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20 relations: Bird, China, Clade, Early Cretaceous, Enantiornithes, Fossil, Genus, Liaoning, Lingyuan, Longipterygidae, Longipteryx, Longirostravis, Mesozoic, Ornithurae, Rapaxavis, Species, Specific name (zoology), Yixian Formation, Yixianornis, 2009 in paleontology.
Bird
Birds, also known as Aves, are a group of endothermic vertebrates, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
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China
China, officially the People's Republic of China (PRC), is a unitary one-party sovereign state in East Asia and the world's most populous country, with a population of around /1e9 round 3 billion.
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Clade
A clade (from κλάδος, klados, "branch"), also known as monophyletic group, is a group of organisms that consists of a common ancestor and all its lineal descendants, and represents a single "branch" on the "tree of life".
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Early Cretaceous
The Early Cretaceous/Middle Cretaceous (geochronological name) or the Lower Cretaceous (chronostratigraphic name), is the earlier or lower of the two major divisions of the Cretaceous.
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Enantiornithes
Enantiornithes is a group of extinct avialans ("birds" in the broad sense), the most abundant and diverse group known from the Mesozoic era.
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Fossil
A fossil (from Classical Latin fossilis; literally, "obtained by digging") is any preserved remains, impression, or trace of any once-living thing from a past geological age.
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Genus
A genus (genera) is a taxonomic rank used in the biological classification of living and fossil organisms, as well as viruses, in biology.
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Liaoning
Liaoning is a province of China, located in the northeast of the country.
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Lingyuan
Lingyuan is a city in the west of Liaoning province in Northeast China, bordering Hebei province and Inner Mongolia.
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Longipterygidae
Longipterygidae is a family of early enantiornithean birds from the early Cretaceous Period of China.
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Longipteryx
Longipteryx is a genus of prehistoric bird which lived during the Early Cretaceous (Aptian stage, 120.3 million years ago).
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Longirostravis
Longirostravis is a genus of enantiornithean birds which existed during the early Cretaceous period (around 125 million years ago) and is known from fossils found in the middle or upper Yixian Formation in Yixian County, People's Republic of China.
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Mesozoic
The Mesozoic Era is an interval of geological time from about.
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Ornithurae
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.
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Rapaxavis
Rapaxavis a genus of enantiornithean bird.
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Species
In biology, a species is the basic unit of classification and a taxonomic rank, as well as a unit of biodiversity, but it has proven difficult to find a satisfactory definition.
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Specific name (zoology)
In zoological nomenclature, the specific name (also specific epithet or species epithet) is the second part (the second name) within the scientific name of a species (a binomen).
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Yixian Formation
The Yixian Formation is a geological formation in Jinzhou, Liaoning, People's Republic of China, that spans 11 million years during the early Cretaceous period.
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Yixianornis
Yixianornis (meaning "Yixian Formation bird") is a bird genus from the early Cretaceous period.
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2009 in paleontology
Three new species of extinct Octopoda discovered in 2009.
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