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51 relations: Acromion, Alula, Aspect ratio, Bird, Bone morphogenetic protein 4, China, Confuciusornis, Confuciusornithidae, Coracoid, Cretaceous, Early Cretaceous, Enantiornithes, Euornithes, Extinction, Feather, Femur, Fibula, Frontal bone, Genus, Glossary of gene expression terms, Harris lines, Holotype, Huajiying Formation, Hue, Humerus, Ilium (bone), Institute of Vertebrate Paleontology and Paleoanthropology, Ischium, Mandible, Melanosome, Omnivoropterygidae, Ornithothoraces, Oviraptorosauria, Pengornithidae, Pennaceous feather, Phylogenetics, Premaxilla, Protopteryx, Pubis (bone), Pygostyle, Rachis, Scanning electron microscope, Scapula, Similicaudipteryx, Sonic hedgehog, Specific name (zoology), Sternum, Tarsometatarsus, Tibiotarsus, Xiphoid process, ..., 2017 in paleontology. Expand index (1 more) »
Acromion
In human anatomy, the acromion (from Greek: akros, "highest", ōmos, "shoulder", plural: acromia) is a bony process on the scapula (shoulder blade).
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Alula
The alula, or bastard wing, (plural alulae) is a small projection on the anterior edge of the wing of modern birds and a few non-avian dinosaurs.
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Aspect ratio
The aspect ratio of a geometric shape is the ratio of its sizes in different dimensions.
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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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Bone morphogenetic protein 4
Bone morphogenetic protein 4 is a protein that in humans is encoded by BMP4 gene.
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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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Confuciusornis
Confuciusornis is a genus of primitive crow-sized birds from the Early Cretaceous Yixian and Jiufotang Formations of China, dating from 125 to 120 million years ago.
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Confuciusornithidae
Confuciusornithidae is an extinct family of early birds known from the Early Cretaceous, found in northern China.
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Coracoid
A coracoid is a paired bone which is part of the shoulder assembly in all vertebrates except therian mammals (therians.
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Cretaceous
The Cretaceous is a geologic period and system that spans 79 million years from the end of the Jurassic Period million years ago (mya) to the beginning of the Paleogene Period mya.
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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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Euornithes
Euornithes (from Greek ευόρνιθες meaning "true birds") is a natural group which includes the most recent common ancestor of all avialans closer to modern birds than to Sinornis.
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Extinction
In biology, extinction is the termination of an organism or of a group of organisms (taxon), normally a species.
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Feather
Feathers are epidermal growths that form the distinctive outer covering, or plumage, on birds and other, extinct species' of dinosaurs.
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Femur
The femur (pl. femurs or femora) or thigh bone, is the most proximal (closest to the hip joint) bone of the leg in tetrapod vertebrates capable of walking or jumping, such as most land mammals, birds, many reptiles including lizards, and amphibians such as frogs.
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Fibula
The fibula or calf bone is a leg bone located on the lateral side of the tibia, with which it is connected above and below.
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Frontal bone
The frontal bone is a bone in the human skull.
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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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Glossary of gene expression terms
No description.
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Harris lines
Harris lines, also known as growth arrest lines, are lines of increased bone density that represent the position of the growth plate at the time of insult to the organism and formed on long bones due to growth arrest.
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Holotype
A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described.
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Huajiying Formation
The Huajiying Formation is a geological formation in Hebei, People's Republic of China.
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Hue
Hue is one of the main properties (called color appearance parameters) of a color, defined technically (in the CIECAM02 model), as "the degree to which a stimulus can be described as similar to or different from stimuli that are described as red, green, blue, and yellow", (which in certain theories of color vision are called unique hues).
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Humerus
The humerus (plural: humeri) is a long bone in the arm or forelimb that runs from the shoulder to the elbow.
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Ilium (bone)
The ilium (plural ilia) is the uppermost and largest part of the hip bone, and appears in most vertebrates including mammals and birds, but not bony fish.
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Institute of Vertebrate Paleontology and Paleoanthropology
The Institute of Vertebrate Paleontology and Paleoanthropology (abbreviated to IVPP) of China is a prominent research institution and collections repository for fossils, including many dinosaur and pterosaur specimens (many from the Yixian Formation).
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Ischium
The ischium forms the lower and back part of the hip bone (os coxae).
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Mandible
The mandible, lower jaw or jawbone is the largest, strongest and lowest bone in the human face.
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Melanosome
A melanosome is an organelle found in animal cells and is the site for synthesis, storage and transport of melanin, the most common light-absorbing pigment found in the animal kingdom.
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Omnivoropterygidae
Omnivoropterygidae (meaning "omnivorous wings") is a family of primitive avialans known exclusively from the Jiufotang Formation of China.
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Ornithothoraces
Ornithothoraces is a group of avialans that includes all enantiornithes ("opposite birds") and the euornithes ("true birds"), which includes modern birds and their closest ancestors.
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Oviraptorosauria
Oviraptorosaurs ("egg thief lizards") are a group of feathered maniraptoran dinosaurs from the Cretaceous Period of what are now Asia and North America.
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Pengornithidae
Pengornithidae is a group of early enantiornithines from the early Cretaceous Period of China.
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Pennaceous feather
The pennaceous feather is a type of feather present in most modern birds and in some other species of maniraptoriform dinosaurs.
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Phylogenetics
In biology, phylogenetics (Greek: φυλή, φῦλον – phylé, phylon.
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Premaxilla
The premaxilla (or praemaxilla) is one of a pair of small cranial bones at the very tip of the upper jaw of many animals, usually, but not always, bearing teeth.
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Protopteryx
Protopteryx is an extinct genus of bird and the most primitive enantiornithean, from the Cretaceous period.
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Pubis (bone)
In vertebrates, the pubic bone is the ventral and anterior of the three principal bones composing either half of the pelvis.
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Pygostyle
Pygostyle describes a skeletal condition in which the final few caudal vertebrae are fused into a single ossification, supporting the tail feathers and musculature.
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Rachis
Rachis is a biological term for a main axis or "shaft" (from the Greek ράχις, backbone, spine).
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Scanning electron microscope
A scanning electron microscope (SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons.
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Scapula
In anatomy, the scapula (plural scapulae or scapulas; also known as shoulder bone, shoulder blade or wing bone) is the bone that connects the humerus (upper arm bone) with the clavicle (collar bone).
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Similicaudipteryx
Similicaudipteryx, meaning "similar to Caudipteryx" (which itself means "tail feather"), is a genus of theropod dinosaur of the family Caudipteridae.
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Sonic hedgehog
Sonic hedgehog is a protein that in humans is encoded by the SHH ("sonic hedgehog") gene.
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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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Sternum
The sternum or breastbone is a long flat bone located in the center of the chest.
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Tarsometatarsus
The tarsometatarsus is a bone that is only found in the lower leg of birds and certain non-avian dinosaurs.
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Tibiotarsus
The tibiotarsus is the large bone between the femur and the tarsometatarsus in the leg of a bird.
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Xiphoid process
The xiphoid process, or xiphisternum or metasternum, is a small cartilaginous process (extension) of the lower (inferior) part of the sternum, which is usually ossified in the adult human.
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2017 in paleontology
No description.
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References
[1] https://en.wikipedia.org/wiki/Cruralispennia
