Classification
Mollusca [phylum]Gastropoda [classis]
Caenogastropoda [subclassis]
[unassigned] Caenogastropoda [ordo]
Triphoroidea [superfamilia]
Newtoniellidae [familia]
Familia Newtoniellidae contains the following taxa:
Adelacerithiinae [subfamilia]
Laeocochlidinae [subfamilia]
Newtoniellinae [subfamilia]