A new lithostrotian titanosaur (Dinosauria, Sauropoda) from the early cretaceous of Transbaikalia, Russia

Alexander Averianov, Pavel Skutschas

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Tengrisaurus starkovi, gen. et sp. nov., is described based on three caudal vertebrae from the Lower Cretaceous (Barremian?) Murtoi Formation at Mogoito locality, near Gusinoe Lake in Buryatia, Russia. The new taxon is characterized by strongly procoelous anterior and middle caudal vertebrae, with strongly developed pre-epipophyses, highly pneumatic neural spine, and solid bone structure of the centrum. The reweighted phylogenetic analysis places the new taxon as a non-saltasaurid lithostrotian titanosaur (Sauropoda). This is one of the oldest fossil records of Lithostrotia and Titanosauria, which suggests a long and unexplored evolution of titanosaurs in the Early Cretaceous of Asia.

Original languageEnglish
Pages (from-to)6-18
Number of pages13
JournalBiological Communications
Volume62
Issue number1
DOIs
StatePublished - 1 Apr 2017

Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)

Keywords

  • Dinosauria
  • Early cretaceous
  • Lithostrotia
  • Russia
  • Sauropoda
  • Titanosauria
  • Transbaikalia

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