original |
Late Callovian |
Early Oxfordian |
England(Cambridgeshire) |
Riding,J.B. Jurassic dinocysts from the Warboys borehole, Cambridgeshire, England. |
1982 |
original |
Middle Callovian |
Early Oxfordian |
France |
Riley,L.A. et al. A dinocyst zonation for the Callovian to Middle Oxfordian succession, (Jurassic), of Northwest Europe. |
1982 |
original |
Middle Callovian |
Early Oxfordian |
Scotland |
Riley,L.A. et al. A dinocyst zonation for the Callovian to Middle Oxfordian succession, (Jurassic), of Northwest Europe. |
1982 |
original |
Middle Callovian |
Early Oxfordian |
France |
Riley,L.A. et al. A dinocyst zonation for the Callovian to Middle Oxfordian succession, (Jurassic), of Northwest Europe. |
1982 |
original |
Middle Callovian |
Late Callovian |
England |
Woollam,R. et al. Dinoflagellate cyst zonation of the English Jurassic. |
1983 |
original |
Middle Callovian |
Early Oxfordian |
England |
Riding,J.B. Gonyaulacysta centriconnata sp.nov., a dinoflagellate cyst from the Late Callovian and Early Oxfordian of eastern England. |
1983 |
original |
Middle Callovian |
Early Oxfordian |
Bulgaria |
Sapunov,I. et al. The Jurassic system in the new boreholes in the area of Provadija. |
1986 |