Berthella
| Berthella | |
|---|---|
| A live individual of Berthella martensi, with the lateral gill obvious. | |
| A live individual of Berthella ornata, in situ, head end towards the upper right, but head retracted due to partial exposure to the air at low tide | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Pleurobranchida |
| Family: | Pleurobranchidae |
| Genus: | Berthella Blainville, 1824 |
| Species | |
|
35 species (see text) | |
Berthella is a genus of sea slugs, marine gastropod mollusks in the family Pleurobranchidae.