| details |
Early Callovian |
Middle Callovian |
Canada(Arctic) |
Smelror,M. Biogeography of Bathonian to Oxfordian (Jurassic) dinoflagellates: Arctic, northwest Europe and Circum-Mediterranean. |
1993 |
| details |
Early Callovian |
Middle Callovian |
Arctic Ocean(Barents Sea) |
Smelror,M. Biogeography of Bathonian to Oxfordian (Jurassic) dinoflagellates: Arctic, northwest Europe and Circum-Mediterranean. |
1993 |
| details |
Early Callovian |
Middle Callovian |
North Sea |
Smelror,M. Biogeography of Bathonian to Oxfordian (Jurassic) dinoflagellates: Arctic, northwest Europe and Circum-Mediterranean. |
1993 |
| details |
Early Callovian |
Middle Callovian |
Scotland(Kincardine) |
Smelror,M. Biogeography of Bathonian to Oxfordian (Jurassic) dinoflagellates: Arctic, northwest Europe and Circum-Mediterranean. |
1993 |
| details |
Early Callovian |
Middle Callovian |
England(Yorkshire) |
Smelror,M. Biogeography of Bathonian to Oxfordian (Jurassic) dinoflagellates: Arctic, northwest Europe and Circum-Mediterranean. |
1993 |
| details |
Early Callovian |
Middle Callovian |
Spitsbergen |
Smelror,M. Biogeography of Bathonian to Oxfordian (Jurassic) dinoflagellates: Arctic, northwest Europe and Circum-Mediterranean. |
1993 |
| details |
Early Callovian |
Middle Callovian |
USSR(Franz Josef Land) |
Smelror,M. Biogeography of Bathonian to Oxfordian (Jurassic) dinoflagellates: Arctic, northwest Europe and Circum-Mediterranean. |
1993 |
| details |
Early Callovian |
Middle Callovian |
England(Lincolnshire) |
Smelror,M. Biogeography of Bathonian to Oxfordian (Jurassic) dinoflagellates: Arctic, northwest Europe and Circum-Mediterranean. |
1993 |
| details |
Early Callovian |
Middle Callovian |
England(Nottinghamshire) |
Smelror,M. Biogeography of Bathonian to Oxfordian (Jurassic) dinoflagellates: Arctic, northwest Europe and Circum-Mediterranean. |
1993 |
| details |
Jurassic |
Middle Callovian |
Arctic Ocean(Barents Sea) |
Smelror,M. Jurassic stratigraphy of the Western Barents Sea Region: A review |
1994 |
| original |
Early Callovian |
|
England(Lincolnshire) |
Riding,J.B. Dinoflagellate cyst stratigraphy of the Nettleton Bottom borehole, (Jurassic--Hettangian to Kimmeridgian), Lincolnshire, England. |
1987 |
| details |
Middle Callovian |
|
USSR(Caucasus) |
Smelror,M. et al. Callovian dinoflagellate cysts from Caucasus, USSR. |
1989 |
| details |
Early Callovian |
|
England(Lincolnshire) |
Riding,J.B. et al. Dinoflagellate cysts of the Jurassic system. (In: A Stratigraphic Index of Dinoflagellate Cysts. A.J.Powell, editor) |
1992 |
| details |
Early Callovian |
|
Scotland |
Riding,J.B. et al. Dinoflagellate cysts of the Jurassic system. (In: A Stratigraphic Index of Dinoflagellate Cysts. A.J.Powell, editor) |
1992 |
| details |
Early Callovian |
|
Scotland(Isle of Skye) |
Riding,J.B. On the age of the Upper Ostrea Member, Staffin Bay Formation (Middle Jurassic) of northwest Skye. |
1992 |
| details |
Callovian |
|
Norway(Svalbard) |
Smelror,M. et al. Dinoflagellate biostratigraphy of Toarcian to Lower Oxfordian (Jurassic) of the Barents Sea Region. (In: Arctic Geology and Petroleum Potential. T.O.Vorren et al, editors) |
1993 |
| details |
Middle Callovian |
|
North Sea |
Riding,J.B. et al. Appendix: Jurassic biostratigraphic markers. (In: Jurassic of the Central and northern North Sea. P.C.Richards, G.K.Lott, H.Johnson, R.W.O.B.Knox and J.B.Riding, editors) |
1993 |