What is the difference between an arthropod an anthropoid?

An arthropod is an invertebrate that has an exoskeleton (external skeleton), a segmented body, and jointed attachments called appendages and include the insects, arachnids, crustaceans, and others. An anthropoid is a primate, specifically the larger of the two primate suborders, usually known as Simians, such as Monkeys, Baboons, Orangutans, Gorillas, Chimpanzees, and of course Humans.