recid:15080 - Suchergebnisse

Enigmatic dinosaur precursors bridge the gap to the origin of Pterosauria

Ezcurra, Martín D. ; Nesbitt, Sterling J. ; Bronzati, Mario ; Vecchia, Fabio Marco Dalla ; Agnolin, Federico L. ; Benson, Roger B. J. ; Egli, Federico Brissón ; Cabreira, Sergio F. ; Evers, Serjoscha W. ; Gentil, Adriel R. ; Irmis, Randall B. ; Martinelli, Agustín G. ; Novas, Fernando E. ; Silva, Lúcio Roberto da ; Smith, Nathan D. ; Stocker, Michelle R. ; Turner, Alan H. ; Langer, Max C.

In: Nature, 2020, vol. 588, no. 2020-7838, p. 445–449

Pterosaurs were the first vertebrates to evolve powered flight1 and comprised one of the main evolutionary radiations in terrestrial ecosystems of the Mesozoic era (approximately 252–66 million years ago), but their origin has remained an unresolved enigma in palaeontology since the nineteenth century2,3,4. These flying reptiles have been hypothesized to be the close relatives of a wide...

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Nondefective stationary discs and 2-jet determination in higher codimension

Bertrand, Florian ; Meylan, Francine

In: The Journal of Geometric Analysis, 2020, p. -

We discuss the links between stationary discs, the defect of analytic discs, and 2-jet determination of CR automorphisms of generic nondegenerate real submanifolds of CN of class C4.

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Cretaceous syn-sedimentary faulting in the Wildhorn Nappe (SW Switzerland)

Cardello, G. ; Mancktelow, Neil

In: Swiss Journal of Geosciences, 2014, vol. 107, no. 2-3, p. 223-250

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Der Matossian, Bedross: Shattered Dreams of Revolution: From Liberty toViolence in the Late Ottoman Empire

Schlaepfer, Aline

In: Asiatische Studien - Études Asiatiques, 2016, vol. 70, no. 4, p. 1445-1448

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Stationary discs and finite jet determination for non-degenerate generic real submanifolds

Bertrand, Florian ; Blanc-Centi, Léa ; Meylan, Francine

In: Advances in Mathematics, 2019, vol. 343, p. 910–934

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Age and synchronicity of planktonic foraminiferal bioevents across the Cenomanian – Turonian boundary interval (Late Cretaceous)

Falzoni, Francesca ; Petrizzo, Maria Rose ; Caron, Michèle ; Leckie, R. Mark ; Elderbak, Khalifa

In: Newsletters on Stratigraphy, 2018, vol. 51, no. 3, p. 343–380

The upper Cenomanian – lower Turonian is a key-stratigraphic interval, as it encompasses the Late Cretaceous supergreenhouse and a major perturbation of the global carbon cycle (i. e., Oceanic Anoxic Event 2) as evidenced by a global positive carbon isotope excursion and by the nearly world-wide deposition of organic-rich marine facies. A turnover in planktonic foraminiferal assemblages and...