link
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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 | Campanian | Maastrichtian | Mexico(Coahuila) | Martnez-HernЎndez,E. Palynological survey in relation to paleoenvironments at the Fuentes-Rio Escondido Basin, Piedras Negras, Coahula, Mexico. | 1980 |
details | Campanian | Maastrichtian | Mexico(Coahuila) | Martnez-HernЎndez,E. et al. Palynological study for the determination of the environment of the Fuentes-Rio Escondido Basin (Upper Cretaceous), Piedras Negras Region, Coahuila. | 1982 |