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Two new ornithischian dinosaurs (Hypsilophodontia, Ornithopoda) from the Late Jurassic of Russia

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Abstract

Two new dinosaurs, Kulindapteryx ukureica gen. et sp. nov. (Jeholosauridae) and Daurosaurus olovus gen. et sp. nov. (Hypsilophodontidae) from the Ukureisk Formation (?Tithonian, Upper Jurassic) of the Kulinda locality in Transbaikalia (Russia) are described and assigned to Ornithopoda (Ornithischia). The origin and homology of the so-called obturator process of the ischium of Ornithopoda and Theropoda are discussed. The families Jeholosauridae and Hypsilophodontidae as well as Lesothosauridae are considered to belong to the infraorder Hypsilophodontia (Ornithopoda, Ornithischia). It is shown that hypsilophodontians had skin scales divided into bristles.

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Authors and Affiliations

  1. Borissiak Paleontological Institute, Russian Academy of Sciences, Profsoyuznaya ul. 123, Moscow, 117997, Russia

    V. R. Alifanov

  2. Scientific Research Institute of Human Morphology, Russian Academy of Medical Sciences, ul. Tsyurupy 3, Moscow, 117418, Russia

    S. V. Saveliev

Authors
  1. V. R. Alifanov
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  2. S. V. Saveliev
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Correspondence to V. R. Alifanov.

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Original Russian Text © V.R. Alifanov, S.V. Saveliev, 2014, published in Paleontologicheskii Zhurnal, 2014, No. 4, pp. 72–82.

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Alifanov, V.R., Saveliev, S.V. Two new ornithischian dinosaurs (Hypsilophodontia, Ornithopoda) from the Late Jurassic of Russia. Paleontol. J. 48, 414–425 (2014). https://doi.org/10.1134/S0031030114040029

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  • DOI: https://doi.org/10.1134/S0031030114040029

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