Large mammals from Rickenbach (Switzerland, reference locality MP29, Late Oligocene): biostratigraphic and palaeoenvironmental implications

Mennecart, Bastien; Scherler, Laureline; Hiard, Florent; Becker, Damien; Berger, Jean-Pierre

doi:10.1007/s13358-011-0031-6

Cited by 23 publications

(24 citation statements)

References 24 publications

(27 reference statements)

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“…These characteristics are typical of the derived Pecora that are present in Europe between MP28 and MN3 (Mennecart 2012;Mennecart et al 2012;Scherler et al 2013;Mennecart and Métais 2014). However, the largest forms occur only in the Miocene.…”

Section: Age Of the Wallenried Sedimentsmentioning

confidence: 79%

A new Late Agenian (MN2a, Early Miocene) fossil assemblage from Wallenried (Molasse Basin, Canton Fribourg, Switzerland)

Mennecart

Yerly²,

Mojon

et al. 2015

Paläontol Z

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Excavations of two fossiliferous layers in the Wallenried sand- and marl pit produced a very diversified vertebrate fauna. New material allows the reassessment of the taxonomic position of the ruminant taxa Andegameryxandegaviensis and endemic Friburgomeryx wallenriedensis. An emended diagnosis for the second species is provided and additional material of large and small mammals, as well as ectothermic vertebrates, is described. The recorded Lagomorpha show interesting morphological deviations from other Central European material, and probably represent a unique transitional assemblage with a co-occurrence of Titanomys, Lagopsis and Prolagus. Rodentia and Eulipotyphla belong to typical and well-known species of the Agenian of the Swiss Molasse Basin. Abundant small mammal teeth have allowed us to pinpoint the biostratigraphic age of Wallenried to late MN2a. The biostratigraphic age conforms to data derived from the charophyte assemblages and confirms the oldest occurrence of venomous snake fangs. The palaeoenvironmental context is quite complex. Sedimentary structures and fauna (fishes, frogs, salamanders, ostracods) are characteristic for a humid, lacustrine environment within a flood plain system

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Section: Age Of the Wallenried Sedimentsmentioning

confidence: 79%

A new Late Agenian (MN2a, Early Miocene) fossil assemblage from Wallenried (Molasse Basin, Canton Fribourg, Switzerland)

Mennecart

Yerly²,

Mojon

et al. 2015

Paläontol Z

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“…The first endocast comes from LM1967MA300, the skull of a male anthracothere assigned to M. minimum (Brunet, 1968;Cabard, 1976). It was collected from the latest Oligocene deposits of La Milloque (Lot-et-Garonne, France; European mammalian reference level MP29; Mennecart et al 2012) and housed at the iPHEP. In addition, the endocast of Y13310, a skull assigned to M. medioximus (Lihoreau et al 2004, is described here.…”

Section: Methodsmentioning

confidence: 99%

Endocasts and brain evolution in Anthracotheriidae (Artiodactyla, Hippopotamoidea)

Thiery

Ducrocq

2015

Journal of Anatomy

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Anthracotheres are a fossil family of 'Suiformes' from the Old World, North and Central America. They are known from the middle Eocene to the late Pliocene, and are suggested to be the stem group of Hippopotamidae. Yet, their soft anatomy remains poorly known. In this study we describe the virtual endocast of the late Oligocene anthracothere Microbunodon minimum, reconstructed using microtomography, as well as the natural endocast of Merycopotamus medioximus from the late Miocene. These are the first anthracothere endocasts ever described. Particular attention is given to the relative proportions of the brain, the neocortex, the cerebellum and the olfactory bulbs. The 'backward shift' of the pituitary of M. minimum, and the possible presence of a K lobe in M. medioximus, is discussed. Previous statements that some endocranial characters were subject to convergence among mammals are also corroborated.

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“…2S-T), the posterior loph is reduced than the anterior one, the metaconid is slightly constricted in p3, the anterior lingual valley is absent in p2; labial cingula are discontinuous (Fig. 2S-T) (Mennecart et al, 2012: fig. 3a-c).…”

Section: Tablementioning

confidence: 96%

“…The studied specimens are morphologically and morphometrically compared with several Oligocene specimens from a number of Eurasian localities. The comparisons are based on the fossil material housed at the NMB, MfN, NHMW, NHML, MGPPD and NMMNH as well as on the specimens and datasets published by Osborn (1900), Roman (1912), Dal Piaz (1930, Radinsky (1967), de Bonis andBrunet (1995), Uhlig (1999), Antoine (2002), Becker (2003Becker ( , 2009, Heissig and Fejfar (2007), Lihoreau et al (2009), Ménouret and Guérin (2009), Antoine et al (2011), Mennecart et al (2012, and Becker et al (2013). The dental terminology follows that of Antoine (2002).…”

Section: Institutional Abbreviationsmentioning

confidence: 99%

New insights into the Oligocene Rhinocerotoidea (Mammalia, Perissodactyla) from Northwestern Italy

Pandolfi

2015

Annales de Paléontologie

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Large mammals from Rickenbach (Switzerland, reference locality MP29, Late Oligocene): biostratigraphic and palaeoenvironmental implications

Abstract: Since the first exploitation of the Huppersand-

Cited by 23 publications

References 24 publications

A new Late Agenian (MN2a, Early Miocene) fossil assemblage from Wallenried (Molasse Basin, Canton Fribourg, Switzerland)

A new Late Agenian (MN2a, Early Miocene) fossil assemblage from Wallenried (Molasse Basin, Canton Fribourg, Switzerland)

Endocasts and brain evolution in Anthracotheriidae (Artiodactyla, Hippopotamoidea)

New insights into the Oligocene Rhinocerotoidea (Mammalia, Perissodactyla) from Northwestern Italy

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