Definition of Hesperornitheans. Meaning of Hesperornitheans. Synonyms of Hesperornitheans

- inclusive group Hesperornithidae as all hesperornitheans closer to Hesperornis than to Baptornis. Hesperornitheans were originally combined with Ichthyornis...
- species of closely related avialans, like the hesperornitheans. Both the ichthyornitheans and hesperornitheans were strongly linked to their ecosystem in...
- a specialized diet. Its dentition shows similarities with those of hesperornitheans, and indeed it may be an early member of that group. The generic name...
- their bellies, like modern seals. However, more recent studies on hesperornithean hindlimbs suggest they were more functionally similar to those of the...
- Brodavis is a genus of freshwater hesperornithiform birds known from the Late Cretaceous (possibly Campanian and Maastrichtian stage) of North America...
- Canadaga (meaning "Canadian bird") is a flightless bird genus from the Late Cretaceous. The single known species is Canadaga arctica. It lived in the shallow...
- Potamornis is a prehistoric bird genus that dated back to the late Maastrichtian age of the late Cretaceous period. Its s****py remains were found in the...
- Asiahesperornis is a prehistoric foot-propelled diving toothed[citation needed] flightless bird genus from the Late Cretaceous. The single known species...
- Fumicollis is a genus of prehistoric flightless birds from the Late Cretaceous (Coniacian-Santonian) Niobrara Chalk of Kansas. Diagnostic traits of Fumicollis...
- Baptornis ("diving bird") is a genus of flightless, aquatic birds from the Late Cretaceous, some 87-80 million years ago (roughly mid-Coniacian to mid-Campanian...