In 2015, a review recovered mDNA from historic canid specimens which were found out on Zhokhov Island as well as the Yana river, arctic Siberia. These specimens bundled the mandible of a 360,000–400,000 YBP Canis cf. variabilis (wherever cf. is a Latin term meaning unsure). Phylogenetic analyses of such canids uncovered nine mDNA haplotypes not d