| Cymbulioidea | |
|---|---|
| |
| Gleba cordata | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Clade: | Euopisthobranchia |
| Order: | Pteropoda |
| Suborder: | Thecosomata |
| Superfamily: | Cymbulioidea Gray, 1840 |
| Families | |
|
See text | |
| Synonyms[1] | |
|
Pseudothecosomata | |
Cymbulioidea is a taxonomic superfamily of pelagic "sea butterflies", one group of swimming sea snails. They are holoplanktonic opisthobranch gastropod molluscs in the clade Thecosomata.[1]