Hesperornithes

Translingual

Etymology

Plural of Hesperornis

Proper noun

†Hesperornithes

1. An extinct, highly specialized clade of aquatic avialans closely related to the ancestors of modern birds.

References

• Hesperornithes on Wikipedia.Wikipedia
• Hesperornithes on Wikispecies.Wikispecies
• Hesperornithes on Wikimedia Commons.Wikimedia Commons