| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Middle Oxfordian | North Sea | Herngreen,G.F.W. et al. Dinoflagellate, sporomorph, and micropaleontological zonation of Callovian to Ryazanian strata in the Central North Sea Graben, the Netherlands. | 1988 | |
| details | Late Callovian | Netherlands | Smelror,M. Biogeography of Bathonian to Oxfordian (Jurassic) dinoflagellates: Arctic, northwest Europe and Circum-Mediterranean. | 1993 |