Prosimians are a type of primate that includes all living and extinct strepsirrhines ( lemurs , lorisoids , and adapiforms ) , as well as the haplorhine tarsiers and their extinct relatives , the omomyiforms .
Prosimians are a group of proto-primates . It includes all living and extinct strepsirrhines ( lemurs , lorises , and adapiforms ) , as well as the haplorhine tarsiers and their extinct relatives , the omomyiforms .