. ▁The ▁tall ▁pre max illa ▁( front most ▁upper ▁j aw ▁b one ), ▁which ▁made ▁the ▁tip ▁of ▁the ▁sn out ▁very ▁bl unt , ▁was ▁also ▁typical ▁of ▁the ▁family . ▁However , ▁the ▁sk ull ▁of ▁Maj ung as aur us ▁was ▁marked ly ▁wider ▁than ▁in ▁other ▁ab el is aur ids . ▁All ▁ab el is aur ids ▁had ▁a ▁rough , ▁sculpt ured ▁texture ▁on ▁the ▁outside ▁faces ▁of ▁the ▁sk ull ▁b ones , ▁and ▁Maj ung as aur us ▁was ▁no ▁exception . ▁This ▁was ▁carried ▁to ▁an ▁extreme ▁on ▁the ▁nas al ▁b ones ▁of ▁Maj ung as aur us , ▁which ▁were ▁extremely ▁thick ▁and ▁f used ▁together , ▁with ▁a ▁low ▁central ▁r idge ▁running ▁along ▁the ▁half ▁of ▁the ▁b one ▁closest ▁to ▁the ▁nost r ils . ▁A ▁distinct ive ▁d ome - like ▁horn ▁pro tr ud ed ▁from ▁the ▁f used ▁front al ▁b ones ▁on ▁top ▁of ▁the ▁sk ull ▁as ▁well . ▁In ▁life , ▁these ▁structures ▁would ▁have ▁been ▁covered ▁with ▁some ▁sort ▁of ▁inte g ument , ▁possibly ▁made ▁of ▁ker atin . ▁Comput ed ▁tom ography ▁( CT ▁sc anning ) ▁of ▁the ▁sk ull ▁shows ▁that ▁both ▁the ▁nas al ▁structure ▁and ▁the ▁front al ▁horn ▁contained ▁h ollow ▁sin us ▁cav ities , ▁perhaps ▁to ▁reduce ▁weight . ▁The ▁teeth ▁were ▁typical ▁of ▁ab el is aur ids ▁in ▁having ▁short ▁crow ns , ▁although ▁Maj ung as aur us