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gptkbp:instanceOf
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gptkb:genus
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gptkbp:class
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gptkb:Aves
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gptkbp:containsFossilsOf
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gptkb:Yale_Peabody_Museum
gptkb:University_of_Kansas_Natural_History_Museum
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gptkbp:diet
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gptkb:carnivore
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gptkbp:family
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gptkb:Ichthyornithidae
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gptkbp:firstDescribed
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gptkb:Othniel_Charles_Marsh
1872
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gptkbp:fossil
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partial skeletons
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gptkbp:fossilRange
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gptkb:Late_Cretaceous
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gptkbp:foundIn
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gptkb:Alberta
gptkb:Kansas
gptkb:North_America
gptkb:Texas
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gptkbp:habitat
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coastal marine environments
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gptkbp:holotype
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gptkb:Yale_Peabody_Museum
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|
https://www.w3.org/2000/01/rdf-schema#label
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Ichthyornis
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gptkbp:importantFor
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evidence for evolution of birds from reptiles
transitional fossil
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gptkbp:kingdom
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gptkb:Animalia
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gptkbp:notableFeature
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sharp teeth
short tail
keeled sternum
teeth in jaws
large braincase
long wings
pointed beak
asymmetrical flight feathers
beak with teeth
flight-capable
modern bird-like wings
modern-like shoulder girdle
no teeth in premaxilla in adults
palate similar to modern birds
relatively short legs
teeth lost in modern birds
teeth only in maxilla and dentary
teeth set in grooves
toothed beak
well-developed pygostyle
well-developed wings
well-developed wishbone (furcula)
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gptkbp:notablePublication
|
Marsh, O.C. 1872. Preliminary description of new Tertiary and Cretaceous birds
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gptkbp:order
|
gptkb:Ichthyornithiformes
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gptkbp:phylum
|
gptkb:Chordata
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gptkbp:predators
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gptkb:fish
marine invertebrates
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gptkbp:relatedTo
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gptkb:Hesperornis
modern birds
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gptkbp:residesIn
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Cenomanian to Campanian
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gptkbp:size
|
about size of a pigeon
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gptkbp:status
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extinct
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gptkbp:taxonRank
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gptkb:genus
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gptkbp:typeSpecies
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gptkb:Ichthyornis_dispar
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gptkbp:bfsParent
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gptkb:Theropod_dinosaurs
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gptkbp:bfsLayer
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5
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