A new taxon of birds (Aves) from the Early Cretaceous of Western Siberia, Russia

E.N. Kurochkin, N.V. Zelenkov, A.O. Averianov, S.V. Leshchinskiy

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

In recent decades numerous findings, mostly from the Early Cretaceous of China, have changed traditional conceptions about the diversity and evolution of the most ancient Aves. Findings of Mesozoic birds in Russia are extremely rare. Here we describe a new bird from the Lower Cretaceous (Barremian–Aptian, Ilekskaya Svita) Shestakovo-1 locality (southern Western Siberia, Russia), that has also yielded dinosaurs, mammals, crocodiles, pterosaurs and lizards. Mystiornis cyrili gen. et sp. nov. is based on an isolated metatarsus which displays a mosaic of morphological features allowing us to create a new order, Mystiornithiformes. Mystiornis has a fully consolidated (ornithurine-like) gracile metatarsus with a primitive coplanar arrangement of the metatarsals, three separate proximal articular facets, and a uniquely located distal interosseal canal. It also displays diving adaptations previously documented only in Ornithurae.
Original languageEnglish
Pages (from-to)109-117
JournalJournal of Systematic Palaeontology
Volume9
Issue number1
DOIs
StatePublished - 2011
Externally publishedYes

Keywords

  • Aves
  • Mystiornithiformes ordo nov.
  • Mystiornis gen. n.
  • Early Cretaceous
  • Russia
  • metatarsus

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