Bubble snails(Aplustridae)
Headshield slugs(Cephalaspidea)
Land snails(Stylommatophora)
Nerites(Neritidae)
Nudibranchs(Nudibranchia)
Ramshorn snails(Planorbidae)
Sea angels(Gymnosomata)
Sea hares(Anaspidea)
Shelled marine molluscs(Caenogastropoda)
Side-gilled sea slugs(Pleurobranchida)
Slit shells & top shells(Vetigastropoda)
Solar-powered sea slugs(Sacoglossa)
Systellommatophoran slugs(Systellommatophora)