▁trans sex ual ▁artists ▁Category : 1 9 0 2 ▁birth s ▁Category : 1 9 8 3 ▁death s <0x0A> </s> ▁Sau rop oda ▁( ▁or ▁), ▁or ▁the ▁sau rop ods ▁( ; ▁sau ro - ▁+ ▁- pod , ▁" l izard - fo oted "), ▁are ▁a ▁cla de ▁of ▁sa ur isch ian ▁(" l izard - hi pped ") ▁din osa urs . ▁They ▁had ▁very ▁long ▁ne cks , ▁long ▁t ails , ▁small ▁heads ▁( relative ▁to ▁the ▁rest ▁of ▁their ▁body ), ▁and ▁four ▁thick , ▁pill ar - like ▁legs . ▁They ▁are ▁notable ▁for ▁the ▁enorm ous ▁sizes ▁att ained ▁by ▁some ▁species , ▁and ▁the ▁group ▁includes ▁the ▁largest ▁animals ▁to ▁have ▁ever ▁lived ▁on ▁land . ▁Well - known ▁gener a ▁include ▁Bra ch ios aur us , ▁Di pl od ocus , ▁A pat osa urus , ▁Br ont osa urus , ▁and ▁M amen ch is aur us . ▁ ▁The ▁oldest ▁known ▁une qu iv ocal ▁sau rop od ▁din osa urs ▁are ▁known ▁from ▁the ▁Early ▁Jur ass ic . ▁Is an osa urus ▁and ▁Ant eton it rus ▁were ▁originally ▁described ▁as ▁Tri ass ic ▁sau rop ods , ▁but ▁their ▁age , ▁and ▁in ▁the ▁case ▁of ▁Ant eton it rus ▁also ▁its ▁sau rop od ▁status , ▁were ▁subsequently ▁question ed . ▁Sau rop od - like ▁sau rop od omorph ▁tracks ▁from ▁the ▁F lem ing ▁F j ord ▁Form ation ▁(