Alphabetical Listing of Families within this Taxa Group:
family     Acanthocheilidae T4072123
family     Achromadoridae T4072444
family     Acuariidae T4072129
family     Aegialoalaimidae T4072076
family     Amidostomidae T4072124
family     Anguillicolidae T4072125
family     Anisakidae T4072114
family     Aphanolaimidae T4072772
family     Aphelenchoididae T4072377
family     Aponchiidae T4072071
family     Ascarididae T4072132
family     Axonolaimidae T4072084
family     Bodonematidae T4072445
family     Camacolaimidae T4072623
family     Camallanidae T4072128
family     Ceramonematidae T4072077
family     Chromadoridae T4072063
family     Chronogastridae T4072773
family     Comesomatidae T4072085
family     Coninckiidae T4072086
family     Cucullanidae T4072131
family     Cyartonematidae T4072777
family     Cyatholaimidae T4072064
family     Cystidicolidae T4072126
family     Desmidocercidae T4072133
family     Desmodoridae T4072068
family     Desmoscolecidae T4072074
family     Diplogastridae T4072827
family     Diplopeltidae T4072087
family     Diplopeltoididae T4072774
family     Draconematidae T4072069
family     Epsilonematidae T4072070
family     Ethmolaimidae T4072065
family     Filariidae T4072625
family     Gnathostomatidae T4072135
family     Guyanemidae T4072566
family     Haliplectidae T4072078
family     Heterocheilidae T4072624
family     Leptolaimidae T4072079
family     Linhomoeidae T4072091
family     Meyliidae T4072075
family     Microlaimidae T4072072
family     Monhysteridae T4072088
family     Monoposthiidae T4072073
family     Neotonchidae T4072066
family     Ohridiidae T4072440
family     Onchocercidae T4072134
family     Panagrolaimidae T4072379
family     Paramicrolaimidae T4072080
family     Philometridae T4072137
family     Physalopteridae T4072127
family     Plectidae T4072441
family     Pratylenchidae T4072778
family     Pseudaliidae T4072136
family     Raphidascarididae T4072754
family     Rhabditidae T4072111
family     Rhadinematidae T4072081
family     Selachinematidae T4072067
family     Siphonolaimidae T4072092
family     Sphaerolaimidae T4072089
family     Tarvaiidae T4072082
family     Tetrameridae T4072130
family     Tubolaimoididae T4072083
family     Tylenchidae T4023458
family     Xyalidae T4072090