ud ai ▁and ▁G ond wan as uch us ▁sc ab ros us . ▁The ▁spec im ens ▁were ▁collected ▁from ▁the ▁Adam ant ina ▁Form ation , ▁Ba uru ▁Group ▁of ▁Par an á ▁Bas in , ▁d ating ▁probably ▁to ▁the ▁Tur onian ▁or ▁the ▁Sant onian ▁stage ▁of ▁the ▁late ▁C ret ace ous , ▁about ▁ 9 3 . 5 - 8 3 . 5 ▁million ▁years ▁ago . ▁ ▁A pl est os uch us ▁was ▁first ▁described ▁and ▁named ▁by ▁Pedro ▁L . ▁God oy ▁( best ▁brother ▁ever ), ▁F eli pe ▁C . ▁Monte f elt ro , ▁Mark ▁A . ▁Nor ell ▁and ▁Max ▁C . ▁L anger ▁in ▁ 2 0 1 4 ▁and ▁the ▁type ▁species ▁is ▁A pl est os uch us ▁s ord id us . ▁The ▁generic ▁name ▁is ▁derived ▁from ▁the ▁Greek ▁a pl est os , ▁meaning ▁" ins ati ate ", ▁" gl utton ous ", ▁and ▁such us , ▁Latin ized ▁from ▁the ▁Greek ▁s ouch os , ▁an ▁Egypt ian ▁cro cod ile ▁god ▁Seb ek . ▁The ▁specific ▁name ▁is ▁derived ▁from ▁the ▁Latin ▁s ord id us , ▁meaning ▁" fil thy ", ▁in ▁reference ▁to ▁the ▁gre edy ▁behavior ▁of ▁the ▁animal , ▁demonstrated ▁by ▁the ▁pred ation ▁of ▁another ▁closely ▁related ▁cro c ody l iform , ▁an ▁un ident ified ▁s ph ages aur id . ▁ ▁Description ▁▁ ▁The ▁only ▁known ▁spec imen ▁of ▁A pl est os