Turn Cannon

Turn Cannon (ターンキャノン) is, simply put, the Screw Bomber of Mega Man X. Mostly they appear on the ceilings or floors, but in some stages, they'll be on the flying platforms.

Lift Cannon
Lift Cannon (リフトキャノン) is a Turn Cannon from Storm Eagle's stage from Mega Man X that appears on top of an elevating platform that goes up and down as the cannon turns, similar to a screw.

Similar enemies
Enemies similar to the Turn Cannons.
 * Screw Bomber