1) Bubble shells 2) Family akeridae 3) Mollusk family 
Akeridae is a small taxonomic family of sea snails, marine gastropod molluscs belonging to the superfamily Akeroidea, the sea hares. The family, in its original spelling `Aceridae`, has previously been attributed in error to Pilsbry, 1893. Akeridae is the only family in the superfamily. ==Genera== The only genus of the family is: ...
[n] - bubble shells
family Akeridae noun bubble shells