▁non - din osa ur ian ▁Pseud os uch ia . ▁It ▁has ▁since ▁then ▁usually ▁been ▁considered ▁a ▁ther op od ▁din osa ur , ▁with ▁some ▁exceptions . ▁ ▁In ▁ 1 9 9 2 ▁Paul ▁Ser eno ▁and ▁Ru pert ▁Wild ▁stated ▁that ▁the ▁hol ot ype ▁spec imen ▁consisted ▁of ▁foss ils ▁from ▁two ▁separate ▁animals : ▁the ▁post c ran ial ▁ske leton ▁would ▁be ▁a ▁ther op od , ▁likely ▁a ▁co el oph y so id ▁related ▁to ▁Seg is aur us , ▁but ▁the ▁sk ull ▁and ▁the ▁von ▁Hu ene ▁spec im ens ▁they ▁referred ▁to ▁the ▁bas al ▁cro c ody l omorph ▁Salt op os uch us ▁connect ens . ▁However , ▁in ▁ 1 9 9 3 ▁Sank ar ▁Ch atter je e ▁after ▁further ▁prepar ation ▁ref uted ▁their ▁assess ment ▁and ▁regarded ▁the ▁sk ull ▁as ▁that ▁of ▁a ▁ther op od ▁similar ▁to ▁S ynt ars us , ▁and ▁demonstrated ▁that ▁it ▁could ▁not ▁have ▁been ▁a ▁cro c ody l omorph , ▁as ▁it ▁la cks ▁the ▁land mark ▁features ▁of ▁this ▁group . ▁Ser eno ▁( 1 9 9 7 ) ▁and ▁Ez cur ra ▁and ▁Nov as ▁( 2 0 0 7 ) ▁conducted ▁ph y log en etic ▁analysis ▁that ▁supported ▁the ▁pla cement ▁of ▁Pro com ps ogn ath us ▁in ▁the ▁tax on ▁Co el oph ys idae . ▁ ▁This ▁genus ▁may ▁be ▁most ▁closely ▁related ▁to ▁Seg is aur us