Taxonomy
Historically, the trinomial name C. l. lupus was limited to classing wolves of northern and central Europe, though as of 2005, it has grown to encompass numerous different geographical variants which are now considered only synonyms. Comparative studies on the Mitochondrial DNA of various wolf subspecies have shown that the European line of wolves originated over 150,000 years ago, making them around the same age as North American wolves, but significantly younger than Asiatic subspecies.
Read more about this topic: Eurasian Wolf