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→Taxonomy
=== Taxonomy ===
=== Taxonomy ===
The conventional [[Linnaean taxonomy]] places birds in the Class Aves within the Subphylum [[Vertebrate|Vertebrata]]. [[Reptilia]], the conventional Class of reptiles, includes [[crocodile]]s and relatives, [[lizard]]s and [[snake]]s, [[turtle]]s, and the [[tuatara]]. However, birds and other, extinct [[dinosaur]]s should be grouped as [[archosaur]]s, along with the extant crocodiles and the extinct [[pterosaur]]s. Hence the conventional classification does not reflect the current state of evolutionary biology.
The conventional [[Linnaean taxonomy]] places birds in the Class Aves within the Subphylum [[Vertebrate|Vertebrata]]. [[Reptilia]], the conventional Class of reptiles, includes [[crocodile]]s and relatives, [[lizard]]s and [[snake]]s, [[turtle]]s, and the [[tuatara]]. However, birds and other, extinct [[dinosaur]]s should be grouped as archosaurs, along with the extant crocodiles and the extinct [[pterosaur]]s. Hence the conventional classification does not reflect the current state of evolutionary biology.
[[Zoology|Zoologists]] continue to use Class Aves as the taxonomic group of birds but recognise that it is a sub-group of the Superorder Dinosauria, which in turn is a member of the group Archosauria, including crocodiles and pterosaurs. The higher classification of reptiles (including birds) is not fully resolved but a common view is that current evidence indicates that the archosaurs (including birds) are a sister group of the lepidosaurs, which include lizards, snakes, the tuatara, and the extinct [[mosasaur]]s and [[plesiosaur]]s.<ref>Benton, 2004. Vertebrate Paleontology</ref>
[[Zoology|Zoologists]] continue to use Class Aves as the taxonomic group of birds but recognise that it is a sub-group of the Superorder Dinosauria, which in turn is a member of the group Archosauria, including crocodiles and pterosaurs. The higher classification of reptiles (including birds) is not fully resolved but a common view is that current evidence indicates that the archosaurs (including birds) are a sister group of the lepidosaurs, which include lizards, snakes, the tuatara, and the extinct [[mosasaur]]s and [[plesiosaur]]s.<ref>Benton, 2004. Vertebrate Paleontology</ref>