▁have ▁displayed ▁any ▁characteristics ▁res emb ling ▁its ▁adapt ations ▁to ▁her b iv ory . ▁ ▁Fe atures ▁ ▁General ▁features ▁and ▁size ▁ ▁Ch ima eras uch us ▁is ▁known ▁from ▁one ▁spec imen , ▁a ▁partial ▁ske leton . ▁It ▁was ▁not ▁a ▁particularly ▁large ▁animal , ▁estimated ▁to ▁be ▁around ▁ 1 ▁met re ▁long ▁and ▁not ▁very ▁heavily ▁built . ▁The ▁sk ull ▁would ▁have ▁been ▁short ▁but ▁quite ▁large ▁compared ▁to ▁much ▁of ▁the ▁rest ▁of ▁the ▁body . ▁Its ▁for el im bs ▁were ▁short ▁but ▁had ▁sharp ▁and ▁highly ▁cur ved ▁cla ws . ▁The ▁tail , ▁h ind lim bs , ▁rib c age ▁and ▁most ▁of ▁the ▁verte bra e ▁remain ▁unknown . ▁ ▁Sk ull ▁and ▁mand ible ▁ ▁The ▁sn out ▁is ▁known ▁from ▁a ▁large ▁fragment ▁stretch ing ▁from ▁the ▁tip ▁back ▁to ▁just ▁in ▁front ▁of ▁the ▁orbit . ▁Its ▁ro str um ▁is ▁deep ▁and ▁has ▁a ▁bl unt ▁end , ▁with ▁a ▁slightly ▁expanded ▁tip . ▁It ▁is ▁thought ▁that ▁the ▁sn out ▁reached ▁ 6 5 ▁mm ▁and ▁the ▁entire ▁sk ull ▁was ▁around ▁ 1 3 5 ▁mm ▁long , ▁giving ▁Ch ima eras uch us ▁a ▁very ▁short ▁j aw ▁and ▁mouth ▁compared ▁with ▁other ▁cro c ody l iform s . ▁The ▁external ▁n ares ▁are ▁very ▁large ▁and ▁come ▁together ▁to ▁almost ▁form ▁one ▁large ▁tunnel ▁at ▁the ▁opening . ▁The ▁ant orb ital ▁fen estra ▁is ▁very ▁small ▁and ▁has ▁no