Talìa la surgenti di Arachnida

{{Taxobox_begin | color = pink | name = Arachnida}}
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{{Taxobox_regnum_entry | taxon = [[Animalia]]}}
{{Taxobox_phylum_entry | taxon = [[Arthropoda]]}}
{{Taxobox_subphylum_entry | taxon = [[Chelicerata]]}}
{{Taxobox_classis_entry | taxon = '''Arachnida'''}} 
'''Ordini:'''<br />
[[Mite|Acarina]]<br />
[[Amblypygid|Amblypygi]]<br />
[[Araneae]]<br />
[[Opiliones]]<br />
[[Palpigradi]]<br />
[[Pseudoscorpionida]]<br />
[[Ricinulei]]<br />
[[Schizomid]]a<br />
[[Scorpion]]es<br />
[[Solifugae]]<br />
[[Uropygid|Uropygi]]<br />
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L''''arachnida''' è na classi d'[[armali]] [[nvirtibratu|nvirtibrati]] ntô suttafilu [[Chelicerata]] dû filu [[artropoda]]. L'aracinida vennu chiamati pû pirsunaggiu [[Mituluggia grecu|mitulòggicu]] [[Arachne]].

Cci campanu supratuttu suprâ (o ntrâ) terra e s'attrovanu tra 65.000 - 73.000 speci includennu li [[taràntula|taràntuli]], [[scurpiuni]], e autri armali simili. Si pò distinguiri facili tra l'aracnida e li [[nsetti]] pû fattu ca nn'hannu ottu jammi mmeci di sei. 

L'arachnida sunnu supratuttu [[carnazzeri]], mancianu li corpi dî [[nsetti]] e autri armali nichi. Tanti hannu lu [[vilenu]] - ammazzanu li sò preda e nimmici. Autri fannu li parasiti chi si pòrtanu cu iddi stissi li malittii. L'aracnida nurmalmenti si fannu l'ova, chi si gràpinu chî adulti immaturi.

== Òrdini ==
* [[Amblypygid|Amblypygi]] - "Blunt rump" tailless whip scorpions with front legs modified into whip-like sensory structures as long as 25 cm or more
* [[Araneae]] - [[Taràntula (Araneae)|Taràntuli]] (40,000 speci)
* [[Opiliones]] - Phalangids, harvestmen or daddy longlegs (4,500 species)
* [[Palpigradi]] - Microwhip scorpions
* [[Pseudoscorpionida]] - Pseudoscorpions
* [[Ricinulei]] - Ricinuleids, [[Hooded tickspider]]s
* [[Schizomid]]a - "Split middle" whip scorpions with divided exoskeletons
* [[Scorpiones]] - Scorpions (2,000 species)
* [[Solifugae]] - Solipugids; [[windscorpion]]s, [[sun spider]]s or camel spiders (900 species)
* [[Uropygid|Uropygi]] - whip scorpions, with first legs modified as whip-like sensory organs and with a long thin tail at end of abdomen (60 species)
* [[Acarina]] - Mites and [[tick]]s (30,000 species)
** [[Acariformes]]
*** [[Sarcoptiformes]]
*** [[Trombidiformes]]
** [[Opilioacariformes]]
** [[Parasitiformes]] - [[Holothyran]]s, [[tick]]s and [[mesostigmatic mite]]s


== Liami esterni ==
* [https://web.archive.org/web/20050407175857/http://www.americanarachnology.org/gallery_entrance.html Arachnid Photo Gallery] (The American Arachnological Society)
* [http://www.arachnology.org International Society for Arachnology]

[[Catigurìa:Arthropoda]]