▁mars up ial ▁that ▁lived ▁during ▁the ▁late ▁Mi oc ene ▁and ▁has ▁been ▁found ▁at ▁the ▁Al co ota ▁scientific ▁reserve ▁in ▁the ▁Northern ▁Territ ory . ▁ ▁The ▁specific ▁name ▁hon ors ▁Karl ▁Roth ▁for ▁his ▁contributions ▁to ▁the ▁natural ▁history ▁of ▁central ▁Australia . ▁ ▁T . ▁ro th i ▁is ▁known ▁from ▁a ▁hol ot ype ▁left ▁max ill ary ▁fragment ▁and ▁was ▁re ass emble d ▁from ▁a ▁concentration ▁of ▁small ▁b one ▁and ▁to oth ▁fragments . ▁Most ▁of ▁the ▁fragments ▁exhib it ▁chemical ▁er os ion ▁and ▁have ▁a ▁layer ▁of ▁cal cite . ▁ ▁Tax onomy ▁ ▁The ▁description ▁of ▁a ▁new ▁species ▁and ▁genus ▁was ▁published ▁in ▁ 2 0 0 0 , ▁the ▁results ▁of ▁exam ination ▁of ▁foss il ▁material ▁discovered ▁at ▁the ▁" B last ▁Site ", ▁associated ▁with ▁the ▁Bul lock ▁Creek ▁foss il ▁b eds ▁in ▁the ▁Northern ▁Territ ory . ▁The ▁describing ▁authors , ▁Peter ▁F . ▁Murray ▁and ▁D irk ▁Meg i rian , ▁assigned ▁the ▁name ▁Ty arr pec inus ▁to ▁the ▁new ▁thy lac in id ▁genus , ▁combining ▁the ▁An cient ▁Greek ▁k yn os , ▁all ud ing ▁to ▁the ▁can id ▁family ▁of ▁dogs ▁and ▁wol ves , ▁and ▁ty arr pa ▁from ▁the ▁Arr ente ▁language ▁for ▁" c rack ed ", ▁all ud ing ▁to ▁the ▁condition ▁of ▁the ▁hol ot ype . ▁The ▁foss il ▁material ▁described ▁by ▁the ▁authors ▁was ▁a ▁left ▁max illa , ▁and ▁remains ▁of