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The first record of a dinosaur from Bulgaria

  1. OCTÁVIO MATEUS,
  2. GARETH J. DYKE,
  3. NEDA MOTCHUROVA-DEKOVA,
  4. GEORGE D. KAMENOV,
  5. PLAMEN IVANOV

Article first published online: 24 JUN 2009

DOI: 10.1111/j.1502-3931.2009.00174.x

Issue

Lethaia

Lethaia

Volume 43, Issue 1, pages 88–94, March 2010

Additional Information

How to Cite

MATEUS, O., DYKE, G. J., MOTCHUROVA-DEKOVA, N., KAMENOV, G. D. and IVANOV, P. (2010), The first record of a dinosaur from Bulgaria. Lethaia, 43: 88–94. doi: 10.1111/j.1502-3931.2009.00174.x

Author Information

  1. Octávio Mateus [omateus@fct.unl.pt], Faculdade de Ciências e Tecnologia, CICEGe, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal, and Museu da Lourinhã, Rua João Luís de Moura, 2530-157 Lourinhã, Portugal; Gareth J. Dyke [gareth.dyke@ucd.ie], School of Biology and Environmental Sciences, University College Dublin, Belfield, Dublin 4, Ireland; Neda Motchurova-Dekova [neda_dekova@yahoo.com], National Museum of Natural History, 1, Tzar Osvoboditel Blvd, Sofia 1000, Bulgaria; George Kamenov [kamenov@ufl.edu], Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, USA; Plamen Ivanov [pacoceratops@gmail.com], Museu da Lourinhã, Rua João Luís de Moura, 2530-157 Lourinhã, Portugal;

Publication History

  1. Issue published online: 26 JAN 2010
  2. Article first published online: 24 JUN 2009
  3. manuscript received on 27/11/2008; manuscript accepted on 02/03/2009.

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Mateus, O., Dyke, G.J., Motchurova-Dekova, N., Kamenov, G.D. & Ivanov, P. 2010: The first record of a dinosaur from Bulgaria. Lethaia, Vol. 43, pp. 88–94.

A portion of a left humerus from the Upper Maastrichtian of Vratsa district (NW Bulgaria) is shown to be from a non-avian theropod dinosaur: this is the first record of a dinosaur from Bulgaria. We describe this bone, suggest that it most likely pertains to an ornithomimosaur, and discuss the fossil record of other similar taxa of Late Cretaceous age that have been reported from Europe. To investigate the taphonomy of this fossil, rare earth element (REE) analysis is combined with strontium (Sr) isotope data to confirm that this Bulgarian dinosaur bone was initially fossilized in a terrestrial environment, then later re-worked into late Maastrichtian marine sediments. □Bulgaria, Dinosauria, Late Cretaceous, Ornithomimosauria, rare earth elements, Sr isotopes, taphonomy, Theropoda.

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