The different steps may contain scientific terms which may seem encouraged - I will recommend to search the word on google. Meanwhile, I am looking for pictures to illustrate each step - It is also the intention that these images will illustrate the foreign words. Can you help or do you maybe have access to such images, then I would be very happy to hear from you. Contact me here
- - Four pairs of legs - go to 2
- More than four pairs of legs - go to 6 - - Abdomen with distinct segments - go to 3
- Abdomen without distinct segments - go to 5 - - Conspicuous "pincers" (pedipalps) in front of shorter legs - go to 4
- Without "pincers," long and slender legs =Opiliones (Daddy-Longlegs) - - Fairly large, the abdomen ends in a stinger =Scorpiones (Scorpions)
- Small, the abdomen does not end in a stinger = Pseudoscorpiones (Pseudoscorpions) - - Body clearly divided into two main parts (cephalothorax and abdomen) =Araneae (Spiders)
- Oval-shaped body not divided into two main parts
=Acari (Mites & Ticks) - - Seven pairs of tiny legs, some roll up into balls
=Isopoda (Pillbugs, sowbugs)
- More than seven pairs of legs, they don't roll up into balls - go to 7 - - Tiny bodies, 10 - 12 pairs of legs =Symphyla (Pseudocentipedes)
- Bodies often fairly large, with >15 pairs of legs - go to 8 - - Flattened bodies, with one pair of legs attached to each body segment =Chilopoda (Centipedes)
- Bodies usually tubelike, with two pairs of legs attached to each body segment =Diplopoda (Millipedes)
From www.amnh.org