(n.) An extinct genus of toothed birds found in the American Cretaceous formation. It is remarkable for having biconcave vertebrae, and sharp, conical teeth set in sockets. Its wings were well developed. It is the type of the order Odontotormae.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). ichthyornis. Retrieved September 22, 2026, from http://smartdefine.org/ichthyornis/definitions/2018649 |
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| MLA | Webster's. "ichthyornis" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/ichthyornis/definitions/2018649> |