„Hesperornis” változatai közötti eltérés

* {{cite book|author=Thomson, Keith Stewart|year=2008|title=The Legacy of the Mastodon: The Golden Age of Fossils in America|publisher=Yale University Press|isbn=0-300-11704-3}}
* {{cite book|author=Wallace, David Rains|year=1999|title=The Bonehunters' Revenge: Dinosaurs, Greed, and the Greatest Scientific Feud of the Gilded Age|publisher=Houghton Mifflin Books|isbn=0-618-08240-9}}
* Everhart, M.J. (2012): [[Oceans of Kansas]]: [http://www.oceansofkansas.com/hesper.html ''Hesperornis regalis'' Marsh 1872 – Toothed marine birds of the Late Cretaceous seas]. Version of 2012-September-19.
* Everhart, M.J. 2011. Rediscovery of the ''Hesperornis regalis'' Marsh 1871 holotype locality indicates an earlier stratigraphic occurrence. Kansas Academy of Science,Transactions 114(1-2):59-68.
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