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The position of the Rupelian/Chattian boundary in the southern Upper Rhine Graben based on new records of microfossils

Pirkenseer, Claudius ; Berger, Jean-Pierre ; Reichenbacher, Bettina

In: Swiss Journal of Geosciences, 2013, vol. 106, no. 2, p. 291–301

This study analyses the regressive phase of the marine Froidefontaine Subgroup and the subsequent fluvio-lacustrine Niederroedern formation in the southern Upper Rhine Graben during the Late Rupelian and the position of the Rupelian/Chattian boundary. The study is based on the sedimentary record and several microfossil groups from two boreholes, with a focus on new records of fish otoliths,...

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New skeleton from the early Oligocene of Germany indicates a stem-group position of diomedeoidid birds

De Pietri, Vanesa L. ; Berger, Jean-Pierre ; Pirkenseer, Claudius ; Scherler, Laureline ; Mayr, Gerald

In: Acta Palaeontologica Polonica, 2010, vol. 55, no. 1, p. 23-34

We report a new specimen of the extinct procellariiform species Diomedeoides brodkorbi (Aves, Diomedeoididae) from the early Oligocene (Rupelian) of Rheinweiler in southwestern Germany. The well−preserved partial skeleton allows the recognition and reassessment of new osteological details that bear on the phylogenetic affinities of diomedeoidids. The presence on the coracoid of a deeply...

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