▁A . ▁robust us , ▁A . ▁s uther land i , ▁and ▁A . ▁y ork main orum . ▁Origin ally ▁placed ▁with ▁the ▁cur tain ▁web ▁sp iders , ▁it ▁was ▁moved ▁to ▁the ▁H ex ath el idae ▁in ▁ 1 9 8 0 , ▁then ▁to ▁the ▁Australian ▁fun nel - web ▁sp iders ▁in ▁ 2 0 1 8 . ▁ ▁Ph y lo ge ography ▁Ph y lo ge ography ▁can ▁be ▁understood ▁as ▁the ▁historical ▁changes ▁or ▁occurr ences ▁that ▁bring ▁about ▁a ▁change ▁to ▁a ▁specific ▁species ▁or ▁organ ism . ▁After ▁extensive ▁studies , ▁research es ▁have ▁found ▁that ▁there ▁are ▁many ▁ge ographical ▁and ▁gen etic ▁differences ▁that ▁have ▁occurred ▁due ▁to ▁micro - hab itat ▁distributions . ▁The ▁assumption ▁has ▁been ▁made ▁that ▁the ▁species ▁of ▁At ra x ▁have ▁experienced ▁a ▁shift ▁in ▁gen etic ▁structure ▁due ▁to ▁the ▁nich es ▁that ▁they ▁inhab it . ▁Hab itats ▁are ▁not ▁the ▁only ▁factor ▁to ▁this ▁diver gence ; ▁research ers ▁have ▁also ▁noted ▁the ▁clim atic ▁events , ▁pre y ▁avail ability , ▁and ▁natural ▁occurrence ▁of ▁b iod iversity . ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : At rac idae ▁Category : My g alom or pha e ▁gener a ▁Category : Sp iders ▁described ▁in ▁ 1 8 7 7 ▁Category : Sp iders ▁of ▁Australia ▁Category : V en om ous ▁sp iders <0x0A> </s> ▁The ▁Dem ol ition ▁of ▁D h ul - K hal asa