Kingdom Animalia Superfamily Cavolinioidea | Phylum Mollusca Rank Family | |
Similar Sea butterfly, Heterobranchia, Sea angel | ||
Sphaerocinidae is an extinct taxonomic family of fossil sea snails, sea butterflies, marine opisthobranch gastropod mollusks within the superfamily Cavolinioidea.
References
Sphaerocinidae Wikipedia(Text) CC BY-SA