Prosimians are a type of primate that includes lemurs, lorises, bushbabies, and tarsiers, but not simians, e.g., monkeys and apes (including humans).
Prosimians are a type of primate that includes lemurs, lorises, bushbabies, and tarsiers. They are considered to have characteristics that are more "primitive" than those of monkeys and apes (including humans).