Alphabetical Listing of Families within this Taxa Group:
family     Aberrapecidae T4032553
family     Cephalobothriidae T4024967
family     Eniochobothriidae T4027112
family     Lecanicephalidae T4026975
family     Paraberrapecidae T4027113
family     Polypocephalidae T4027026
family     Tetragonocephalidae T4026773
family     Zanobatocestidae T4031378