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Information about Protarchaeopteryx

Protarchaeopteryx
Fossil range: Early Cretaceous
Conservation status
Extinct (fossil)
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Sauropsida
Superorder:Dinosauria
Order:Saurischia
Suborder:Theropoda
Infraorder:Oviraptorosauria
Genus:Protarchaeopteryx
Species:P. robusta
Binomial name
Protarchaeopteryx robusta
Q. Ji and S. Ji, 1997


Protarchaeopteryx was a turkey-sized feathered dinosaur from China. Well-developed, vaned feathers extended from the short, stubby tail; the hands were long and slender, and had three-fingered clawed hands. It appears to be one of the most primitive members of the Oviraptorosauria and the large incisor teeth suggest that it is closely related to, or synonymous with, Incisivosaurus. It was probably an herbivore or omnivore, but its hands are very similar to small carnivorous dinosaurs.

Protarchaeopteryx, known from the Yixian Formation of China, lived in the Aptian age of the Early Cretaceous. It is probably more primitive than Archaeopteryx, making it a non-avian theropod dinosaur rather than a true avian bird. It might have been larger than Archaeopteryx. Protarchaeopteryx had symmetrical feathers on its arms. Since modern birds that have symmetrical feathers are flightless, and the skeletal structure of Protarchaeopteryx would not support flapping flight, it is assumed that Protarchaeopteryx was flightless as well.[1]

References

1. ^ Ji, Q., and Ji, S. (1997). "A Chinese archaeopterygian, Protarchaeopteryx gen. nov." Geological Science and Technology (Di Zhi Ke Ji), 238: 38-41. Translated By Will Downs Bilby Research Center Northern Arizona University January, 2001
The Early Cretaceous (timestratigraphic name) or the Lower Cretaceous (logstratigraphic name), is the earlier of the two major divisions of the Cretaceous Period. It began about 146 million years ago.
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conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. Many factors are taken into account when assessing the conservation status of a species: not simply the number remaining, but the
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For other uses of the term, see Fossil (disambiguation)


FOSSIL is a standard for allowing serial communication for telecommunications programs under the DOS operating system.
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Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Chordata
Bateson, 1885

Typical Classes

See below

Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Sauropsida*
Goodrich, 1916

Subclasses
  • Anapsida
  • Diapsida
Synonyms
  • Reptilia Laurenti, 1768
Reptiles are tetrapods and amniotes, animals whose embryos are surrounded by an amniotic membrane, and members of the class
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Dinosauria *
Owen, 1842

Orders & Suborders
  • Ornithischia
  • Cerapoda
  • Thyreophora
  • Saurischia

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Saurischia
Seeley, 1887

Suborders
  • Theropoda
  • Sauropodomorpha


Saurischia (from the Greek sauros (σαυρος) meaning 'lizard' and ischion (
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Theropoda
Marsh, 1881

Infraorders
  • Carnosauria
  • Ceratosauria
  • Deinonychosauria
  • Ornithomimosauria
  • Oviraptorosauria


Theropods ('beast feet') are a group of bipedal saurischian dinosaurs.
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Oviraptorosauria
Barsbold, 1976

Families
  • Avimimidae
  • Caudipteridae
  • Caenagnathidae
  • Oviraptoridae


Oviraptorosaurs
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binomial nomenclature is the formal system of naming species. The system is also called binominal nomenclature (particularly in zoological circles), binary nomenclature (particularly in botanical circles), or the binomial classification system.
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20th century - 21st century
1960s  1970s  1980s  - 1990s -  2000s  2010s  2020s
1994 1995 1996 - 1997 - 1998 1999 2000

Year 1997 (MCMXCVII
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Oviraptorosauria
Barsbold, 1976

Families
  • Avimimidae
  • Caudipteridae
  • Caenagnathidae
  • Oviraptoridae


Oviraptorosaurs
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Incisivosaurus

Species: I. gauthieri

Binomial name
Incisivosaurus gauthieri
Xu et al.
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The Yixian Formation is a geological formation in Liaoning, People's Republic of China, that stems from the early Cretaceous period. It is known for its fossils. It was initially recognized during the time the Japanese Empire controlled a large chunk of Manchuria (Northern China)
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Aptian stage is a faunal stage of the Early Cretaceous epoch in the geologic timescale, that extends from 125.0 ± 1.0 Ma to 112.0 ± 1.0 Ma (million years ago), approximately. The Aptian stage succeeds the Barremian stage and precedes the Albian stage, all in the same epoch.
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The Cretaceous Period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic Period (i.e. from 145.5 ± 4.0 million years ago (Ma)) to the beginning of the Paleocene epoch of the Tertiary Period (about 65.5 ± 0.3 Ma).
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Archaeopteryx
Meyer, 1861

Species

A. lithographica Meyer, 1861 (type)
Synonyms

See below Archaeopteryx (from Ancient Greek archaios
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