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Print ISSN: 0031-0247
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Page 19 of 19, showing 5 record(s) out of 365 total

Fossil mammals and the age of the changxindian formation, Northeastern China
Spencer G. Lucas
Published online: 16/12/1996

Keywords: Changxindian Formation; China; Eocene; Fossil mammals

  Abstract

    Re-evaluation of the small collection of mammal fossils from the Changxindian Formation near Beijing, China indicates the following taxa are present: Eutheria, Hypsimilus beifingensis, cf. Miacis sp., Anthracotheriidae and Forstercooperia grandis. The presence of Forstercooperia grandis indicates an Irdinmanhan age and does not support previous assignment of a Sharamurunian age to the Changxindian Formation. 


  PV article infos

Published in Vol. 25, Fasc. 2-4 (1996)

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Palaecarcharodon orientalis (Sinzow) (Neoselachii : Cretoxyrhinidae), from the Paleocene of maryland, USA.
Gerard R. Case
Published online: 15/09/1989

Keywords: Maryland; Palaeocarcharodon; Paleocene; Selachian; Systematics; U.S.A.

https://doi.org/10.18563/pv.19.1.1-6

  Abstract

    Recent collecting of fossil vertebrate remains from the lowermost member of the Aquia Formation (Paleocene), has enabled me to report here for the very fIrst time, the earliest occurrence for the teeth of Palaeocarcharodon in the fossil record of the New World.
    This report represents only one species of neoselachian from this locality, the remaining fauna of which will subsequently be described. 


  PV article infos

Published in Vol. 19, Fasc. 1 (1989)

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New records of terrestrial Mammals from the upper Eocene Qasr el Sagha Formation, Fayum Depression, Egypt
Patricia A. Holroyd Logo, Elwyn L. Simons, Thomas M. Bown , Paul D. Polly and Mary J. Kraus Logo
Published online: 16/12/1996

Keywords: Egypt; Eocene; Fossil mammals; Qasr el Sagha Formation

  Abstract

    New records of terrestrial mammals from the Qasr el Sagha Formation, Fayum Depression, Egypt are reported, and the stratigraphic occurrences of these fossils noted. These include additional specimens of Moeritheríum, Barytherium, and anthracotheres, as well as the oldest record of a hyracoid in the Fayum.These Eocene mammals occur almost exclusively in the alluvial deposits of the Dir Abu Lifa Member of the Qasr el Sagha Formation and show close affinities to the faunas from the lower sequence of the Jebel Qatrani Formation. There is no evidence of a more marked faunal discontinuity between the Qasr el Sagha and Jebel Qatrani Formations than there is across any of the three major breaks in sedimentation that exist within the Jebel Qatrani Formation. The faunal similarities between fossils of the lower sequence of the Jebel Qatrani Formation and of the upper part of the Qasr el Sagha Formation is consistent with recent paleomagnetic dating that suggests that these rocks differ in age by only one to two million years. 


  PV article infos

Published in Vol. 25, Fasc. 2-4 (1996)

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Owls, caves and fossils. Predation, preservation and accumulation of small mammal bones in caves, with an analysis of the Pleistocene cave faunas from Westbury-Sub-Mendip, Somerset, UK, par Peter Andrews, 1990. The University of Chicago Press, 232 p.
Christiane Denys Logo
Published online: 17/12/1992

Keywords: caves; owls; preservation; taphonomy

https://doi.org/10.18563/pv.22.1.49-50

  Abstract

    La taphonomie (science de l'enfouissement et de la fossilisation) des micromammifères a trop souvent été négligée par rapport à celle des grands mammifères. Or, pour expliquer les concentrations parfois très importantes de microfossiles dans les grottes et les sites préhistoriques il faut connaître les mécanismes qui concourrent actuellement à favoriser les accumulations de ces derniers. C'est le but de l'ouvrage de Peter Andrews qui se décompose en deux parties. 


  PV article infos

Published in Vol. 22, Fasc. 1 (1992)

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Repartition et dynamisme des faunes de Lacertilia et d'Amphisbaenia dans l'Eocène Europe
Marc Augé
Published online: 11/02/1993

Keywords: Amphisbaenia; climate; Endemism; Eocene; Europe; Lacertilia; Metabolism

https://doi.org/10.18563/pv.22.2-3.51-71

  Abstract

    The composition of assemblages of lizards and Amphisbaenian from the European Eocene are described. At least ten lizard families are identified from the lower European Eocene levels. Eight are still recorded in the last level (Escamps) of the late Eocene. Agamid lizards (genus Tinosaurus) died out by the end of the lower Eocene and Varanid lizards (genus Saniwa) disappeared by the beginning of the late Eocene. Amphisbaenians are recorded throughout the Eocene in Europe. The lacertilian fossil record of Europe and North America show a high degree of faunal resemblance in the early Eocene, followed by a decrease during the later part of the epoch. The lacertilian and amphisbaenian faunas from the European Eocene are not subject to great variations during the period; this is in contrast with the mammal record at the same time. It is argued that the low metabolic rates and the ectothermy of lizards could explain those differences, along with the increasing insularity of the West European area during the late Eocene time.

      


  PV article infos

Published in Vol. 22, Fasc. 2-3 (1993)

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Page 19 of 19, showing 5 record(s) out of 365 total