The Paleogene Period

Luterbacher, Hanspeter; Ali, Jason R.; Brinkhuis, Henk; Gradstein, Felix M.; Hooker, J. J.; Monechi, Simonetta; Ogg, James G.; Powell, J.; Röhl, Ursula; Sanfilippo, Annika; Schmitz, Benjamin

doi:10.1017/cbo9780511536045.021

Cited by 123 publications

(243 citation statements)

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“…Hooker et al 2004Hooker et al , 2009Picot et al 2008). The Magnetostratigraphy (M), the Chronostratigraphy, the Mammal reference levels and the Calcareous nannoplankton zones are based on Luterbacher et al (2004), and the sequence chronostratigraphy on Hardenbol et al (1998). Oi-1 Glaciation: cooling event at the Eocene/Oligocene boundary based on global deep-sea oxygen and carbon isotope records (after Zachos et al 2001).…”

Section: Methodsmentioning

confidence: 99%

Earliest record of rhinocerotoids (Mammalia: Perissodactyla) from Switzerland: systematics and biostratigraphy

Becker

2009

Swiss J. Geosci.

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Earliest rhinocerotoids from Switzerland are reviewed on the basis of dental remains from the earliest Oligocene north-central Jura Molasse localities of Bressaucourt (MP21/22) and Kleinblauen (top MP22). The record in Bressaucourt is restricted to Ronzotherium and Cadurcotherium, representing Switzerland's oldest, well-dated post-"Grande Coupure" large mammal association, the only occurrence of Cadurcotherium, and the earliest occurrence of rhinocerotoids in Switzerland. The correlation with high-resolution stratigraphy of this locality permitted a dating of the fauna to ca. 32.6 Ma, less than a million years after the "Grande Coupure" event. The rhinocerotoids of Kleinblauen are represented by Epiaceratherium, Ronzotherium and Eggysodon. With the presence of Plagiolophus ministri, they are the only well-dated Swiss post-"Grande Coupure" large mammal assemblage with the persistence of an endemic pre-"Grande Coupure" taxon. Moreover, the coexistence of Epiaceratherium magnum and E. aff. magnum could indicate a new speciation within the Epiaceratherium lineage around the top of MP22. The rhinocerotoid associations of Bressaucourt with Ronzotherium -Cadurcotherium on the western side of the southernmost Rhine Graben area, and Kleinblauen with Epiaceratherium -Ronzotherium -Eggysodon on the eastern side, respectively, reveal a possible environmental barrier constituted by the Early Oligocene Rhenish sea and its eventual connection with the Perialpine sea. This one could have separated an arid area in central-eastern France from a humid area in Switzerland and Germany. These results, combined with the repartition of similar rhinocerotoid associations in Western Europe, also give new insights into an alternative earliest Oligocene dispersal route of rhinocerotoids from Asia towards Western Europe via North Italy.

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Section: Methodsmentioning

confidence: 99%

Earliest record of rhinocerotoids (Mammalia: Perissodactyla) from Switzerland: systematics and biostratigraphy

Becker

2009

Swiss J. Geosci.

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“…2) is based on the European Land Mammal Ages (ELMA) defined by the succession of European mammal reference levels (MP; Schmidt- Kittler et al 1987) and the Palaeogene geological time scale (Luterbacher et al 2004 (Schaub, 1925), as well as the glirid Schizogliravus cf. tenuis (Bahlo, 1975).…”

Section: Stratigraphical Contextmentioning

confidence: 99%

A new genus of Rhinocerotidae (Mammalia, Perissodactyla) from the Oligocene of Europe

Becker

Antoine

Maridet

2013

Journal of Systematic Palaeontology

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“…The fossils were found in continental clays at the Vastan lignite mine, northeast of Mumbai. They come from a layer approximately 15 m below the occurrence of the foraminiferan Nummulites burdigalensis burdigalensis, a marker of Shallow Benthic Zone 10 and planktonic zone 6b (Serra-Kiel et al 1998;Sahni et al 2006), which are dated at ca 53 Myr ago (Berggren & Aubry 1998;Luterbacher et al 2004); consequently, they predate the oldest lagomorphs previously reported by several million years.…”

Section: Introductionmentioning

confidence: 97%

Early Eocene lagomorph (Mammalia) from Western India and the early diversification of Lagomorpha

et al. 2008

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We report the oldest known record of Lagomorpha, based on distinctive, small ankle bones (calcaneus and talus) from Early Eocene deposits (Middle Ypresian equivalent, ca 53 Myr ago) of Gujarat, west-central India. The fossils predate the oldest previously known crown lagomorphs by several million years and extend the record of lagomorphs on the Indian subcontinent by 35 Myr. The bones show a mosaic of derived cursorial adaptations found in gracile Leporidae (rabbits and hares) and primitive traits characteristic of extant Ochotonidae (pikas) and more robust leporids. Together with gracile and robust calcanei from the Middle Eocene of Shanghuang, China, also reported here, the Indian fossils suggest that diversification within crown Lagomorpha and possibly divergence of the family Leporidae were already underway in the Early Eocene.

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The Paleogene Period

Cited by 123 publications

References 0 publications

Earliest record of rhinocerotoids (Mammalia: Perissodactyla) from Switzerland: systematics and biostratigraphy

Earliest record of rhinocerotoids (Mammalia: Perissodactyla) from Switzerland: systematics and biostratigraphy

A new genus of Rhinocerotidae (Mammalia, Perissodactyla) from the Oligocene of Europe

Early Eocene lagomorph (Mammalia) from Western India and the early diversification of Lagomorpha

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