Definition of Hesperornithine. Meaning of Hesperornithine. Synonyms of Hesperornithine

- Hesperornithes is an extinct and highly specialized group of aquatic avialans closely related to the ancestors of modern birds. They inhabited both marine...
- is a genus of hesperornithine which lived during the late Albian to the early Cenomanian, making them the oldest known hesperornithines. Fossils have...
- Mesozoic dinosaur groups such as the arboreal enantiornithines, aquatic hesperornithines, and even the larger terrestrial theropods (in the form of Gastornis...
- modern birds and their very close relatives such as Ichthyornis and the hesperornithines. This clade is defined in the PhyloCode by Juan Benito and colleagues...
- understood, as specimens of juveniles are rare, and many were mistaken for hesperornithine birds when discovered 100 years ago. However, the discovery of several...
- Stratigraphic position Material Notes Images cf. Baptornis Indeterminate A hesperornithine bird cf. Cimolopteryx Indeterminate Partial coracoid A possible charadriiform...
- However, the former is now considered a junior synonym of Baptornis (a hesperornithine), while the latter may be a very early fowl of the group Galloanserae...
- mongoliensis Bügiin Tsav "Nearly complete left tarsometatarsus." A hesperornithine. Gurilynia G. nessovi Guriliin Tsav Middle "Left coracoid and partial...
- rossicus was the largest species of Hesperornis and among the largest hesperornithines, slightly smaller than the large Canadian genus Canadaga. Aside from...
- anymore. The presumed relative Parascaniornis is now known to be a hesperornithine of the genus Baptornis. The Hesperornithes which became extinct by...