Arachnid
Arachnids are a Class of Arthropods. The class includes:
- spiders
- mites
- ticks
- scorpions
- pseudoscorpions
- harvestmen
Arachnid bodies are divided into two sections, the head or cephalothorax and the abdomen or opisthosoma.


A photograph of a garden spider wrapping prey caught in its web with silk.
Related terms
- Abdomen
- Acari
- Book lung
- Cephalothorax
- Chelicerae
- Chelicerata
- Daddy long legs
- Fang
- Harvest mite
- Hydrostatic skeleton
- Invertebrate
- Minibeast
- Mite
- Opiliones
- Pedipalps
- Pseudoscorpion
- Questing
- Scorpion
- Silk
- Spermatophore
- Spider
- Spinneret
- Sting
- Tick
- Urticating hairs
Related groups of terms
Related pages on this web site
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