ver eign ▁states ▁by ▁public ▁deb t ▁ ▁Notes ▁ ▁References ▁ ▁External ▁links ▁Canadian ▁Deb t ▁C lock , ▁by ▁the ▁Canadian ▁Tax pay ers ▁Federation ▁Canadian ▁Govern ments ▁Comp ared ▁ ▁Category : E conom y ▁of ▁Canada <0x0A> </s> ▁A pat odon ▁is ▁a ▁dub ious ▁genus ▁of ▁din osa ur . ▁ ▁When ▁Marsh ▁named ▁it , ▁he ▁thought ▁it ▁was ▁a ▁j aw ▁with ▁a ▁to oth ▁from ▁a ▁Mes oz o ic ▁p ig , ▁but ▁it ▁was ▁soon ▁shown ▁that ▁the ▁spec imen ▁was ▁an ▁er oded ▁verte bra , ▁from ▁a ▁din osa ur ▁possibly ▁from ▁the ▁Mor r ison ▁Form ation ▁of ▁Garden ▁Park , ▁Colorado . ▁ ▁Marsh ▁had ▁mis ident ified ▁the ▁neural ▁sp ine ▁as ▁the ▁to oth ▁of ▁a ▁p ig - like ▁animal ▁( B aur , ▁ 1 8 9 0 ). ▁ ▁The ▁only ▁recovered ▁spec imen ▁is ▁not ▁regarded ▁as ▁sufficient ▁to ▁identify ▁a ▁particular ▁species ▁of ▁din osa ur . ▁However , ▁George ▁O ls he v sky ▁considered ▁A pat odon ▁to ▁be ▁syn onymous ▁with ▁All osa urus ▁frag ilis . ▁The ▁issue ▁is ▁now ▁beyond ▁resolution ; ▁however , ▁as ▁the ▁type ▁b one ▁fragment ▁has ▁been ▁lost . ▁ ▁The ▁name ▁was ▁derived ▁from ▁Greek : ▁α π α τ η ▁(" tr ick ", ▁" de ce it ") ▁and ▁ ο δ ο υ ς ▁( gen itive ▁ ο δ ο ν τ ος ) ▁(" to oth