In 2015, a analyze recovered mDNA from historic canid specimens which were found on Zhokhov Island and the Yana river, arctic Siberia. These specimens bundled the mandible of the 360,000–400,000 YBP Canis cf. variabilis (where cf. is really a Latin phrase indicating unsure). Phylogenetic analyses of these canids uncovered 9 mDNA haplotypes not de