Have autorized comment on " negroid " characteristics ?
As dark skin is also relatively common in human groups that have historically not been defined as " Negroid " , including many populations in both Africa and Asia , it is only when present with other typical Negroid physical traits such as broad facial features , Negroid cranial and dental characteristics , prognathism , afro-textured hair and neoteny , that it has been used in Negroid classification .