Alphabetical Listing of Families within this Taxa Group:

family     Anacanthobatidae		T5013315
family     Arhynchobatidae		T5013332
family     Crurirajidae		T5013333
family     Dasyatidae		T5013305
family     Gymnuridae		T5012897
family     Hexatrygonidae		T5013321
family     Hypnidae		T5015374
family     Myliobatidae		T5012904
family     Narcinidae		T5013314
family     Narkidae		T5013326
family     Plesiobatidae		T5013316
family     Potamotrygonidae		T5013319
family     Pristidae		T5012913
family     Rajidae		T5013306
family     Rhinobatidae		T5012916
family     Torpedinidae		T5012927
family     Urolophidae		T5013317
family     Urotrygonidae		T5013331