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Extinct genus of birds
Late Cretaceous. Ichthyornis is a common component of the Niobrara Formation fauna, and numerous specimens have been found. Ichthyornis has been historically
Ichthyornis
Clade of dinosaurs
Juan Benito and colleagues in 2022 as "the smallest clade containing Ichthyornis dispar, Hesperornis regalis, and Vultur gryphus." Ernst Haeckel coined
Ornithurae
Extinct clade of dinosaurs
to the group's namesake, Ichthyornis. However, these seem to have been more closely related to modern birds than to Ichthyornis dispar. In Julia Clarke's
Ichthyornithes
Clade of dinosaurs
Bhullar, B.S.; Burnham, D.; Field, D.J. (2022). "Forty new specimens of Ichthyornis provide unprecedented insight into the postcranial morphology of crownward
Euornithes
Warm-blooded animals with wings and feathers
and diving species. The latter included the superficially gull-like Ichthyornis and the Hesperornithiformes, which became so well adapted to hunting
Bird
Extinct clade of aquatic avialans closely related to modern birds
Hesperornis than to Baptornis. Hesperornitheans were originally combined with Ichthyornis in the paraphyletic group "Odontornithes" by Othniel Charles Marsh, in
Hesperornithes
Extinct genus of birds
as lobed toes for this group. Like many other Mesozoic birds such as Ichthyornis, Hesperornis had teeth as well as a beak. In the hesperornithiform lineage
Hesperornis
Prehistoric inland sea that split the continent of North America
steering rather than flight; and the tern-like Ichthyornis, an early avian with a toothy beak. Ichthyornis shared the sky with large pterosaurs, such as
Western_Interior_Seaway
Infraclass of birds
However, a neognath-like palate is also present in ornithuran birds like Ichthyornis. Neognathae was long ranked as a superorder subdivided into orders. Attempts
Neognathae
Obsolete bird taxonomic term
somewhat taller H. crassipes, and Ichthyornis dispar. Hesperornis looked somewhat similar to a loon, while Ichthyornis was quite similar to a gull or petrel
Odontornithes
Extinct genus of birds
but closer and later relatives of modern birds such as Hesperornis and Ichthyornis were toothed, indicating that the loss of teeth occurred convergently
Confuciusornis
Extinct genus of dinosaurs
Its type species was originally classified as Ichthyornis celer. A. celer was long allied with Ichthyornis, having been assigned to Ichthyornidae by Marsh
Apatornis
Extinct genus of dinosaurs
includes modern birds (Neornithes) and extinct related groups, such as Ichthyornis and Hesperornithes. The genus Gansus originally contained a single species
Gansus
Extinct mammals characterized by grooved teeth
It is known from several aquatic amniotes: ichthyosaurs, Hesperornis, Ichthyornis, juvenile caimans, some cetaceans and even some ctenochasmatoid pterosaurs
Aulacodont
Extinct genus of dinosaurs
Chiappe found Limenavis to be a member of Carinatae more advanced than Ichthyornis but not a member of the modern bird group Neornithes. A 2013 analysis
Limenavis
Fossil bird genus from Belgium
coastline and co-existed with more "primitive" types of birds such as Ichthyornis. Asteriornis is one of the oldest-known birds irrefutably belonging to
Asteriornis
Clade including all birds and their ancestors
Bhullar, B.S.; Burnham, D.; Field, D.J. (2022). "Forty new specimens of Ichthyornis provide unprecedented insight into the postcranial morphology of crownward
Avialae
Extinct genus of birds
Schizooura Patagopteryx Mengciusornis Longicrusavis Yanornis Eogranivora Dingavis Gansus Xinghaiornis Apsaravis Hesperornis Ichthyornis Neornithes Gallus Anas
Iberomesornis
Fossil bird genus from Belgium
134.8 millimeters compared to 71.5 millimeters for the largest known Ichthyornis upper arm bone, specimen YPM 1742. Extrapolation from the humerus shaft
Janavis
Third and last period of the Mesozoic Era
Confuciusornis, a genus of crow-sized birds from the Early Cretaceous Ichthyornis was a toothed, seabird-like ornithuran from the Late Cretaceous Rhynchocephalians
Cretaceous
Extinct genus of dinosaurs
