Diacavolinia longirostris
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order: Thecosomata
- family: Cavoliniidae
- genus: Diacavolinia
- species: Diacavolinia longirostris
- Aruba
Arraial do Cabo
Rio de Janeiro
Brazil
Diacavolinia longirostris Arraial do Cabo
Angochi