Aplysiida [Anaspidea]
Superfamily: Akeroidea
Family: Akeridae
–No subordinate taxa
Superfamily: Aplysioidea
Family: Aplysiidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Phyllaplysia smaragda | Clark, 1977 | Manatee grass sea hare, Emerald seaslug | 1981 or 1982 | Florida, USA | Extinct | Access |
Statistics
| Conservation status | Number of taxa (in percentage) |
| Extinct | 1 (100%) |
| Missing | 0 |
| Extinct in the Wild | 0 |
| Possibly Extinct in the Wild | 0 |
| Globally Rediscovered | 0 |
| Rediscovered in the Wild | 0 |
| Hypothetical | 0 |
| Invalid | 0 |
| Erroneously listed | 0 |
| Uncertain status | 0 |
| Total | 1 |