Of course you can draw the jaw as well, but realize they are two separate bones, not one piece like here! There are plenty of references you can find on the internet, try and find one from this angle.
Maybe like this or this? Both are not real skulls, I bet you can find an even better example :)
Yeah, it's from the sideview.
Dark hole is the right eye socket. Good question on the nose, I'll get rid of it. The Jawline is attached as I wanted to do both the skull and jaw. Much like: https://content.artofmanliness.com/uploads/2012/10/philippe-de-champaigne-vanitas-1671.jpeg
Is this a skull? I can't really tell what angle it is in.. Is the dark hole one his right eye socket? Then why is there a "nose", and why is the jawbone somehow attached?
Thanks man :)
I'll check those out and make the amendments!