The Bulgarian dinosaur: did it exist? European late Cretaceous ornithomimosaurs

Citation:
Mateus, O., Dyke G., Motchurova-Dekova N., Ivanov P., & Kamenov G. D. (2008).  The Bulgarian dinosaur: did it exist? European late Cretaceous ornithomimosaurs. 56th Symposium of Vertebrate Palaeontology and Comparative Anatomy. 47., Dublin

Abstract:

For historical and geological reasons the dinosaurian fossil record from central Europe is little known. Here we describe and interpret a portion of a left humerus from the Upper Maastrichtian of Vratsa district in north-western Bulgaria. This bone is the first known record of a dinosaur from Bulgaria; it is certainly a theropod, probably an ornithomimosaur. We discuss the fossil record of other similar fossils of theropod dinosaurs, in particular other problematic remains from the Maastrichtian of Belgium. Rare Earth Element (REE) analysis combined with strontium (Sr) isotope data demonstrate that the Bulgarian dinosaur was initially fossilised in a terrestrial environment and then later re-worked into Late Maastrichtian marine sediments.

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