Puppy who died 18,000 years ago found perfectly preserved in Siberia
A puppy with his full body remains has left scientists flummoxed
The two-month-old puppy's body is 18,000 years' old
He was near-perfectly preserved in the Siberian permafrost
The puppy has been named Dogor - which means Friend in the local Yakut language
Detailed DNA tests have so far failed to establish its species