▁a ▁manage able ▁height . ▁Ta quet ▁assumed ▁that ▁with ▁Our an osa urus ▁this ▁function ▁had ▁been ▁lost ▁because ▁the ▁fifth ▁met ac arp al , ▁reduced ▁to ▁a ▁sp ur , ▁could ▁no ▁longer ▁be ▁directed ▁side ways . ▁ ▁The ▁h ind lim bs ▁were ▁large ▁and ▁robust ▁to ▁accommod ate ▁the ▁weight ▁of ▁the ▁body ▁and ▁strong ▁enough ▁to ▁allow ▁a ▁b ip ed al ▁walk . ▁The ▁fem ur ▁was ▁slightly ▁longer ▁than ▁the ▁tib ia . ▁This ▁may ▁indicate ▁that ▁the ▁legs ▁were ▁used ▁as ▁pill ars , ▁and ▁not ▁for ▁s print ing . ▁Ta quet ▁concluded ▁that ▁Our an osa urus ▁was ▁not ▁a ▁good ▁runner ▁because ▁the ▁fourth ▁tro chan ter , ▁the ▁attachment ▁point ▁for ▁the ▁large ▁ret ractor ▁mus cles ▁connected ▁to ▁the ▁tail ▁base , ▁was ▁weak ly ▁developed . ▁The ▁foot ▁was ▁narrow ▁with ▁only ▁three ▁to es ▁and ▁relatively ▁long . ▁ ▁In ▁the ▁pel vis , ▁the ▁pre pub is ▁was ▁very ▁large , ▁rounded ▁and ▁directed ▁ob liqu ely ▁up wards . ▁ ▁Classification ▁Ta quet ▁originally ▁assigned ▁Our an osa urus ▁to ▁the ▁I gu an od ont idae , ▁within ▁the ▁larger ▁I gu an od ont ia . ▁However , ▁although ▁it ▁shares ▁some ▁similar ities ▁with ▁I gu an odon ▁( such ▁as ▁a ▁thumb ▁sp ike ), ▁Our an osa urus ▁is ▁no ▁longer ▁usually ▁placed ▁in ▁the ▁ igu an od ont id ▁family , ▁a ▁grouping ▁that ▁is ▁now ▁generally