....extinct species of wolf called Canis tomarctus (apparently). Anyway, dog breeds are not species or sub-species. They are simply the results of selected breeding, like the different goldfish types.
:All dogs are descendants from previous breeds and if accepted by certain factions...are now viewed at a pure breeds. Some are recognized by the KC and not the AKC. The good point here is that just because it is accepted by a group does that mean it's ok?