▁Province , ▁and ▁the ▁Mong ol ian ▁word ▁ba atar , ▁which ▁means ▁" h ero ", ▁a ▁word ▁commonly ▁used ▁as ▁suffix ▁in ▁the ▁names ▁of ▁Asian ▁mult it uber cul ates . ▁The ▁specific ▁name ▁comes ▁from ▁Zh ong y uan , ▁an ▁ancient ▁name ▁for ▁the ▁ge ographic ▁area ▁of ▁the ▁province . ▁▁ ▁Y uba atar ▁is ▁the ▁first ▁known ▁and ▁southern most ▁Late ▁C ret ace ous ▁mult it uber cul ate ▁outside ▁of ▁the ▁Mong ol ian ▁plate au ▁( most ▁mult it uber cul ate ▁spec im ens ▁mainly ▁consist ▁only ▁of ▁teeth ▁and ▁j aws , ▁and ▁are ▁rarely ▁found ▁in ▁eastern ▁Asia ). ▁With ▁a ▁sk ull ▁ 7 ▁cm ▁long , ▁Y uba atar ▁is ▁estimated ▁to ▁have ▁been ▁the ▁size ▁of ▁a ▁black - fo oted ▁fer ret , ▁and ▁was ▁the ▁largest ▁member ▁of ▁the ▁group ▁known ▁from ▁E uras ia ▁( lar ger ▁members ▁are ▁known ▁from ▁North ▁America ). ▁S phen ops alis ▁was ▁similar ▁in ▁size , ▁but ▁most ▁other ▁Mes oz o ic ▁mult it uber cul ates ▁were ▁the ▁size ▁of ▁a ▁sh rew ▁or ▁rat . ▁Y uba atar ▁had ▁a ▁unique ▁feature ▁among ▁mult it uber cul ates ▁in ▁that ▁its ▁last ▁upper ▁prem olar ▁was ▁replaced . ▁The ▁hol ot ype ▁spec imen ▁had ▁a ▁p ala e op ath ology ▁unique ▁among ▁known ▁Mes oz o ic ▁m amm al , ▁a ▁sever ely ▁broken ▁right ▁tib ia ▁b one , ▁which