Temporal range: Early Cretaceous - Present, 130–0 Ma
PreꞒ
Ꞓ
O
S
D
C
P
T
J
K
Pg
N
Cast skeleton of Ichthyornis dispar, Rocky Mountain Dinosaur Resource Center
Australian brushturkey (Alectura lathami)
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Clade:
Dinosauria
Clade:
Saurischia
Clade:
Theropoda
Clade:
Avialae
Clade:
Ornithuromorpha
Clade:
Ornithurae Haeckel, 1866
Subgroups
†Antarcticavis?
†Apatornis
†Cerebavis
†Gallornis
†Gargantuavis?[1]
†Guildavis
†Iaceornis
†Kookne
†Limenavis
†Qinornis
†Tingmiatornis
†Hesperornithes
†Ichthyornithes
†Vegaviidae
†Cimolopterygidae
Aves (modern birds)
Ornithurae (meaning "bird tails" in Greek) 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 ancestor.
^Gerald Mayr, Vlad Codrea, Alexandru Solomon, Marian Bordeianu, Thierry Smith (2020). "Reply to comments on "A well-preserved pelvis from the Maastrichtian of Romania suggests that the enigmatic Gargantuavis is neither an ornithurine bird nor an insular endemic"" (PDF). Cretaceous Research. 112 (104465). Archived (PDF) from the original on October 14, 2023.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Ornithurae (meaning "bird tails" in Greek) is a natural group which includes the common ancestor of Ichthyornis, Hesperornis, and all modern birds as well...
phylogenetic taxonomy, and systematics of Ichthyornis and Apatornis (Avialae: Ornithurae)". Bulletin of the American Museum of Natural History. 286: 1–179. doi:10...
Phylogenetic Taxonomy, and Systematics of Ichthyornis and Apatornis (Avialae: Ornithurae)" (PDF). Bulletin of the American Museum of Natural History. 286: 1–179...
Luis Chiappe in 1999 as the common ancestor of Patagopteryx, Vorona, and Ornithurae, plus all of its descendants. Because one definition is node-based and...
the basis of an isolated left leg. It is the oldest-known member of the Ornithurae, the group which includes modern birds (Neornithes) and extinct related...
feathers. The other pygostyle type is plowshare-shaped. It is found in Ornithurae (living birds and their closest relatives), and in almost all flying species...
Phylogenetic Taxonomy, and Systematics of Ichthyornis and Apatornis (Avialae: Ornithurae)" (PDF). Bulletin of the American Museum of Natural History. 286: 1–179...
Most analyses have found it to be either an unresolved member of the Ornithurae, or a more primitive member of Ornithuromorpha. One 2006 study, for example...
most living birds. The taxonomy of this group is confusing; the name "Ornithurae" was first proposed by Ernst Haeckel in 1866 and has been revised in meaning...
cervical vertebrae, that were previously known only in members of the Ornithurae. A phylogenetic analysis by Zhou et al. reduces to just three the number...
alternative position for vegaviids as stem-birds in the more inclusive clade Ornithurae. In 2018 Mayr and colleagues did a review of vegaviid systematics stating...
phylogenetic taxonomy, and systematics of Ichthyornis and Apatornis (Avialae: Ornithurae)" (PDF). Bulletin of the American Museum of Natural History. 286: 1–179...
position of Ichthyornis Marsh and the phylogenetic relationships of basal Ornithurae". Ph.D. dissertation, Yale University, New Haven, CT. 532 pp. O’Connor...
phylogenetic taxonomy, and systematics of Ichthyornis and Apatornis (Avialae: Ornithurae)" (PDF). Bulletin of the American Museum of Natural History. 286: 1–179...
phylogenetically separate from the Ornithurae and, thus, from modern birds. Apsaravis has features of both Sauriurae and Ornithurae. Apsaravis has several characters...
femur suggested that the species belongs to Ornithuromorpha, and probably Ornithurae, being more closely related to moderns birds than to, belonging to its...
placement, possibly a member of Ornithuromorpha belonging to the group Ornithurae. It is known from a partial skeleton which was discovered in the Snow...
from all other birds then known, which he grouped in the sister-group Ornithurae ("bird tails"). The distinction Haeckel referred to in this name is that...
Phylogenetic Taxonomy, and Systematics of Ichthyornis and Apatornis (Avialae: Ornithurae). Bulletin of the American Museum of Natural History 286: 1–179 PDF fulltext...
Phylogenetic Taxonomy, and Systematics of Ichthyornis and Apatornis (Avialae: Ornithurae)" (PDF). Bulletin of the American Museum of Natural History. 286: 1–179...
analyses, this definition would be synonymous with the more widely used name Ornithurae. An alternate definition was provided in 2001, naming Carinatae an apomorphy-based...
Yanornithiformes has been erected to mark their distinctness from other early Ornithurae such as Gansus, but might be called Songlingornithiformes; especially...
and referred to the species in 1997, it was regarded as a member of the Ornithurae (=Euornithes), the lineage including modern birds but not enantiornitheans...
from all other birds then known, which he grouped in the sister-group Ornithurae ("bird tails"). The distinction Haeckel referred to in this name is that...
phylogenetic taxonomy, and systematics of Ichthyornis and Apatornis (Avialae: Ornithurae). Bulletin of the American Museum of Natural History 286:1-179. Scoggins...
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