▁b ones , ▁and ▁the ▁tib ia . ▁The ▁pub is ▁of ▁San ju ans aur us , ▁unlike ▁in ▁other ▁her rer as aur ids , ▁points ▁toward ▁the ▁c ran ium . ▁ ▁Dist ingu ishing ▁an atom ical ▁features ▁ ▁A ▁diagn osis ▁is ▁a ▁statement ▁of ▁the ▁an atom ical ▁features ▁of ▁an ▁organ ism ▁( or ▁group ) ▁that ▁collect ively ▁distinguish ▁it ▁from ▁all ▁other ▁organ isms . ▁ ▁Some , ▁but ▁not ▁all , ▁of ▁the ▁features ▁in ▁a ▁diagn osis ▁are ▁also ▁aut ap omorph ies . ▁An ▁aut ap omorph y ▁is ▁a ▁distinct ive ▁an atom ical ▁feature ▁that ▁is ▁unique ▁to ▁a ▁given ▁organ ism ▁or ▁group . ▁ ▁According ▁to ▁Al co ber ▁and ▁Mart ine z ▁( 2 0 1 0 ), ▁San ju ans aur us ▁can ▁be ▁distinguished ▁based ▁on ▁the ▁following ▁characteristics : ▁▁▁ ▁the ▁cer v ical ▁verte bra e ▁have ▁sh elf - like , ▁poster ol ater ally ▁directed ▁trans verse ▁processes ▁ ▁the ▁neural ▁sp ines ▁of ▁the ▁sixth ▁to ▁e ighth ▁d ors al ▁verte bra e , ▁at ▁least , ▁bear ▁ac ute ▁anterior ▁and ▁posterior ▁processes ▁ ▁the ▁g len oid ▁has ▁e vert ed ▁later al ▁marg ins ▁▁ ▁the ▁pub is ▁is ▁relatively ▁short , ▁meas uring ▁ 6 3 % ▁of ▁the ▁length ▁of ▁the ▁fem ur ▁ ▁a ▁pron ounced , ▁rug ose ▁scar ▁is ▁present ▁on ▁the ▁med ial ▁surface ▁of ▁the ▁fem ur ▁at