. Biostratigraphy of the Lower Jurassic-Cretaceous unconformity at Kullemolla Southern Sweden. |
1982 |
| details |
Valanginian |
Hauterivian |
Sweden |
Guy-Ohlson,D. Biostratigraphy of the Lower Jurassic-Cretaceous unconformity at Kullemolla Southern Sweden. |
1982 |
| details |
Barremian |
|
Canada(British Columbia) |
Cookenboo,H.O. et al. Jura-Cretaceous (Oxfordian to Cenomanian) stratigraphy of the Northern-Central Bowser Basin northern British Columbia. |
1989 |
| details |
Berriasian |
Cenomanian |
Canada(British Columbia) |
MacLeod,S.E. et al. Conformable Late Jurassic (Oxfordian) to Early Cretaceous strata, Northern Bowser Basin, British Columbia; A sedimentological and paleontological model; Reply. |
1991 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |