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...
- Mesozoic dinosaur groups such as the arboreal enantiornithines, aquatic hesperornithines, and even the larger terrestrial theropods (in the form of Gastornis...
- is a genus of hesperornithine which lived during the late Albian to the early Cenomanian, making them the oldest known hesperornithines. Fossils have...
- understood, as specimens of juveniles are rare, and many were mistaken for hesperornithine birds when discovered 100 years ago. However, the discovery of several...
- 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 or Upper "Left coracoid...
- Stratigraphic position Material Notes Images cf. Baptornis Indeterminate A hesperornithine bird cf. Cimolopteryx Indeterminate Partial coracoid A possible charadriiform...
- with a height of approximately 1 m (3.3 ft). The largest known of the hesperornithines was Canadaga arctica at 2.2 m (7 ft 3 in) long. One of the heaviest...
- flighted hesperornithine dating back to the Campanian. †Canadaga †Canadaga arctica 67 Ma Bylot Island, Nunavut, Canada A genus of hesperornithine that, unlike...
- anymore. The presumed relative Parascaniornis is now known to be a hesperornithine of the genus Baptornis. The Hesperornithes which became extinct by...