Taxonomy of the Gray Wolf
Species: Canis Lupus
The Gray Wolf is closest related to the German Shepherd. The Canidae Family originated from the species Canis Ferox. This was a primitive ancestor of the Gray Wolf that led to the Canis Lepophagus, which is the originating ancestor for the Gray Wolf and all of it's related Canidae Family members.
The Tree below begins on the black highlight of the Canis Lupus.