Did you by any chance mean Hesperis?
Definitions
Century Dictionary and Cyclopedia
- n. The typical genus of fossil birds of the family Hesperornithidæ. The best-known species is H. regalis, discovered in 1870 in the yellow chalk of the pteranodon beds of Kansas.
O. C. Marsh, 1872.
GNU Webster's 1913
- n. (Paleon.) A genus of large, extinct, wingless birds from the Cretaceous deposits of Kansas, belonging to the Odontornithes. They had teeth, and were essentially carnivorous swimming ostriches. Several species are known. See
Illust. in Append.
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Lists
These user-created lists contain the word ‘hesperornis’.
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Prehistoric and Extinct Birds
Does not include "protobirds," which are still dinosaurs (and thus are left on my Dinosaurs list). (They are tagged as such for easier identification, though surely I missed a lot of them.)
aquatilavipes, jibeinia, ichthyornis, iberomesornis, hesperornis, eoalulavis, enantiornithes, phororhacos, otogornis, confuciusornis, gastornis, diatryma and 404 more...
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