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Geolocation
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Author - title
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Year
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| details | Middle Oxfordian | Early Tithonian | Alaska | Albert,N.R. Dinoflagellate cysts from the Upper Jurassic Naknek Formation, Southern Alaska. | 1989 |
| details | Late Oxfordian | England(Dorset) | Ainsworth,N.R. et al. A proposed Latest Triassic to Earliest Cretaceous microfossil biozonation for the English Channel and its adjacent areas. (In: The development, evolution and petroleum geology of the Wessex Basin. J.R.Underhill, editor) | 1998 |