Detach( Savage Species, p. 32)
You can remove a part of your body and use it as a ranged weapon.
CON 19, regeneration,
As an attack action, you can detach a portion of your body that can make a melee attack other than a bite (such as a paw, tail, or tentacle) and use it as a thrown weapon (range increment 20 feet). The thrown member deals its base damage plus your Strength bonus (not 1 1/2 times your Strength bonus). Special attacks that deal damage, such as poison and acid, take effect normally from the thrown member. Ability damage, ability drain, and energy drain attacks cannot be made with the detached body part.
Tearing off a piece of yourself is traumatic. You take subdual damage equal to one-quarter of your full normal hit point total. Damage reduction cannot reduce the amount of damage taken in this way