which phylum is acanthocephala in?
<answer> Acanthocephala is in the “thorny-headed worms,” or “spiny-headed worms" phylum. <context> The phylum Acanthocephala consists of the “thorny-headed worms,” or “spiny-headed worms.” With regard to number of acanthocephalan parasites that infect domesticated animals, the phylum Acanthocephala is very small.