inct ▁genus ▁of ▁per c iform ▁b ony ▁fish ▁which ▁existed ▁in ▁Russia ▁during ▁the ▁middle ▁E oc ene ▁epo ch ▁( B art onian ▁age ). ▁It ▁is ▁known ▁from ▁the ▁G orn y ▁L uch ▁local ity ▁of ▁northern ▁C au cas us . ▁It ▁was ▁first ▁named ▁by ▁Alexandre ▁F . ▁B ann ik ov , ▁Giorg io ▁Car ne v ale ▁and ▁N . ▁V . ▁Par in ▁in ▁ 2 0 1 1 ▁and ▁the ▁type ▁species ▁is ▁C au cas ich th ys ▁k uma ensis . ▁The ▁generic ▁name ▁comes ▁from ▁C au cas , ▁from ▁C au cas us ▁and ▁ich th ys , ▁fish . ▁The ▁specific ▁name ▁is ▁derived ▁from ▁the ▁K uma ▁Hor izon , ▁where ▁the ▁foss ils ▁were ▁found . ▁ ▁References ▁ ▁Category : Pre histor ic ▁per c iform ▁gener a ▁Category : E oc ene ▁fish ▁Category : F oss il ▁tax a ▁described ▁in ▁ 2 0 1 1 ▁Category : F oss ils ▁of ▁Russia <0x0A> </s> ▁The ▁Iron ▁Tra il ▁is ▁a ▁ 1 9 2 1 ▁American ▁silent ▁advent ure ▁film ▁directed ▁by ▁Roy ▁William ▁Ne ill ▁and ▁written ▁by ▁Dor othy ▁Far num . ▁The ▁film ▁stars ▁Wy nd ham ▁Stand ing , ▁Th ur ston ▁Hall , ▁Regin ald ▁Den ny , ▁Al ma ▁Tell , ▁and ▁Har lan ▁Knight . ▁The ▁film ▁was ▁released ▁on ▁October ▁ 3 0 , ▁ 1 9 2 1 , ▁by ▁United ▁Art ists