advanced than Ichthyornis but less advanced than modern birds. Clarke, J.A. (2004). "Morphology, phylogenetic taxonomy, and systematics of Ichthyornis and Apatornis
Iaceornis
Hard structure of the mouth
from birth to death. New teeth are created within old teeth. A skull of Ichthyornis discovered in 2014 suggests that the beak of birds may have evolved from
Tooth
American lawyer and geologist (1817–1879)
notable finds is the holotype of the first recognized "bird with teeth", Ichthyornis. While working for Marsh, he also discovered the type species of the
Benjamin_Franklin_Mudge
Scientific study of bird evolution and fossil birds
Other areas of interest to paleornithologists are the early sea-birds Ichthyornis, Hesperornis, and others. Notable paleornithologists are Storrs L. Olson
Paleornithology
Brain of birds
cerebellum and optic lobe lateral to the telencephalon, is found in Ichthyornis, a bird that lived 70 million years ago and closely related to modern
Avian_brain
1996 American film
eventually interrupted by a mostly-blind Deinosuchus named Dil and an Ichthyornis named Ichy, who intend to eat them. Dil and Ichy pursue Littlefoot and
The Land Before Time IV: Journey Through the Mists
The_Land_Before_Time_IV:_Journey_Through_the_Mists
2010 British film
Tanystropheus Placochelys Rhomaleosaurus Ammonites Leedsichthys Mosasaurus Ichthyornis Cryptoclidus Nothosaurus Shonisaurus Ophthalmosaurus Mixosaurus Prognathodon
Sea_Rex
2001 Feathered Dinosaurs Coelurosaurs Maniraptora Aves Neornithes (P) Ichthyornis Hesperornis Patagopteryx Enantiornithes (P) Confuciusornis (P) Archaeopteryx
Timeline of oviraptorosaur research
Timeline_of_oviraptorosaur_research
Extinct genus of dinosaur
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Yi_(dinosaur)
Genus of theropod dinosaur
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Kayrasaurus
Extinct genus of bird-like dinosaurs
as did the dromaeosaurid Mahakala. The avialans Confuciusornis and Ichthyornis grew relatively quickly, following a growth trend similar to that of
Archaeopteryx
Extinct genus of anchiornithid dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Fujianvenator
Extinct genus of birds
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Gastornis
Clade of extant dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Pygostylia
Extinct genus of birds
the slightly younger Martinavis and "Ichthyornis" minusculus, which was originally misidentified as Ichthyornis based on its presence in marine deposits
Halimornis
Extinct bird genus
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Kunpengornis
(2022). New information on the anatomy of the postcranial skeleton of Ichthyornis, based on data from 40 previously undescribed specimens, is presented
2022 in archosaur paleontology
2022_in_archosaur_paleontology
Clade of birds
belongs to the pangalliforms. Austinornis lentus (formerly referred to as Ichthyornis lentus, Graculavus lentus, or Pedioecetes lentus) was found in the Late
Pangalliformes
Genus of pterosaur of the Late Cretaceous
fossils from the formation. Also less common was the early toothed bird, Ichthyornis. Below the surface, the sea was populated primarily by invertebrates
Pteranodon
Extinct genus of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Xiaotingia
Extinct family of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Scansoriopterygidae
2001 Feathered Dinosaurs Coelurosaurs Maniraptora Aves Neornithes (P) Ichthyornis Hesperornis Patagopteryx Enantiornithes (P) Confuciusornis (P) Archaeopteryx
Timeline of dromaeosaurid research
Timeline_of_dromaeosaurid_research
Extinct genus of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Antarcticavis
Clade of birds
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Pangalloanserae
Geologic formation in Texas, United States
Clarke. 2004. Morphology, phylogenetic taxonomy, and systematics of Ichthyornis and Apatornis (Avialae: Ornithurae). Bulletin of the American Museum
Austin_Chalk
Extinct genus of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Eogranivora
Extinct genus of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Martharaptor
