▁by ▁My hr v old ▁( 2 0 1 3 ). ▁ ▁A ▁study ▁on ▁an ▁assemb lage ▁of ▁spec im ens ▁of ▁An iks osa urus ▁dar w ini ▁from ▁the ▁Upper ▁C ret ace ous ▁B ajo ▁Bar real ▁Form ation ▁( Ar gent ina ) ▁evalu ating ▁whether ▁the ▁assemb lage ▁is ▁truly ▁mon os pec ific ▁and ▁whether ▁or ▁not ▁all ▁the ▁individuals ▁died ▁at ▁the ▁same ▁time ▁based ▁on ▁t aph onom ic ▁data , ▁is ▁published ▁by ▁I bir ic u ▁et ▁al . ▁( 2 0 1 3 ). ▁ ▁Red es cription ▁of ▁L us ot itan ▁at al ai ensis ▁and ▁a ▁study ▁on ▁the ▁ph y log en etic ▁relationships ▁of ▁bas al ▁tit an osa ur iform ▁sau rop ods ▁is ▁published ▁by ▁Mann ion ▁et ▁al . ▁( 2 0 1 3 ). ▁ ▁A ▁review ▁of ▁all ▁foss il ▁spec im ens ▁referred ▁to ▁Eu op lo ce phal us ▁tut us , ▁as ▁well ▁as ▁spec im ens ▁that ▁were ▁previously ▁referred ▁to ▁Eu op lo ce phal us ▁but ▁subsequently ▁were ▁assigned ▁to ▁different ▁gener a , ▁is ▁published ▁by ▁Ar bour ▁& ▁C urr ie ▁( 2 0 1 3 ). ▁ ▁New ▁tax a ▁ ▁Bird s ▁ ▁Research ▁ ▁Ele uther orn is ▁is ▁re - ex am ined ▁and ▁class ified ▁as ▁a ▁member ▁of ▁Ph or usr h ac idae ▁by ▁Ang st ▁et ▁al . ▁( 2 0 1 3 ). ▁