Ichthyornithidae

plural noun

Ich·​thy·​or·​nith·​i·​dae

-ˌȯrˈnithəˌdē

: a family of extinct birds (order Ichthyornithiformes) from the Upper Cretaceous of North America that comprises the genus Ichthyornis and in some classifications Apatornis and possibly one other genus

Word History

Etymology

New Latin, from Ichthyornith-, Ichthyornis, type genus + -idae

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