| details |
Middle Bathonian |
Early Callovian |
Spain |
Smelror,M. et al. A reconnaissance study of Bathonian to Oxfordian (Jurassic) dinoflagellates and acritarchs from the Zaragoza Region (NE.Spain) and Figueira Da Foz (Portugal) |
1991 |
| details |
Early Callovian |
|
Portugal |
Smelror,M. et al. A reconnaissance study of Bathonian to Oxfordian (Jurassic) dinoflagellates and acritarchs from the Zaragoza Region (NE.Spain) and Figueira Da Foz (Portugal) |
1991 |
| details |
Callovian |
Oxfordian |
Arizona |
Lawton,T.F. et al. Stratigraphy and structure of the lower part of the Bisbee Group, northeastern Chiricahua Mountains Arizona. (In: Studies on the Mesozoic of Sonora and adjacent areas. C.Jacques-Ayala et al, editors) |
1995 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |