Spider
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| Spiders (order Araneae) are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other orders of organisms. Spiders are found worldwide on every continent except for Antarctica, and have become established in nearly every habitat with the exception of air and sea colonization. As of 2008, at least 43,678 spider species, and 109 families have been recorded by taxonomists; however, there has been dissension within the scientific community as to how all these families should be classified, as evidenced by the over 20 different classifications that have been proposed since 1900.
For more information, visit the Wikipedia entry Get back to Arachnid | |||
| Crab spiders | Great raft spider | Green lynx spider | Common house spider |
| Huntsman spiders | Japanese sac spider | Jumping spider | Kimura spider |
| Ladybird spider | Megahexura fulva | Orb-weaver spiders | Orchard spider |
| Red legged purseweb spider | Rufous net-casting spider | Spitting spider | Sydney funnel-web spider |
| Tarantulas | Trapdoor spider | Widow spiders | Wolf spiders |
