▁Our an osa urus , ▁El rh az osa urus , ▁and ▁an ▁un named ▁tit an osa ur . ▁It ▁also ▁lived ▁alongside ▁the ▁ther op ods ▁K rypt ops , ▁Such om im us , ▁and ▁E oc arch aria , ▁and ▁a ▁yet - unn amed ▁no as aur id . ▁Cro c ody l omorph s ▁like ▁Sar cos uch us , ▁An atos uch us , ▁Ar ar ipes uch us , ▁and ▁St ol ok ros uch us ▁also ▁lived ▁there . ▁In ▁addition , ▁remains ▁of ▁a ▁p ter osa ur , ▁ch el oni ans , ▁fish , ▁a ▁hy b od ont ▁sh ark , ▁and ▁fresh water ▁b ival ves ▁have ▁been ▁found . ▁Gr ass ▁did ▁not ▁evol ve ▁until ▁the ▁late ▁C ret ace ous . ▁ ▁References ▁ ▁Bibli ography ▁ ▁External ▁links ▁▁ ▁Our an osa urus ▁on ▁Nature ▁ ▁Our an osa urus ▁( with ▁picture ) ▁ ▁Category : I gu an od ont s ▁Category : E ar ly ▁C ret ace ous ▁din osa urs ▁of ▁Africa ▁Category : Al bian ▁life ▁Category : A pt ian ▁life ▁Category : C ret ace ous ▁Niger ▁Category : F oss ils ▁of ▁Niger ▁Category : F oss il ▁tax a ▁described ▁in ▁ 1 9 7 6 ▁Category : T ax a ▁named ▁by ▁Philippe ▁Ta quet <0x0A> </s> ▁John ▁T rem ay ne ▁( 1 8 2 5 – 1 9 0 1 ) ▁was