Paleontological Journal

, Volume 51, Issue 5, pp 547–555 | Cite as

New finds of hesperornithids in the European Russia, with comments on the systematics of Eurasian Hesperornithidae

  • N. V. Zelenkov
  • A. V. Panteleyev
  • A. A. Yarkov


New remains of Hesperornithidae are described from several Late Cretaceous (Campanian) localities of the Lower Volga Region (European Russia). New specimens from Rychkovo and Karaykino localities cannot be referred to as Hesperornis rossicus Nessov et Yarkov, 1993 and likely represent a new undescribed species. Bones from Rychkovo belonged to immature individuals with an incompletely formed tarsometatarsus, which is comparable in size to those of adults known from Karyakino. A tarsometatarsus from the Malaya Rybka locality belongs to a smaller hesperornithiform species and represents the first avian record in this locality. An even smaller hesperornithiform from the Bereslavka locality resembles Asiahesperornis bazhanovi Nessov et Prizemlin, 1991. We discuss the systematics of Eurasian hesperornithiforms. We adhere to the validity of Hesperornis rossicus and doubt of the assignment to this species of Swedish materials. Asiahesperornis bazhanovi is undoubtedly a separate valid taxon of hesperornithiforms, but the generic name Asiahesperornis Nessov et Prizemlin, 1991 may be a junior synonym of Parahesperornis Martin, 1984.


Hesperornithidae anatomy taxonomy systematics Eastern Europe Russia 


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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • N. V. Zelenkov
    • 1
  • A. V. Panteleyev
    • 2
  • A. A. Yarkov
    • 3
  1. 1.Borissiak Paleontological InstituteRussian Academy of SciencesMoscowRussia
  2. 2.Zoological InstituteRussian Academy of SciencesSt. PetersburgRussia
  3. 3.Museum of Natural History, Volgian Humanitarian InstituteBranch of Volgian State UniversityVolzhskyiRussia

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