Plakobranchidae
| Plakobranchidae | |
|---|---|
| A live individual of Elysia crispata, head end towards the lower right | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Superfamily: | Plakobranchoidea | 
| Family: | Plakobranchidae Gray, 1840 | 
| Synonyms | |
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Plakobranchidae is a family of sea slugs, marine opisthobranch gastropod mollusks in the superfamily Plakobranchoidea. They superficially resemble nudibranchs but they are sacoglossans, members of the clade Sacoglossa within the Opisthobranchia.