Eukaryota  >  Metazoa  >  Acanthocephala

Family	Genus	Species
Arhythmacanthidae	2	5
Cavisomatidae	1	2
Cavisomidae	4	12
Centrorhynchidae	2	15
Diplosentidae	1	1
Echinorhynchidae	2	41
Gigantorhynchidae	3	8
Heteracanthocephalidae	1	2
Leptorhynchoididae	8	17
Moniliformidae	1	20
Neoechinorhynchidae	9	119
Oligacanthorhynchidae	6	16
Plagiorhynchidae	2	7
Polyacanthorhynchidae	1	4
Polymorphidae	13	95
Pomphorhynchidae	4	19
Pseudoacanthocephalidae	1	12
Quadrigyridae	2	69
Rhadinorhynchidae	8	39
Tenuisentidae	2	2
Transvenidae	3	7