Skull

Regular skull
Used in one Atronach Forge Recipe.

Locations

 * In crypts, tombs and wherever there are necromancers
 * 4 in the remains of Lord Tusk

Carved skull
This skull is only found in the DLC.

Locations

 * Kolbjorn Barrow

Trivia

 * Artist and modeler Jonah Lobe designed the skull with thick, sloping brows & big jaws/teeth. He didn't want them looking "pale and delicate", but instead to look like "heavy neanderthals".
 * The skull became the subject of a meme called "The Skeleton Appears"