| details |
Valanginian |
Hauterivian |
Canada(NWT,Franklin) |
Davies,E.H. The dinoflagellate Oppel-zonation of the Jurassic-Lower Cretaceous sequences in the Sverdrup Basin, Arctic Canada. |
1983 |
| details |
Nd |
|
Nd |
Stover,L.E. et al. Analyses of pre-Pleistocene organic-walled dinoflagellates. |
1978 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Hauterivian |
|
Romania |
Antonescu,E. et al. Correlation dinoflagellates Iwith Ammonite and Calpionellid zones of the Lower Cretaceous of Svinita-Banat. |
1980 |
| details |
Callovian |
Oxfordian |
Atlantic Ocean |
Sarjeant,W.A.S. et al. Cyclonephelium and Tenua: a problem in dinoflagellate cyst taxonomy. |
1978 |