. ▁Instead ▁it ▁suggested ▁they ▁had ▁fallen ▁pre y ▁to ▁a ▁random ▁event ▁which ▁no ▁large ▁animal ▁could ▁have ▁surv ived . ▁ ▁Cultural ▁impact s ▁▁ ▁Bak ker ' s ▁non - techn ical ▁articles ▁and ▁books , ▁particularly ▁The ▁Din osa ur ▁Her es ies , ▁have ▁contributed ▁significantly ▁to ▁the ▁popular ization ▁of ▁din osa ur ▁science . ▁ ▁The ▁ 1 9 8 8 ▁film ▁The ▁Land ▁Before ▁Time ▁was ▁one ▁of ▁the ▁first ▁c int ematic ▁port ray als ▁of ▁ther op ods ▁in ▁the ▁correct ▁horizontal ▁pose , ▁although ▁the ▁tri pod ▁pose ▁was ▁used ▁more ▁often . ▁ ▁The ▁ 1 9 9 3 ▁film ▁version ▁of ▁Jur ass ic ▁Park ▁was ▁perhaps ▁the ▁most ▁significant ▁event ▁in ▁raising ▁public ▁aw aren ess ▁of ▁din osa ur ▁r ena issance ▁theories . ▁For ▁the ▁first ▁time ▁in ▁a ▁major ▁film , ▁din osa urs ▁were ▁port rayed ▁as ▁intellig ent , ▁ag ile , ▁warm - blo oded ▁animals , ▁rather ▁than ▁l umber ing ▁mon sters ▁more ▁common ▁to ▁older ▁films . ▁Jack ▁Hor ner ▁was ▁a ▁consult ant , ▁and ▁the ▁art work ▁of ▁Gregory ▁Paul , ▁Mark ▁Halle tt , ▁Doug ▁Hend erson , ▁and ▁John ▁G ur che ▁were ▁used ▁in ▁pre - production . ▁While ▁the ▁din osa urs ▁eventually ▁shown ▁in ▁the ▁films ▁had ▁various ▁an atom ical ▁in acc ura cies , ▁all ▁four ▁of ▁these ▁artists ▁are ▁in ▁the ▁on - screen ▁cred its ▁as ▁" D in