Alphabetical Listing of Families within this Taxa Group:

family     Bathybelidae		T4072522
family     Eukrohniidae		T4002270
family     Heterokrohniidae		T4003518
family     Krohnittidae		T4002271
family     Pterosagittidae		T4002272
family     Sagittidae		T4002269
family     Spadellidae		T4003314