original |
Late Jurassic |
Early Cretaceous |
Atlantic Ocean |
Habib,D. Dinoflagellate stratigraphy Leg 11, Deep Sea Drilling Project. |
1972 |
original |
Early Jurassic |
Valanginian |
Atlantic Ocean |
Habib,D. Dinoflagellate stratigraphy Leg 11, Deep Sea Drilling Project. |
1972 |
original |
Berriasian |
Barremian |
Atlantic Coast Offshore |
Habib,D. Neocomian dinoflagellate zonation in the Western North Atlantic. |
1975 |
original |
Portlandian |
Valanginian |
Atlantic Ocean |
Williams,G.L. Palynological biostratigraphy, Deep Sea Drilling Project, Sites 367 and 370. |
1978 |