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hesperornis

Hesperornis is a 11 letter word which starts with the letter H and ends with the letter S for which we found 1 definitions.

Definition
(n.) 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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