Ringiculidae are a family of small deep water sea snails, marine gastropod mollusks or micromollusks in the informal group Lower Heterobranchia.

[1] Ringiculidae is the only family within the superfamily Ringiculoidea.

The shells of species in this family superficially resemble minute versions of the shells of the Cassinae.

Genera in the family Ringiculidae include:[2][3]