犬科的4个属（犬属、豺属、狐属、貉属）可分为3个进化地位平等的分支，进化时间估算貉属最先从犬科中分化出来。
The four genera in Canidae were divided into three clades with an equal phylogenetic position . From the estimates of divergence time of canine animals we found that the genus Nyctereutes splited first .
貉属