In 2015, a study recovered mDNA from ancient canid specimens which were uncovered on Zhokhov Island as well as Yana river, arctic Siberia. These specimens involved the mandible of the 360,000–four hundred,000 YBP Canis cf. variabilis (wherever cf. is often a Latin phrase indicating unsure). Phylogenetic analyses of such canids unveiled 9 mDNA hap