Gastropoda Cuvier, 1795
see Class Gastropoda Cuvier, 1795
Orthogastropoda Ponder & Lindberg, 1995
see Subclass Orthogastropoda Ponder & Lindberg, 1995
Apogastropoda Salvini-Plawen & Haszprunar, 1987
Heterobranchia Burmeister, 1837
see Superorder Heterobranchia Burmeister, 1837
Euthyneura Spengel, 1881
Pleurocoela
see Clade Euopisthobranchia Jörger, Stöger, Kano, Fukuda, Knebelsberger & Schrödl, 2010
Cephalaspidea Fischer, 1883
see Order Cephalaspidea Fischer, 1883
Diaphana minuta (T. Brown, 1837) - arctic paperbubble