Extinct genus of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Philovenator
Extinct genus of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Chaoyangia
Extinct genus of avialan
Iteravis 'Gansus zheni' AGB5841 Gansus yumenensis Baptornis Hesperornis Ichthyornis Apsaravis Iaceornis Aves Topology B: Implied weighting results of O'Connor
Iteravis
Extinct genus of marine lizard from the Late Cretaceous
Protostega and Archelon; many species of sea birds including Baptornis, Ichthyornis, and Halimornis; sharks such as the mackerel sharks Cretalamna, Squalicorax
Mosasaurus
Extinct genus of birds
by Shufeldt in 1915. "Graculavus" lentus was for some time placed in Ichthyornis or Pedioecetes after being removed from the present genus. It is not
Graculavus
J.A (2004). "Morphology, phylogenetic taxonomy, and systematics of Ichthyornis and Apatornis (Avialae: Ornithurae)" (PDF). Bulletin of the American
List_of_Mesozoic_birds
American paleontologist (1831–1899)
Diracodon (1881) Dryosaurus (1894) Dryptosaurus (1877) Hesperornis (1872) Ichthyornis (1873) Labrosaurus (1896) Laosaurus (1878) Lestornis (1876) Nanosaurus
Othniel_Charles_Marsh
Extinct genus of birds
J.A. (2004). "Morphology, phylogenetic taxonomy, and systematics of Ichthyornis and Apatornis (Avialae: Ornithurae)". Bulletin of the American Museum
Austinornis
Extinct genus of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Scansoriopteryx
Genus of theropod dinosaur
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Falcarius
Cretaceous geologic formation in California and Oregon
Vertebrates of the Chico Formation Genus Species Location Member Abundance Notes Images Clidastes Hesperornis Ichthyornis indet. Pteranodontidae
Chico_Formation
Extinct genus of birds
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Caspiodontornis
Geological formation in the United States of America
of Ichthyornis, although the new combination I. antecessor was held to be valid for a while following the sinking of Angelinornis into Ichthyornis. Later
Mooreville_Chalk
2000 book by John Colagrande and Larry Felder
Cretoxyrhina (illustrated only) Hesperornis Pteranodon Apsopelix Nyctosaurus Ichthyornis Archelon Tylosaurus Ammonites Corridor discusses the biodiversity of
In_the_Presence_of_Dinosaurs
Extinct species of dinosaur
relatively advanced bird, a member of the Ornithurae, related to birds like Ichthyornis. Other studies have recovered it as a member of the primitive family
Hollanda_luceria
Extinct species of mosasaurs
Plioplatecarpus, and Tylosaurus, as well as birds (Brodavis, Hesperornis, and Ichthyornis), plesiosaurs (Dolichorhynchops, Elasmosaurus, Styxosaurus, and Trinacromerum)
Jormungandr_walhallaensis
Genus of ornithocheiran pterosaurs
or chelonoid turtles, and an early form of bird similar to the later Ichthyornis. In addition to Saratovia itself, a species of lonchodectid pterosaur
Saratovia
Derivation of birds from a dinosaur precursor
Many were coastal birds, strikingly resembling modern shorebirds, like Ichthyornis, or ducks, like Gansus. Some evolved as swimming hunters, like the Hesperornithiformes
Evolution_of_birds
Order of heavy-bodied ground-feeding birds
Julia A (2004). "Morphology, Phylogenetic Taxonomy, and Systematics of Ichthyornis and Apatornis (Avialae: Ornithurae)" (PDF). Bulletin of the American
Galliformes
Extinct family of seabirds
Unlike the true teeth of Mesozoic stem-birds like Archaeopteryx or Ichthyornis, the pseudoteeth of the pelagornithids do not seem to have had serrated
Pelagornithidae
Extinct genus of birds
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Pelagornis
Genus of extinct avialan
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Zhengheornis
Genus of theropod dinosaur
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Changzhousaurus
Extinct genus of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Nanshiungosaurus
List of life forms
and Hesperornis were large flightless aquatic birds suited for diving. Ichthyornis was a seabird that resembled the gulls and petrels of today. Both probably
Paleobiota of the Niobrara Formation
Paleobiota_of_the_Niobrara_Formation
