Hesperornithiformes

plural noun Hes·per·or·nith·i·for·mes \ˌhespə(ˌ)rȯrˌnithəˈfȯrˌmēz\

Definition of Hesperornithiformes

  1. :  an order of extinct aquatic birds (superorder Odontognathae) including the genus Hesperornis and related Cretaceous forms

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Origin and Etymology of hesperornithiformes

New Latin, from Hesperornith-, Hesperornis + -iformes


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