Definition of Hesperornithes. Meaning of Hesperornithes. Synonyms of Hesperornithes

- Hesperornithes is an extinct and highly specialized group of aquatic avialans closely related to the ancestors of modern birds. They inhabited both marine...
- definition: "extant birds and all other taxa, such as Ichthyornis and Hesperornithes, that are closer to extant birds than is Archaeopteryx". Later he and...
- Pasquiaornis is a prehistoric seabird genus of the Hesperornithes. It lived in the Late Cretaceous, during the late Cenomanian between 95 and 93 million...
- 2001: Potamornis skutchi. This was almost certainly a member of the Hesperornithes, the hefty and toothed flightless diving birds of the Mesozoic seas...
- exists for the ecology of B. advenus than for any other member of the Hesperornithes, with the possible exception of Hesperornis regalis, but still much...
- Enantiornithes became extinct at the Cretaceous–Paleogene boundary, along with Hesperornithes and all other non-avian dinosaurs. The first Enantiornithes to be discovered...
- years ago. It was found in the Kanguk Formation It was a member of the Hesperornithes, flightless toothed seabirds of the Cretaceous. Among these, it belonged...
- bizarre as Yungavolucris and Avisaurus. Though mostly small, marine Hesperornithes became relatively large and flightless, adapted to life in the open...
- †Hesperornithes...
- Ornithomimosauria, Oviraptorosauria, Deinonychosauria, Enantiornithes, and Hesperornithes. Only the Neornithes, otherwise known as modern birds, survived, and...