poss ibly ▁D rypt osa urus ), ▁and ▁an ▁un ident ified ▁le pt oc er at ops id ▁( the ▁first ▁cer at ops ian ▁known ▁from ▁the ▁East ▁Coast ). ▁ ▁M embers ▁of ▁North ▁Carolina ' s ▁C ret ace ous ▁fl ora ▁have ▁also ▁been ▁preserved ▁as ▁foss ils . ▁Some ▁of ▁the ▁local ▁C ret ace ous ▁trees ▁were ▁preserved ▁as ▁pet r ified ▁wood . ▁One ▁pet r ified ▁log ▁from ▁the ▁C ret ace ous ▁period ▁preserved ▁in ▁a ▁small ▁C umber land ▁County ▁cre ek ▁we igh s ▁hundreds ▁to ▁thousands ▁of ▁pounds . ▁The ▁log ▁is ▁still ▁partially ▁conce aled ▁by ▁rock ▁but ▁several ▁feet ▁of ▁the ▁two ▁diameter ▁log ▁j uts ▁out ▁across ▁the ▁cre ek . ▁M oll us ks ▁were ▁abund ant ▁in ▁C ret ace ous ▁North ▁Carolina . ▁C ret ace ous ▁m oll us ks ▁are ▁known ▁in ▁a ▁variety ▁of ▁locations ▁across ▁the ▁state . ▁The ▁Late ▁C ret ace ous ▁Pe ede e ▁b eds ▁are ▁known ▁for ▁their ▁be lem n ites ▁and ▁other ▁m oll us ks . ▁ ▁Pale ogene ▁Sea ▁levels ▁also ▁rose ▁and ▁fell ▁during ▁the ▁en su ing ▁Pale ogene ▁period ▁of ▁the ▁C en oz o ic ▁era . ▁In hab itants ▁of ▁the ▁sea ▁would ▁sometimes ▁foss il ize ▁in ▁the ▁state . ▁ ▁Pale oc ene ▁ ▁During ▁the ▁Pale oc ene ▁epo ch , ▁the ▁se as ▁re ced ed , ▁and ▁thus ▁there ▁are ▁very