Philinoidea

Philinoidea
Chelidonura varians
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia clade Euthyneura clade Euopisthobranchia clade Cephalaspidea
Superfamily:	Philinoidea Gray, 1850
Families
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Philinoidea is a taxonomic superfamily of sea slugs, specifically headshield slugs, marine gastropod mollusks in the clade Cephalaspidea.

They are generally small animals, and have no shell or gills. Unlike some related forms, the visceral mass is not sharply set off from the rest of the body.

Families within the superfamily Philinoidea include (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):

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