蜘蛛綱

出自維基百科,自由嘅百科全書

蜘蛛綱仲翻譯緊。歡迎你積極翻譯同修訂
en:Wikipedia:How to read a taxobox
How to read a taxobox
蜘蛛綱
"Arachnida" from Ernst Haeckel's Kunstformen der Natur, 1904
"Arachnida" from Ernst Haeckel's Kunstformen der Natur, 1904
物種分類
界 (Regnum): Animalia
門 (Phylum): Arthropoda
亞門(Subphylum): Chelicerata
綱 (Classis): Arachnida
Cuvier, 1812
Orders

蟎目 Acarina
鞭蛛目 Amblypygi
蜘蛛目 Araneae
盲蛛目 Opiliones
須腳目 Palpigradi
寄蟎目 Parasitiformes
擬蠍目 Pseudoscorpionida
節腹目 Ricinulei
疥瞞亞目 Sarcoptiformes
裂盾目 Schizomida
蠍形目 Scorpiones
避日目 Solifugae
恙蟎亞目 Trombidiformes
有鞭目 Uropygi

蜘蛛綱 (Arachnid) 又叫蛛形綱,節肢動物門中嘅其中一綱。大約有 65,000-73,000 個物種,包括了蜘蛛、蠍子、牛痺、蟎等等。

蜘蛛綱同昆蟲係好易分開,蜘蛛綱嘅物種有 8 隻(或 4 對)腳,昆蟲只得 6 隻(3 對)。

蜘蛛綱嘅品種大部份食肉,有啲蜘蛛綱嘅物種係有毒,有啲對人畜有害。

[編輯] 分類

  • Trigonotarbida - extinct
  • Amblypygi - "blunt rump" tailless whip scorpions with front legs modified into whip-like sensory structures as long as 25 cm or more
  • Araneae - spiders (40,000 species)
    • Mesothelae - very rare, basal spiders, with abdomen segmented and spinnerets median
    • Opisthothelae - spiders with abdomen unsegmented and spinnerets located posteriorly
      • Araneomorphae - most common spiders
      • Mygalomorphae - tarantulas and tarantula-like spiders
  • Phalangiotarbida - extinct
  • Opiliones - phalangids, harvestmen or daddy-long-legs (6,300 species)
  • Palpigradi - microwhip scorpions
  • Pseudoscorpionida - pseudoscorpions
  • Ricinulei - ricinuleids, hooded tickspiders
  • Schizomida - "split middle" whip scorpions with divided exoskeletons
  • Scorpiones - scorpions (2,000 species)
  • Solifugae - solpugids, windscorpions, sun spiders or camel spiders (900 species)
  • Haptopoda - extinct
  • Uropygi - whip scorpions, with first legs modified as whip-like sensory organs and with a long thin tail at end of abdomen (100 species)
  • Acarina - mites and ticks (30,000 species)
    • Acariformes
      • Sarcoptiformes
      • Trombidiformes
    • Opilioacariformes
    • Parasitiformes - holothyrans, ticks and mesostigmatic mites


蜘蛛綱大約有 110,000 品種,可能有好多未有人發現嘅。