Akeridae

Akera is a marine genus of sea hare in the family Akeridae, known from the late Callovian (Jurassic) to the recent periods.

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.