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Nuevos datos sobre los dinosaurios terópodos (Saurischia: Theropoda) del Cretácico superior de los Pirineos Sur-Centrales (Huesca y Lleida)

    1. [1] Universidad Complutense de Madrid

      Universidad Complutense de Madrid

      Madrid, España

    2. [2] Universidad de Zaragoza

      Universidad de Zaragoza

      Zaragoza, España

  • Localización: Geotemas (Madrid), ISSN 1576-5172, Nº. 6, 5, 2004 (Ejemplar dedicado a: VI CONGRESO GEOLÓGICO DE ESPAÑA, ZARAGOZA, 12-15 JULIO, 2004), págs. 71-74
  • Idioma: español
  • Enlaces
  • Resumen
    • Six new theropod teeth recovered from the Blasi 1-3 sites (Upper Maastrichtian) in Arén (Huescaprovince, Spain) are described and added to the twenty six teeth already known from these and other five localities of Late Campanian-Early Maastrichtian age from the Arén and Tremp Formations (Figuerola 2, Fontllonga 6 , L'Abeller, Montrebei and Vicari 4, Lleida province). Eleven theropod teeth morphotypes are recognised: one belonging to a big size theropod of indeterminate family (Theropoda indet.), one small Coelurosauria indet, with unserrated teeth, the enigmatic Euronychodon sp., and eight morphotypes of cf. Dromaesauridae indet, with different denticlemorphology and serration density (which would represent four or five different taxa). The tooth previously described in the Upper Campanian of Lleida as "Richardoestesia like" could also be assigned to cf. Dromaeosauridae indet. Theropod diversity in our sites is apparently similar to that of the rest of Europe, and increases through the Campanian-Maastrichtian transition, although our small sample is biased towards the youngest sites.


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