Scorpion
Wiki, Facts

 Scorpion facts

• They have eight legs and are easily recognized by the pair of grasping pedipalps and the narrow, segmented tail, often carried in a characteristic forward curve over the back, ending with a venomous stinger
• Scorpions range in size from 9 mm / 0
• 3 in
• (Typhlochactas mitchelli) to 23 cm / 9 in
• (Heterometrus swammerdami)
• The evolutionary history of scorpions goes back to the Silurian era 430 million years ago
• They have adapted to a wide range of environmental conditions and can now be found on all continents except Antarctica
• Scorpions number about 1750 described species, with 13 extant families recognised to date
• Only about 25 of these species are known to have venom capable of killing a human being
• The taxonomy has undergone changes and is likely to change further, as genetic studies are bringing forth new information