Alphabetical Listing of Families within this Taxa Group:

family     Amphilepididae		T4023445
family     Amphilepidida incertae sedis		T4023748
family     Amphilimnidae		T4023747
family     Amphiuridae		T4010010
family     Asteronychidae		T4009548
family     Astrophiuridae		T4023733
family     Euryalidae		T4023497
family     Gorgonocephalidae		T4023442
family     Hemieuryalidae		T4023512
family     Ophiacanthidae		T4032521
family     Ophiacanthida incertae sedis		T4023745
family     Ophiactidae		T4015803
family     Ophiernidae		T4023746
family     Ophiobyrsidae		T4023735
family     Ophiocamacidae		T4023740
family     Ophiocomidae		T4023456
family     Ophiodermatidae		T4023439
family     Ophiohelidae		T4023720
family     Ophiolepididae		T4023511
family     Ophioleucidae		T4023440
family     Ophiomusaidae		T4023739
family     Ophiomyxidae		T4023446
family     Ophionereididae		T4023441
family     Ophiopezidae		T4023744
family     Ophiopholidae		T4015828
family     Ophiopsilidae		T4023736
family     Ophiopteridae		T4023742
family     Ophiopyrgidae		T4023734
family     Ophioscolecidae		T4009567
family     Ophiosphalmidae		T4023738
family     Ophiothamnidae		T4023750
family     Ophiotomidae		T4023741
family     Ophiotrichidae		T4015804
family     Ophiuridae		T4009662