- an extinct genus of toothed birds having vertebrae resembling those of fishes.
Origin of Ichthyornis
Examples from the Web for ichthyornis
Historical Examples of ichthyornis
Ichthyornis, ik-thi-or′nis, n. a fossil bird with vertebr like those of fishes, and with teeth set in sockets.
They are of two leading types, of which the Ichthyornis and Hesperornis are the standard specimens.The Story of Evolution
The remarkable “fish-bird” (Ichthyornis) of Marsh is also very reptilian in some of its characters.The Chain of Life in Geological Time
Sir J. William Dawson
In Ichthyornis they are also distinct, in all other known birds they are fused together to a greater or less extent.The Vertebrate Skeleton
Sidney H. Reynolds
- an extinct Cretaceous sea bird of the genus Ichthyornis, thought to have resembled a tern