原蜥形目
Multi tool use
原蜥形目
化石時期： 晚二疊紀到晚三疊紀
PreЄ
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Pg
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巨踝足龍，一種歐洲原蜥形類
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保护状况
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化石
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科學分類
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界：
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动物界 Animalia
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門：
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脊索动物门 Chordata
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綱：
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蜥形綱 Sauropsida
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亞綱：
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雙孔亞綱 Diapsida
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下綱：
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主龍形下綱 Archosauromorpha
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目：
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原蜥形目 Prolacertiformes
Camp, 1945
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科
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原龍科 Protorosauridae
原蜥科 Prolacertidae
沙洛維龍科 Sharovipterygidae
長頸龍科 Tanystrophidae
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原蜥形目（Prolacertiformes）又名原龍類（Protorosauria），屬於雙孔亞綱的主龍形下綱，生存在二疊紀與三疊紀。許多物種已演化成樹棲生活，包括有三角形翼的滑翔動物沙洛維龍；其他如長頸龍，擁有長而疆直的頸部，可能用來捕抓魚類，可能是部分水生動物。
其他瞭解不多的爬行動物，有時會被研究人員歸類到原蜥形目，包括：鐮龍科（Drepanosauridae）[1]、長鱗龍[2]、翼龍目[2]。在2004年，菲力·森特（Phil Senter）將奇特的樹棲動物－鐮龍科、長鱗龍，重新歸類到鳥首龍目（Avicephala）[3]，此目為更原始的雙孔動物，但有些研究人員仍將這些動物歸類於原蜥形目。
分類
主龍形下綱 Archosauromorpha
原蜥形目 PROLACERTIFORMES
格威內德龍 Gwyneddosaurus
原龍科 Protorosauridae
馬拉利蜥 Malerisaurus
原龍 Protorosaurus
原蜥科 Prolacertidae
- Kadimakara
- Pamelaria
原蜥 Prolacerta
- Jesairosaurus
巨踝足龍 Macrocnemus
倫巴底蜥 Langobardisaurus
- Boreopricea
- Cosesaurus
沙洛維龍科 Sharovipterygidae
長頸龍科 Tanystrophidae
塔尼龍 Tanytrachelos
長頸龍 Tanystropheus
恐頭龍 Dinocephalosaurus
參考資料
^ Renesto, S. (1994). "Megalancosaurus, a possibly arboreal archosauromorph (Reptilia) from the Upper Triassic of northern Italy." Journal of Vertebrate Paleontology, 14(1): 38-52.
^ 2.02.1 Peters, D. (2000). "A Redescription of Four Prolacertiform Genera and Implications for Pterosaur Phylogenesis." Rivista Italiana di Paleontologia e Stratigrafia, 106(3): 293–336.
^ Senter, P. (2004). "Phylogeny of Drepanosauridae (Reptilia: Diapsida)". Journal of Systematic Palaeontology 2 (3): 257–268. doi:10.1017/S1477201904001427.
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