Create Greater Undead

(Player's Handbook v.3.5, p. 215)

Necromancy [Evil]
Level: Cleric 8, Sorcerer 8, Wizard 8, Sha'ir 8, Death Master 8, Dread Necromancer 8, Death 8, Undeath 8,
Components:

This spell functions like create undead, except that you can create more powerful and intelligent sorts of undead: shadows, wraiths, spectres, and devourers (see the Monster Manual for more information on all types of undead).
The type or types of undead you can create is based on your caster level, as shown on the table below.