Original sentence: Negroid describes the racial classification of humans from sub-Sahara Africa and was one of a varying number of races defined by various racial theories
Edited sentence: Also, it is questioned whether race is even a valid concept; see Validity of human races for in-depth discussion.However, this was not be established since the hair form could not be identified as negroid ( This and a number of other impositions would help contradict physical anthropology as a valid from of science ).It is important to note that Americian racial classification is not based on skull shape as Coon himself may indicate.Negroid describes the racial classification of humans from  Saharan and sub-Sahara Africa and was one of a varying number of races defined by various racial theories.The Badarian skulls are more prognathous than those of their successors, and have higher nasal indices, while the prognathism and nose form would suggest greater negroid tendency.The [pre-Dynastic] Badarian type represents a small branch of the Mediterranean racial group.The terms Negroid, Caucasoid, Mongoloid, etc.are now controversial in both technical and nontechnical contexts and are likely to give offense no matter how they are used