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Temporal range: Late Cretaceous, 70 Ma
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Saurischia
Suborder: Theropoda
Clade: Hesperornithes
Family: Hesperornithidae
Subfamily: Asiahesperornithinae
Nesov & Prizemlin, 1991
Genus: Asiahesperornis
Nesov & Prizemlin, 1991
A. bazhanovi
Binomial name
Asiahesperornis bazhanovi
Nesov & Prizemlin, 1991

Asiahesperornis is a prehistoric foot-propelled[1] diving[2] toothed[citation needed] flightless bird genus from the Late Cretaceous. The single known species is Asiahesperornis bazhanovi. It lived in what today is Kazakhstan, at its time the shores of the shallow Turgai Sea.[citation needed]

It was a member of the Hesperornithes, flightless toothed seabirds of the Cretaceous. Its exact relationships are not completely resolved, but it probably belongs into the Hesperornithidae just like Hesperornis, well-known from the Western Interior Seaway that covered most of the US Midwest in the Mesozoic.[3] Its name is derived from its findings in Asia.[citation needed]


  1. ^ Dyke, Gareth J.; Malakhov, D.V.; Chiappe, L.M. (2006). "The marine bird Asiahesperornis from the Cretaceous of northern Kazakhstan". Cretaceous Research. 27 (6): 947–953. doi:10.1016/j.cretres.2006.05.001.
  2. ^ Dyke, Gareth J.; Malakhov, Dmitry V.; Chiappe, Luis M. (2006). "A re-analysis of the marine bird Asiahesperornis". Cretaceous Research. 27 (6): 947–953. doi:10.1016/j.cretres.2006.05.001.
  3. ^ Mortimer, Micheal. "Phylogeny of taxa". The Therapod Database. Archived from the original on 2013-05-16. Retrieved 2013-03-02.

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