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Limacina helicina 7.jpg
a free-floating Limacina helicina
Scientific classification edit
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Infraclass: Euthyneura
Clade: Euopisthobranchia
Clade: Thecosomata
Superfamily: Limacinoidea
Gray, 1840

The superfamily Limacinoidea is a taxonomic group of small floating sea snails, pelagic marine opisthobranch gastropod mollusks.[1]


These families previously belonged to the superfamily Cavolinioidea.

Families brought into synonymy
  • Spiratellidae Dall, 1921: synonym of Limacinidae
  • Spirialidae Chenu, 1859: synonym of Limacinidae


  1. ^ Bouchet, P. (2012). Limacinoidea. Accessed through: World Register of Marine Species at on 2012-07-19