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