👉 Arachnid is a type of invertebrate that belongs to the class Arachnida, which includes spiders and scorpions. They are known for their distinctive segmented body with eight segments (legs, abdomen, thorax, cephalothorax, and caudal fin). Arachnids have no backbone or legs, but they rely on their appendages, such as stingers, to move and attack prey.
Arachnidan