or pha ▁( lag omorph s ) ▁ ▁The ▁lag omorph s ▁compr ise ▁two ▁families , ▁Le por idae ▁( h ares ▁and ▁rabb its ), ▁and ▁O ch ot on idae ▁( p ik as ). ▁Though ▁they ▁can ▁res emble ▁rod ents , ▁and ▁were ▁class ified ▁as ▁a ▁super family ▁in ▁that ▁order ▁until ▁the ▁early ▁tw enti eth ▁century , ▁they ▁have ▁since ▁been ▁considered ▁a ▁separate ▁order . ▁They ▁differ ▁from ▁rod ents ▁in ▁a ▁number ▁of ▁physical ▁characteristics , ▁such ▁as ▁having ▁four ▁in cis ors ▁in ▁the ▁upper ▁j aw ▁rather ▁than ▁two . ▁ ▁Family : ▁Le por idae ▁( ra bb its , ▁har es ) ▁Gen us : ▁Le pus ▁ ▁European ▁ha re , ▁Le pus ▁europ ae us ▁L R / l c ▁ ▁Mountain ▁ha re , ▁Le pus ▁tim id us ▁L R / l c ▁ ▁Order : ▁Er in ace om or pha ▁( h edge h ogs ▁and ▁g ymn ures ) ▁ ▁The ▁order ▁Er in ace om or pha ▁contains ▁a ▁single ▁family , ▁Er in ace idae , ▁which ▁compr ise ▁the ▁h edge h ogs ▁and ▁g ymn ures . ▁The ▁h edge h ogs ▁are ▁easily ▁recogn ised ▁by ▁their ▁sp ines ▁while ▁g ymn ures ▁look ▁more ▁like ▁large ▁r ats . ▁ ▁Family : ▁Er in ace idae ▁( h edge h ogs ) ▁Sub family : ▁Er in ace inae ▁Gen us : ▁Er in ace us