
sourolophini

amerikkayilum eshyayilum kaanapedunna sourolophin haadrosoridukalude oru gothramaan sourolophini. ithil "sorolophus" (kaanadayil ninnum mangoliyayil ninnum), "augustinolophus" (amerikkayil ninnu), "prosorolophus" (alberta, canada, mondaana, yuu.ezz.). "kerberosorus", "kundurosoras" ennivayum amgangalaayirikkaam. "arjanteenayil ninnulla hadrosorid aaya "bonapartisorus" ennathum eee gothratthile amgamaanennu thiricharinjittundu.
canada, america, eshya ennividangalil sourolofinukalude fossilukal kandethiyittundu, vadakke american fossilukal eshyayekkaal pazhakkamullathaanu, ithu sourolophinukal bhookhandangalkkullil kudiyeriyathaayi soochippikkunnu.