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Arachnida

Arachnida

(Science: zoology) One of the classes of arthropoda.

They have four pairs of legs, no antennae nor wings, a pair of mandibles, and one pair of maxillae or palpi. The head is usually consolidated with the thorax. The respiration is either by trancheae or by pulmonary sacs, or by both. The class includes three principal orders: araneina, or spiders; arthrogastra, including scorpions, etc.; and Acarina, or mites and ticks.

Origin: NL, fr. Gr. Spider.


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Re: Have you seen Arachnida with 6 legs?

Arachnids belonging to the orders Acari and Ricinulei do go through a hexapodal larval stage. However, all healthy non-mutant adult arachnids have 8 legs. http://a4.sphotos.ak.fbcdn.net/hphotos-ak-ash2/38737_450826890189_755040189_6521060_4006092_n.jpg Hexapodal larva of Rici...

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by Maxorz
Sat May 07, 2011 9:27 pm
 
Forum: Zoology Discussion
Topic: Have you seen Arachnida with 6 legs?
Replies: 7
Views: 4567

Re: Have you seen Arachnida with 6 legs?

I think it lost its leg by any accident or so one. because arachnida will be an arachnida if it has 8 legs.

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by anupmondol
Mon May 02, 2011 8:12 pm
 
Forum: Zoology Discussion
Topic: Have you seen Arachnida with 6 legs?
Replies: 7
Views: 4567

Have you seen Arachnida with 6 legs?

Yes arachnida have eıght leg maybe lost two leg

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by Profgen
Sun Feb 20, 2011 5:31 pm
 
Forum: Zoology Discussion
Topic: Have you seen Arachnida with 6 legs?
Replies: 7
Views: 4567

Have you seen Arachnida with 6 legs?

How do you know it is arachnida if u see it has only six leg?

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by magicsiew
Fri Dec 24, 2010 2:56 am
 
Forum: Zoology Discussion
Topic: Have you seen Arachnida with 6 legs?
Replies: 7
Views: 4567

Have you seen Arachnida with 6 legs?

I've seen that, but I thought that all arachnida has 8 legs... so, is that a new kind?

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by zuardzz
Thu Dec 23, 2010 6:46 am
 
Forum: Zoology Discussion
Topic: Have you seen Arachnida with 6 legs?
Replies: 7
Views: 4567
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