Alphabetical Listing of Families within this Taxa Group:

family     Dasyatidae		T5013305
family     Gymnuridae		T5012897
family     Hexatrygonidae		T5013321
family     Myliobatidae		T5012904
family     Plesiobatidae		T5013316
family     Potamotrygonidae		T5013319
family     Urolophidae		T5013317
family     Urotrygonidae		T5013331