million years ago). It is the only species of Hesperornis for which a nearly complete skull is known. Hesperornis crassipes was named in 1876 by Marsh, who...
26 KB (3,023 words) - 20:44, 3 July 2024
freshwater habitats in the Northern Hemisphere, and include genera such as Hesperornis, Parahesperornis, Baptornis, Enaliornis, and Potamornis, all strong-swimming...
13 KB (1,279 words) - 04:51, 19 March 2024
is a natural group which includes the common ancestor of Ichthyornis, Hesperornis, and all modern birds as well as all other descendants of that common...
7 KB (519 words) - 11:48, 26 May 2024
and far between, at least compared with its contemporary relatives in Hesperornis. Remains are known from central North America, namely the former shallows...
5 KB (446 words) - 22:31, 16 January 2024
birds. Using the then newly discovered fossils of Archaeopteryx and Hesperornis, Thomas Henry Huxley pronounced that they had evolved from dinosaurs...
69 KB (6,804 words) - 10:43, 16 June 2024
In addition to non-crown group primitive birds like Archaeopteryx, Hesperornis and Confuciusornis, therefore, pan-group birds would include all dinosaurs...
24 KB (2,760 words) - 18:01, 25 April 2024
any other member of the Hesperornithes, with the possible exception of Hesperornis regalis, but still much is left to conjecture. The loon-sized bird was...
9 KB (1,045 words) - 11:28, 29 April 2023
Max (1 January 1935). "Colymbus, Hesperornis, Podiceps: ein Vergleich ihrer hinteren Extremität" [Colymbus, Hesperornis, Podiceps: a comparison of their...
42 KB (3,607 words) - 23:42, 2 July 2024
the late Cretaceous. Strong-swimming and toothed predatory waterbird Hesperornis roamed late Cretacean oceans. The ammonite Discoscaphites iris, Owl Creek...
91 KB (9,482 words) - 16:15, 11 July 2024
Domyoji Death Note — Raye Penber, Anthony Rester Dinosaur Train — Jess the Hesperornis, Reggie the Raptorex Dragon Drive — Hikaru Himuro Dynasty Warriors: Gundam...
8 KB (578 words) - 10:39, 13 July 2024