formerly placed in the Order: CEPHALASPIDEA, in the Subclass: OPISTHOBRANCHIA

Class:  Gastropoda  Cuvier, 1797
Subclass:  Heterobranchia  J.E. Gray, 1840
Clade:  Euthyneura Spengel, 1881
Superorder:  Euopisthobranchia  Jörger et al., 2010
Order:  Cephalaspidea  P. Fischer, 1883

Superfamily:  Diaphanoidea  Odhner, 1914
Family:  Diaphanidae  Odhner, 1914

Diaphana minuta