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Information about Pleurosaurus

Pleurosaurus
Fossil range: Late Jurassic to Early Cretaceous
Conservation status
Extinct (fossil)
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Sauropsida
Order:Sphenodontia
Family:Pleurosauridae
Genus:Pleurosaurus
Binomial name
Pleurosaurus goldfussi
Pleurosaurus is an extinct genus of diapsid reptile belonging to the order sphenodontia.

Pleurosaurus fossils were discovered in Germany. It is the only known aquatic sphenodont.

Its body was approximately 600 mm (2 ft) long, and elongated for hydrodynamic streamlining, with comparatively short limbs and a powerful tail, which was used for propulsion.

The only known living sphenodont is the tuatara of New Zealand
Late Jurassic (or Malm) Epoch of the Jurassic Period is the unit of geologic time from 161.2 ± 4.0 to 145.5 ± 4.0 million years ago, which is preserved in Upper Jurassic strata.
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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 ("lizard-face") is a group of amniotes that includes reptiles, dinosaurs, and birds. Among amniotes, sauropsida is distinguished from theropsida ("beast-face"), also called synapsids.

Taxonomy

Classification to order level, after Benton, 2004.
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Sphenodontia
Williston, 1925

Families
  • Gephyrosauridae
  • Pleurosauridae
  • Sphenodontidae
Sphenodontia is an order of lizard-like reptiles that includes only one living genus, the tuatara (Sphenodon).
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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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Diapsida
Osborn, 1903

Groups

See text

Diapsids ("two arches") are a group of tetrapod animals that developed two holes (temporal fenestra) in each side of their skulls, about 300 million years ago during the late Carboniferous period.
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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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Sphenodontia
Williston, 1925

Families
  • Gephyrosauridae
  • Pleurosauridae
  • Sphenodontidae
Sphenodontia is an order of lizard-like reptiles that includes only one living genus, the tuatara (Sphenodon).
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The term aquatic refers to water and can be either a noun or an adjective. Dictionary definitions do not specify what kind of water, although in both general use and in the sciences, the implication is often that of fresh water.
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Hydrodynamics, also known as liquid-dynamics in limited academic circles, (literally, "water motion") is fluid dynamics applied to liquids, such as water, alcohol, oil, and blood. However, this distinction from fluid dynamics as a whole is not always fully observed.
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Sphenodon
Gray, 1831

black: range (North Island, New Zealand)


Species

Sphenodon punctatus (Gray, 1842)
Sphenodon guntheri (Buller, 1877)
Sphenodon diversum
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Anthem
"God Defend New Zealand"
"God Save the Queen" 1


Capital Wellington

Largest city Auckland
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