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爬蟲類

How to read a taxoboxWikipedia:點樣睇生物分類框
How to read a taxobox
爬蟲類 / 爬行類
化石年代:石炭紀 - 而家
A 喙頭蜥, Sphenodon punctatus
A 喙頭蜥, Sphenodon punctatus
物種分類
動物界
脊索動物門
亞門(Subphylum): 脊索動物亞門
Sauropsida*
Goodrich, 1916
Subclasses
  • Anapsida
  • Diapsida
別名
  • Reptilia Laurenti, 1768

爬蟲類(正寫爬行類)係脊索動物之中嘅爬蟲綱(又叫蜥形綱)嘅所有物種嘅通稱,係世界上最古老嘅陸上脊椎動物。原始嘅品種大約喺3億4000萬年前就開始出現,比起嘅200萬年早好多。佢哋同一樣,都係冷血動物。有啲品種食肉,有啲品種食菜。大多數卵生或卵胎生,生啲有革質外皮嘅蛋,由蛋發育成幼仔唔需要經過幼體期。表皮有鱗片,可以阻止體液流失。

爬蟲類而家有至少6000恐龍死咗之後,就剩低4個鱷目、喙頭目、有鱗目龜鱉目。除咗海龜返去海之外,其他都係陸生。

資料來源

[編輯]
  • 《朗文英漢生物圖解詞典》,ISBN:962-359-039-3
  • 屯門公園爬蟲館嘅小冊子
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爬蟲類
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