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Upper Eocene-Lowermost Miocene charophyte succession in the Ebro Basin (Spain). Contribution to the charophyte biozonation in Western Europe
Feist, M.; Anadón Monzón, Pedro; Cabrera, Lluís; Choi, S.J.; Colombo, Ferran; Sáez, Alberto
Universitat de Barcelona
A charophyte succession has been established in nineteen sections and eight isolated outcrops from the Ebro Basin, ranging from the Priabonian ro the Aquitanian. Most assemblages were recovered fmm continuous sections and their abundance and diversity allow to define a new zonal scheme for the Upper Eocene-Lower Miocene of Europe. The new zonation includes nine subdivisions, based on the distribution of thirty-two species and directly correlated with the mammal standard levels. Changes in diversity, occurring mainly in the Middle and Upper Oligocene, have been related to climatíc variations. A new species, Chara sp. A. is also described and figured.
Algues fòssils
Ebre, Depressió de l'
Fossil algae
Ebro River Watershed (Spain)
(c) Schweizerbart, 1994

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