2026 American documentary series
from Ichthyornis. Out to sea, a pregnant pliosaur (Brachauchenius) shoos away a shark investigating ammonites. Portunatasaurus pester Ichthyornis in a
Surviving_Earth
Genus of alvarezsaurid dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Jaculinykus
Extinct bird genus
Burnham, David; Field, Daniel J. (2022-12-16). "Forty new specimens of Ichthyornis provide unprecedented insight into the postcranial morphology of crownward
Khinganornis
Birds living in the maritime environment
Gregory, Joseph T. (1952). "The jaws of the Cretaceous toothed birds, Ichthyornis and Hesperornis" (PDF). Condor. 54 (2): 73–88. Bibcode:1952Condo..54
Seabird
Dinosaur genus from the Late Cretaceous period
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Therizinosaurus
Species of bird
Julia A. (2004): Morphology, Phylogenetic Taxonomy, and Systematics of Ichthyornis and Apatornis (Avialae: Ornithurae). Bulletin of the American Museum
Sharp-tailed_grouse
Extinct genus of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Rahonavis
Extinct order of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Yanornithiformes
Genus of therizinosaurid dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Duonychus
Extinct genus of birds
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Dromornis
Extinct genus of reptiles
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Enigmosaurus
Extinct genus of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Epidexipteryx
Extinct clade of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Deinonychosauria
Genus of alvarezsaurid dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Manipulonyx
Extinct genus of marine squamate reptiles
Toxochelys (correlated with ocean temperatures) and warm-blooded seabird Ichthyornis from the Mooreville Chalk as a proxy. Analyzing the isotope levels of
Tylosaurus
Genus of extinct avialan
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Baminornis
Extinct genus of birds
(1998). "Bone microstructure of the diving Hesperornis and the volant Ichthyornis from the Niobrara Chalk of western Kansas". Cretaceous Research. 19 (2):
Polarornis
1962 classification system
Subclass 2. Neornithes Superorder 1. †Odontognathae (e.g., †Hesperornis, †Ichthyornis) Superorder 2. Palaeognathae [ratites] (e.g., Struthio, Rhea, Dromiceius
Taxonomy of the vertebrates (Young, 1962)
Taxonomy_of_the_vertebrates_(Young,_1962)
Extinct family of dinosaurs
Jianchangornis Songlingornithidae Songlingornis Yixianornis Piscivoravis Yanornis Gansus Apsaravis Hesperornithes Ichthyornis Neornithes (modern birds)
Songlingornithidae
Extinct family of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Anchiornithidae
Extinct genus of birds
Songlingornis linghensis Yixianornis grabaui Piscivoravis Yanornis martini Gansus yumenensis Apsaravis ukhaana Ornithurae, inc. Ichthyornis and all modern birds
Archaeornithura
"big-mouthed bellydragger" (Deinosuchus), while Ichy is a male "sharp beak" (Ichthyornis). They pursue Littlefoot and his friends throughout the film, but often
List of The Land Before Time characters
List_of_The_Land_Before_Time_characters
Extinct genus of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Aurornis
Extinct genus of reptiles
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Albinykus
Extinct genus of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Jeholornis
Extinct genus of dinosaurs
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Mononykus
Genus of maniraptoran dinosaur
†Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes Baptornis Brodavis Chupkaornis Enaliornis Judinornis
Migmanychion
†Ichthyodectes ctenodon – or unidentified comparable form †Ichthyornis – type locality for genus †Ichthyornis dispar – type locality for species †Inoceramus †Ischyrhiza
List of the prehistoric life of Alabama
List_of_the_prehistoric_life_of_Alabama
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ICHTHYORNIS
ICHTHYORNIS
ICHTHYORNIS
ICHTHYORNIS
ICHTHYORNIS
ICHTHYORNIS
ICHTHYORNIS
ICHTHYORNIS
ICHTHYORNIS
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