Arachnid Families represents a classification within the animal kingdom that comprises various types of arachnids, a group distinct from primates and monkeys. This category specifically focuses on the diverse families within the Arachnida class, including spiders, scorpions, mites, and ticks, among others. Despite the mention of monkeys and primates, these mammals are not included in this category as they belong to a different class within the animal kingdom.