Dracula ants possess fastest known animal appendage: The snap-jaw
(PHYSorg.com Biology)

Move over, trap-jaw ants and mantis shrimp: There`s a faster appendage in town. According to a new study, the Dracula ant, Mystrium camillae, can snap its mandibles at speeds of up to 90 meters per second (more than 200 mph), making it the fastest animal movement on record.