Alphabetical Listing of Families within this Taxa Group:
family     Ammoniidae T2006310
family     Chapmaninidae T2006953
family     Elphidiellidae T2007009
family     Elphidiidae T2006326
family     Haynesinidae T2007010
family     Miogypsinidae T2006951
family     Notorotaliidae T2006682
family     Pseudorbitoididae T2006952
family     Rotaliidae T2006348