Kingdom Animalia Linnaeus, 1758 - animals Phylum Acanthocephala Kohlreuther, 1771 - acanthocephalans see [unranked] Acanthocephala Kohlreuther, 1771 1 Class Palaeacanthocephala (Meyer, 1931) 2 Class Archiacanthocephala (A. Meyer, 1931) 3 Class Eoacanthocephala Van Cleave, 1936