Introductory World of Arachnids

How to read World of Arachnids?

• All the pages are located within the pictures on both sides of the page. The right side has the images of a specific arachnids' Family or Order, The left side has the information of Anatomy and Physiology of Arachnids, Bites and Stings, and Arachnids Useful External Links. 
• Bites and Stings page may be not suitable for all readers due to the pictures of wounds. Therefore, a password has been set up for those readers who want to get access, which is arachnid8legs 
• All information are from trustful websites and articles. 
• This page is written based on personal interest. There are some information and taxonomy may be out-of-date, so please double check them before citing. 

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TAXONOMY

Phylum Arthropoda 
  Subphylum Chelicerata
     Class Arachnida (spider-like, 8 legs)
       Superorder Parasitiformes (ticks)
       Superorder Acariformes (mites)
        Order Scorpionida
         Family Scorpionidae large claws scorpions 
         Family Buthidae Bark scorpions, fat-tailed scorpions 
         Family Chactidae 
         Family Diplocentridae
         Family Iuridae 
         Family Superstitioniidae 
         Family Vaejovidae 
        Order Pseudoscorpions
        Order Opiliones (Harvestmen)
        Order Solifugae (Camel spider)
        Order Amblypygi (Whip spiders) 
        Order Uropygi (Whip scorpions/ vinegaroons)  
        Order Schizomida (Short-tailed whip scorpions)
        Order Palpigradi (Micro whip scorpions)
        Order Araneae Spiders 
         Family Theraphosidae Tarantula
         Family Ctenizidae Trapdoor Spiders
         Family Dipluridae Funnel web Tarantulas
         Family Araneidae Orb Weavers
         Family Theridiidae Cob Web Spiders, Black Widow
         Family Pholcidae  Cellar Spiders
         Family Linyphiidae Cup and Doily Spiders
         Family Tetragnathidae Long-jawed Spiders
         Family Sicariidae Recluse Spiders
         Family Lycosidae Wolf Spiders
         Family Oxiopidae Lynx Spiders
         Family Thomisidae Crab Spiders
         Family Salticidae Jumping Spiders

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SO-FAR-COLLECTED SPECIES

Family Areaneidae
  Aranea diadematus 

Family Oxiopidae 
  Peucetia viridans 

Family Pholcidae
  Pholcus phalangioides

Family Tetragnathidae 
  Leucauge venusta 

Family Theraphosidae 
  Grammostola rosea 

Family Theridiidae 
  Steatoda grossa 
  Achaearanea tepidariorum 
  Latrodectus hesperus 
  Latrodectus mactans 
  
Family Salticidae 
  Phidippus californicus 
  Platycryptus undatus