Le Arachnidos es un classe (nomine scientific Arachnida) de animales invertebrate con gambas articulate (arthropodos). Omne arachnidos ha octo gambas, ben que le par anterior de gambas in alicun species se ha convertite in un function sensorial, e in altere species, differente appendices pote crescer bastante grande de haber le apparentia de pares supernumerari de gambas. Le termino es derivate ab le parola grec αραχνη (aráchne), que significa "aranea".[1]
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 "Arachnida" ab le Kunstformen der Natur de Ernst Haeckel, 1904
 Aranea (Hadronyche modesta) | ||||||||
| Classification scientific | ||||||||
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| Arachnida Cuvier, 1812 | ||||||||
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Quasi tote le arachnidos ancora existente es terrestre. Totevia, alicunes habita ambientes de aqua dulce e, excepte le zona pelagic, ambientes marin anque. Illos comprende plus de 100.000 species nominate, includente araneas, scorpiones, opiliones, ricinos, acaros, e solifugos.[2]
Classification
Supertaxones
- phylo Arthropoda
- subphylo Chelicerata
Subtaxones
Ordines:
- Acarina
- Amblypygi
- Araneae
- Opiliones
- Palpigradi
- Pseudoscorpiones
- Ricinulei
- Schizomida
- Scorpiones
- Solifugae
- Thelyphonida
Vide etiam
- Arachnologia
- Arachnophobia
Referentias
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