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Geolocation
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Author - title
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Year
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| details | Callovian | Kimmeridgian | North Sea | Herngreen,G.F.W. et al. Dinoflagellate, sporomorph, and micropaleontological zonation of Callovian to Ryazanian strata in the Central North Sea Graben, the Netherlands. | 1988 |
| details | Aalenian | Bathonian | Europe | Boulter,M.C. et al. A reconstruction of some Middle Jurassic vegetation in northern Europe. (In: Studies in Palaeobotany and Palynology in Honour of Professor W.G.Chaloner, F.R.S. M.E.Collinson and A.C.Scott, editors) | 1993 |