Encyclopædia Britannica, Ninth Edition/Acanthocephala
For works with similar titles, see Acanthocephala.
Acanthocephala (from ἄκανθα, a thorn, and κεφαλή, the head), a group of parasitic worms, having the heads armed with spines or hooks.
Acanthocephala (from ἄκανθα, a thorn, and κεφαλή, the head), a group of parasitic worms, having the heads armed with spines or hooks.