Why is a scorpion considered an arachnid?

Taxonomy (how animals are classified) has all sorts of rules in regards how things get classified, starting with the most generic and gradually getting more and more specific. read more

So, in short, arachnids are a class of animals that encompasses a huge range of different species. There are an estimated 100,000+ species of arachnids, more than the total estimated number of vertebrates. Naturally, there's going to be a wide range of variation in arachnids. read more

Scorpions are considered arachnids. Arachnids are a very diverse group consisting of spiders, scorpions, ticks, mites, harvestmen, and more. They all have eight legs and lack antennae. They also have only two body segments: a cephalothorax and an abdomen. read more

Scorpions and insects share similarities but possess clear differences. Both belong to the group of animals known as arthropods which have an exoskeleton like spiders, mites, ticks, centipedes, millipedes and crustaceans to name a few. read more