, ▁stating , ▁" The ▁assemb lage ▁seems ▁clearly ▁to ▁be ▁H omo ▁but ▁cannot ▁une qu iv oc ally ▁be ▁grouped ▁with ▁either ▁H . ▁hab ilis ▁or ▁H . ▁ere ct us ." ▁ ▁The ▁marked ▁morph ological ▁variation ▁present ▁among ▁these ▁five ▁individuals ▁car ries ▁bro ader ▁imp lications ▁for ▁the ▁range ▁of ▁variation ▁that ▁should ▁be ▁expected ▁in ▁early ▁H omo ▁as ▁a ▁whole . ▁Some ▁research ers ▁have ▁argued ▁that ▁the ▁wide ▁range ▁of ▁simultaneously ▁occurr ing ▁variation ▁in ▁these ▁sk ull s ▁represents ▁the ▁range ▁of ▁variation ▁that ▁can ▁be ▁expected ▁for ▁other ▁early ▁H omo ▁species . ▁In ▁this ▁view , ▁H . ▁erg aster , ▁H . ▁rud olf ensis , ▁and ▁the ▁D man isi ▁sk ull s ▁would ▁be ▁considered ▁ge ographic ▁variants ▁of ▁a ▁single , ▁broad ▁and ▁diverse ▁H . ▁ere ct us ▁species . ▁Mor ph ological ▁changes ▁would ▁occur ▁at ▁the ▁population ▁level ▁within ▁the ▁species , ▁possibly ▁due ▁to ▁ge ographic ▁separation . ▁In ▁this ▁view , ▁African ▁H . ▁erg aster ▁is ▁designated ▁H . ▁ere ct us ▁erg aster ▁and ▁the ▁D man isi ▁spec im ens ▁would ▁be ▁designated ▁H . ▁ere ct us ▁erg aster ▁ge org icus , ▁a ▁ge ographic ▁sub pop ulation . ▁O thers ▁have ▁argued ▁the ▁contrary , ▁stating ▁that ▁the ▁evolution ▁of ▁early ▁H omo ▁was ▁" b ush y " ▁and ▁that ▁the ▁divers ity ▁we ▁see ▁in ▁morph ology ▁better ▁represents ▁how ▁multiple ▁separate ▁H omo