Paläontologische Zeitschrift

, Volume 87, Issue 3, pp 415–422 | Cite as

Squamate finding in “Lo Hueco” (Late Campanian-Early Maastrichtian, Cuenca Province, Spain): the second non-marine pythonomorph lizard

  • Alexandra Houssaye
  • Nathalie Bardet
  • Iván Narváez
  • Francisco Ortega
Research Paper

Abstract

Two squamate vertebrae were discovered in the site of “Lo Hueco” (Cuenca, Spain; Late Campanian-Early Maastrichtian), which has yielded a rich and diversified fossil fauna. Their anatomical and microanatomical features are described. They reveal that these vertebrae probably belong to a new genus of Pythonomorpha. This taxon corresponds to the second non-marine pythonomorph lizard hitherto described. Anatomical, microanatomical and sedimentological data suggest a terrestrial or amphibious mode of life. This discovery raises questions about the evolutionary history of pythonomorph lizards in non-marine deposits.

Keywords

Pythonomorpha Squamata Vertebrae New genus and species Non-marine 

Kurzfassung

In der an Fossilien reichen Fundstelle Lo Hueco (Cuenca, Spanien; oberes Campanium- unteres Maastrichtium) sind zwei Wirbel von Squamata enthalten. Die anatomischen und mikroanatomischen Merkmale der beiden Wirbel werden im Detail beschrieben. Sie zeigen, dass diese Wirbel wahrscheinlich zu einer neuen Gattung von Pythonomorpha gehören und repräsentieren somit erst das zweite soweit bekannte Taxon einer nicht-marinen pythonomorphen Eidechse. Anatomische, mikroanatomische und sedimentologische Daten suggerieren eine terrestrische oder amphibische Lebensweise der Pythonomorpha aus Lo Hueco. Diese Entdeckung wirft Fragen über die evolutionäre Geschichte der pythonomorphen Eidechsen in nicht-marinen Ablagerungen auf.

Schlüsselwörter

Pythonomorpha Squamata Wirbel Neue Gattung und Spezies Nicht-marin 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Alexandra Houssaye
    • 1
  • Nathalie Bardet
    • 2
  • Iván Narváez
    • 3
  • Francisco Ortega
    • 3
  1. 1.Steinmann Institut für Geologie, Paläontologie und MineralogieUniversität BonnBonnGermany
  2. 2.UMR 7207 du CNRS, Département Histoire de la TerreMuséum National d’Histoire NaturelleParisFrance
  3. 3.Grupo de Biología Evolutiva. Facultad de CienciasUniversidad Nacional de Educación a DistanciaMadridSpain

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