| Sphaerocinidae | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| (unranked): | clade Heterobranchia clade Euthyneura clade Euopisthobranchia clade Thecosomata |
| Superfamily: | Cavolinioidea |
| Family: |
Sphaerocinidae A. Janssen & Maxwell, 1995 |
Sphaerocinidae is an extinct taxonomic family of fossil sea snails, sea butterflies, marine opisthobranch gastropod mollusks within the superfamily Cavolinioidea.