▁has ▁received ▁many ▁fellow ships ▁and ▁awards , ▁including ▁a ▁National ▁End ow ment ▁for ▁the ▁Arts ▁grant . ▁ ▁References ▁▁ ▁Category : J ew ish ▁activ ists ▁Category : W omen ▁music olog ists ▁Category : L iving ▁people ▁Category : 2 0 th - century ▁American ▁non - f iction ▁writers ▁Category : 2 1 st - century ▁American ▁non - f iction ▁writers ▁Category : American ▁music olog ists ▁Category : American ▁women ▁music olog ists ▁Category : Year ▁of ▁birth ▁missing ▁( l iving ▁people ) <0x0A> </s> ▁At op osa urus ▁is ▁an ▁ext inct ▁genus ▁of ▁cro c ody l omorph . ▁It ▁is ▁the ▁type ▁genus ▁of ▁the ▁family ▁At op osa ur idae . ▁F oss ils ▁have ▁been ▁found ▁that ▁were ▁Late ▁Jur ass ic ▁in ▁age ▁from ▁two ▁distinct ▁species ▁in ▁France ▁and ▁Germany . ▁ ▁One ▁interesting ▁feature ▁of ▁At op osa urus ▁is ▁that ▁it ▁lack ed ▁d ors al ▁sc utes , ▁a ▁common ▁characteristic ▁of ▁at op osa ur ids ▁as ▁well ▁as ▁most ▁cru rot ars ans . ▁The ▁absence ▁of ▁sc utes , ▁along ▁with ▁its ▁relatively ▁small ▁size ▁( spec im ens ▁reach ▁lengths ▁of ▁up ▁to ▁ 1 7   cm ), ▁narrow ▁su pr at empor al ▁foss ae , ▁wide ▁oc cip ital ▁region , ▁thin ▁post orb ital ▁bar , ▁and ▁smooth ▁orn ament ation , ▁has ▁led ▁some ▁pale ont olog ists ▁to ▁believe ▁that ▁it ▁is ▁perhaps ▁a ▁ju