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From
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To
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Geolocation
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Author - title
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Year
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| details | Late Neocomian | Middle Cenomanian | Australia(NSW) | Morgan,R. Palynostratigraphy of the Australian early and middle Cretaceous. | 1980 |
| original | Late Oxfordian | Valanginian | Canada(Arctic) | Davies,E.H. Jurassic and Lower Cretaceous dinoflagellate cysts of the Sverdrup Basin, Arctic Canada; Taxonomy, biostratigraphy, chronostratigraphy. | 1979 |