I thought halberds were in.
http://elderscrolls.com/skyrim/media/screenshots/draugr-swarm/
That looks like a regular axe to me.
Halberds are longer with a spear-like tip -
http://www.medieval-weapon.com/images/european-knights-halberd.jpg
It's not a bardiche or glaive either, those would have a blade that reaches above the shaft, in the pic the blade comes downward from roughly even with the end of the shaft.
Here's a decent pic of the most standard polearms for comparison -
http://www.weapons-universe.com/Swords/Polearms.jpg
I'm actually pretty pleased with the way that axe looks though, much more realistic in it's proportions and size than previous games, but still cool looking