▁the ▁other , ▁around ▁which ▁the ▁exhib it ' s ▁children ' s ▁trail ▁was ▁cent red . ▁The ▁contents ▁of ▁the ▁exhib it ' s ▁info ▁bo ards ▁were ▁cond ensed ▁into ▁a ▁book ▁sold ▁at ▁the ▁hall ' s ▁gift ▁shop . ▁A ▁lot ▁of ▁input ▁was ▁ ▁Ext ension ▁The ▁exhibition ▁had ▁a ▁small ▁section ▁in ▁a ▁Not ting ham ▁museum ▁about ▁how ▁din osa urs ▁were ▁drawn ▁through ▁the ▁ages , ▁showing ▁how ▁the ▁illustr ations ▁changed ▁with ▁discover ies . ▁It ▁included ▁some ▁answers ▁to ▁the ▁children ' s ▁trail ▁and ▁a ▁ske leton ▁of ▁the ▁din osa ur ▁D il oph osa urus . ▁A ▁lot ▁of ▁mentions ▁were ▁made ▁to ▁the ▁Jur ass ic ▁Park ▁film ▁series . ▁ ▁References ▁ ▁Category : D in osa ur ▁museum s <0x0A> </s> ▁Pseud oc ent rot us ▁de press us , ▁commonly ▁known ▁as ▁the ▁p ink ▁sea ▁ur chin , ▁is ▁a ▁species ▁of ▁sea ▁ur chin , ▁one ▁of ▁only ▁two ▁species ▁in ▁the ▁genus ▁Pseud oc ent rot us . ▁It ▁was ▁first ▁described ▁in ▁ 1 8 6 4 ▁by ▁the ▁American ▁ ▁marine ▁zo ologist ▁Alexander ▁Ag ass iz ▁as ▁To x oc id aris ▁de press us , ▁having ▁been ▁collected ▁during ▁the ▁North ▁Pacific ▁Ex pl oring ▁and ▁Sur ve ying ▁Ex ped ition ▁undert aken ▁by ▁Captain ▁Cad wal ader ▁Ring g old ▁and ▁later ▁Captain ▁John ▁Rod gers . ▁ ▁Description ▁This ▁sea ▁ur chin ▁is ▁distinct ive