Paläontologische Zeitschrift

, Volume 72, Issue 1–2, pp 179–189 | Cite as

Small theropod teeth from the Upper Jurassic coal mine of Guimarota (Portugal)

  • Jens Zinke


Isolated teeth of small theropod dinosaurs from the Upper Jurassic lignite coal mine of Guimarota (near Leiria, Portugal) are described and illustrated. The well known Upper Jurassic theropods from Europe,Archaeopteryx andCompsognathus, are the most common taxa in the Guimarota assemblage. One morphotype is closely related to an allosaurid theropod. Six further morphotypes of theropod teeth are also described, which are closely related to Cretaceous theropods such as dromaeosaurids, troodontids, tyrannosaurids,Richardoestesia andParonychodon. A Late Jurassic origin of these groups of theropods, which is very often postulated, is discussed.


Jurassic Zinke Lateral Tooth Lingual Side Median Ridge 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Isolierte Zähne theropoder Dinosaurier aus dem Oberen Jura der Kohlengrube Guimarota (bei Leiria, Portugal) werden beschrieben und abgebildet. Die häufigsten Zahnfunde ähneln morphologisch den Bezahnungen der oberjurassischen TheropodenArchaeopteryx undCompsognathus. Ein Morphotyp deutet auf das Vorhandensein eines Allosauriden hin. Sechs weitere Morphotypen von Theropoden-Zähnen zeigen große Ähnlichkeiten mit kreidezeitlichen Formen, wie Dromaeosauriden, Troodontiden, Tyrannosauriden,Richardoestesia undParonychodon. Für diese Gruppen wird ein spätjurassischer Ursprung diskutiert, wie er von einigen Autoren bereits vermutet wurde.


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Copyright information

© E. Schweizerbart’sche Verlagsbuchhandlung 1998

Authors and Affiliations

  • Jens Zinke
    • 1
  1. 1.Institut für PaläontologieFreie Universität BerlinBerlinGermany

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