I mentioned a couple of things in my initial response.

Apart from that...

It might be worth having three species "of Loup-Garou" - in the sense of three species of controlled, hereditary werewolf - one changing into each of the wolf, dire wolf, and wolfman shapes. The other two could be represented by other folklore names like Vrykolakos (they could be the wolfman-shaped ones, since that's the kind of werewolf we most associate with vampires, and vrykolakos is also used for vampires).